(1936–`69 cases).
Contents
1. Figures Ifstockgearcoveris used it must be correct design for year group 1970 72 style cover could interfere with circulation ifused with 1973 and laterend oiling pinion shaft Venting crankcase pressure out hole See Picture 6 requires 1973 92 style gear cover Operating engine with hole open and 1993 up style gearcover will cause large losses out crankcase 1973 92 style gear cover must be used if crankcase pressure is vented directly out crankcase rather than through cylinder heads as in 1993 up style big twin S amp S recommends venting out hole in crankcase AND cylinder heads if 1992 gear cover and 1993 up rocker arm covers are available S amp S supplies all long blocks with correct gearcover for dual vent arrangement 585 rocker covers are compatible with cylinder head venting if umbrella valves are installed correctly See S amp S Rocker Cover Instructions 51 1051 If only cylinder head venting is used hole Picture 6 must be plugged CAUTION Gearcover misalignment with crankcase alignment dowels pinion shaft and or camshaft may cause abnormal stresses resulting in shaft breakage and other engine damage not covered under warranty Incorrect passage machining in gear cover may cause low oil pressure resulting in extensive engine damage not covered under warranty Attempting to use 1993 up stock gearcover on engine with direct crankcase venting will result in large l2. nao Cras en ping ero ah nams Coes ing SB seams Ps nen Cylinder stud Bpad E Altemator 1970 199 and Alt Gen Cases Age Sud nma Screw HHCS 18x 38 50 0117 Position 7 HHCS u 24x 5 seams ane at asss Spud Sa KS W seams E somes Inc somn sonn rane a Nut hex 24 zinc 0 47833 50 5023 Nut hex e 24 chrome each 50 5029 5 106 4749 ase i i ara cor Hardware fs so manuacued ater 64 08 106 4904 ome 1064905 dnc ad Ome wana nc aed 106 4908 1064909 ug tminghole bap Manufactured before 5 1 2000 eter itd baie pipe male female 312021 Pon Sipe Wea 50 1015 fing pita cas asso ae rhe penser nee Plog SH pipe 4 18 1965 69 S amp S BT 106 1175 Fn pee 1970 up S amp S BT 0 2358 266 each 50 8022 ae Screw SHC 10 24x 1 Stator N S reec
3. Cylinder Stud Figures CAUTION Forcing cylinder over stud collar will cause distortion possibly resulting in out of round cylinder bore Stress created by forcing cylinder over stud may also cause cracking of cylinder cast in iron cylinder liner and or damage failure of other engine components Failure of cylinders pistons and or other engine components due to cracked cylinder may result in personal injury and or loss of control of motorcycle C correct fit of early Sidewinder cylinder on late stud perform following steps See Figure 4 1 Place cylinder on table of drill press or milling machine with base gasket surface up 2 Tighten drill bit in chuck and center stud hole of cylinder under drill bit 3 Clamp cylinder securely in position 4 Remove and install or 4s drill bit in chuck Set drill press stop so drill bit will enlarge stud hole 100 to 110 deep below base gasket surface of cylinder 5 Carefully counter bore hole approximately 100 deep Use fairly low rpm and slow feed rate to avoid catching drill bit and damaging cylinder 6 Repeat for remaining stud holes 7 Thoroughly clean all chips and foreign material from cylinder stud holes and oil passages Cylinder Crankease Stud Collar Stud Figured Metal filings d
4. INTRODUCTION Installation of S amp S Super Stock crankcases for big twin engines is easy and can be performed by any v twin repair shop equipped to do complete engine overhauls No special tools other than those used in normal engine building operations are required 585 Special Application big twin crankcases can be ordered for heavy duty street or race applications Special Application crankcases ordered for street engines are very similar to Super Stock cases and will be supplied with the same type of hardware Special Application crankcases for racing engines special order parts machined to customer specifications so hardware and installation requirements may vary If Special Application cases are ordered without alternator cut out for racing the alternator cut out cannot be machined afterward Flywheel assemblies for S amp S Special Application crankcases must have a special S amp S pinion shaft which is 250 longer than stock NOTE S amp S crankcases are sold in matched sets only Individual case halves are not available KIT CONTENTS set of 585 Super Stock crankcases with following parts installed Left and right main bearing races right race is final honed and size is marked on tag wired to cases 31 4008 bushing oil pump drive shaft bushing is reamed 31 4009 bearing assembly cam needle 8 studs cylinder studs installed are appropriate part for type of cases ordered 31 2006 plug
5. 2 Connecting rods S amp S crankcases feature adequate clearance for most brands of heavy duty connecting rods reference to Harley Davidson part numbers is for identification purposes only We in no way are implying that any of 585 Cycles products are original equipment parts or that they are equivalent to the corresponding Harley Davidson part number shown NoTes Itisimportant to confirm flywheel diameter is correct for crankcases Flywheels that are too large will not fit in crankcases Flywheels that are too small will eave too large between flywheels and scraper resulting in poor oll scavenging and possible oil consumption problems If fywheel diameter is smaller than diameter crankcases were machined for scraper should be built up to provide proper clearance at rim of flywheels Clearances between crankpin nut case and connecting rods case must be checked by engine builder during assembly Engine damage resulting from improper clearances isnot covered under warranty CAUTION Abnormal contact between moving engine components due to improper clearances may cause premature wear damage or failure of these parts or other components E Camshaft 1948 and later S amp S cases have sufficient clearance for lift up to 631 with 1 000 base circle camshaft If cam with greater lift is to be used clearance between rear cam lobe and pinion shaft bearing race must be checked and adjusted if necessary A
6. SHS 10 24 x He POLISHING PAINTING PLATING OR POWDERCOATING S amp S CASES 585 Cycle cautions against modifying these crankcases due to the possibility of damaging or weakening them Modifying S amp S crankcases in any fashion voids all manufacturer warranties Should the customer elect to modify the crankcases regardless it is imperative that the crankcases and the information tag attached to them be inspected beforehand to confirm that the correct model style year group bore size flywheel diameter oil pump mounting bolt hole pattern etc have been provided The customer must confirm that crankcases and related parts are correct before assembling them or having them modified in manner and assumes all liability for modifications The customer must also verify that the serial numbers on the crankcase and attached information tag correspond with those on the certificate of origin and packing carton Note that all 4 engines require Special Application crankcases which may be identified by the letters SA cast into the left crankcase below the serial numbers and into the right crankcase immediately ahead of the front lifter guide opening Under no circumstance will S amp S be held responsible for expenses related to the modification of any S amp S part in the event warranty service is required Modified parts will not be accepted for credit or exchange This will apply regardless of cause or fault customer retailer
7. 1 7513 585 31 4017 585 31 4018 5005 10 5009 H D 24628 87 24643 87 H D 24628 87 Blue White White 1 7509 to 1 7511 585 31 4018 S amp S 31 4005 5007465011 515214005 H D 24643 87 24626 87 H D 24626 87 White Green Blue 1 7507 to1 7509 585 31 4005 585 31 4016 5009 to 5013 5431 4018 H D 24626 87 H D 24628 87 H D 24643 87 Chart Red 5011 00 5015 585 31 4017 H D 24641 87 Chart EXAMPLE Pinion bearing race inside diameter is 1 7510 Pinion shaft bearing surface diameter is 1 2499 1 7510 minus 1 2499 is 5011 Difference of 5011 spits 5009 5013 range in third row exactly Corresponding BLUE color code in right column should be used Notice that 5011 fits in several range groups Try to select group where difference falls closest to middle of range Ifyou are not sure select color that corresponds with group closer to top of chart This will provide slightly looser bearing fit and help prevent bearing seizure Selecting next color up on chart may also be done if looser fit is desired for competition applications D Stroker flywheels and connecting rods 1 Flywheels S amp S crankcases feature adequate flywheel crankpin nut to case clearance for strokes up to and including 5 Recommended clearance between flywheels and scraper is 008 010 Stock diameter flywheels are 8 5 standard small diameter flywheels 81 585 crankcases can be ordered machined for either or specially machined for as small as 8 diameter
8. 20 x 11 S amp S 50 0008 Washers supplied S amp S 50 7020 15 3 Installation a Thoroughly clean all parts b Prior to flywheel installation slip gearcover over alignment dowel pins in crankcase Cover must not be forced resistance is encountered determine cause and correct Remove caver After flywheels and cases have been assembled but before pinion gear and cam installed reinstall gear cover to check fit over pinion shaft Remove cover Install pinion gear and camshaft and repeat step 3 By fitting gear cover in stages itis easier to pinpoint source and correct alignment problems Generator Alternator 1 Generator right case equipped crankcases S amp S generator style crankcases are machined for late style generators that use mounting screws and 1 800 dia centering boss behind gear Crankcases not designed for early generators with 1 screws and cradle strap mounting arrangement 2 Alternator left case equipped crankcases Latest 585 alternator style crankcases are machined to accept current production Harley Davidson rotors and stators S amp S crankcases shipped before late mid fall 1998 may require modification to accept Harley Davidson 45 amp alternator See note in Section 2 A 3 Use of early plastic coated stators and rotors with diameters greater than 6 470 is not recommended due to insufficient clearance between rear of stator and case and OD of rotor and case It is possible to
9. A Inspect crankcases to confirm that they are correct style and machined for correct bore size flywheel diameter oil pump pattern etc Refer to tag wired to crankcases Be sure serial numbers on crankcases match numbers on packing carton and certificate of origin Contact S amp S immediately if numbers do not match C Trial fit crankcases in frame as described in Section 9 NoTES Valid certificate of origin is required for any transfer or sale of aftermarket crankcases or complete engines built with aftermarket crankcases Certificate of origin is required title and license any motorcycle which is to be driven on public streets and highways S amp S crankcases manufactured before Fall 1998 require modification for use with 45 Harley Davidson alternator supplied on 97 fuel injected big twins and available as upgrade kit H D 29999 97 See Section 2 Final Preparation for modification procedure Performed correctly 45 alternator modification will not void 585 warranty All reference to Harley Davidson part numbers is for identification purposes only We in way are implying that any of S amp S Cycles products are original equipment parts or that they are equivalent to the corresponding Harley Davidson part number shown 2 Final Preparation A If applicable modify cases for 45 amp alternator This step is not required for all models see preceding note 1 Carefully enlarge wiring recess in sprocke
10. Use four amp 20 x74 585 50 0068 12 pt cap screws and four 4 S amp S 33 5308 screw adapter washers for each guide See Line Drawing item 13 2 1979 to present Use four 14 20 x74 5850 0068 12 pt cap screws for each guide See Line Drawing item 13 14 l Gearcover ores 585 crankcases accept S amp S and stock gearcovers Mounting holes are 4 20 thread Tighten to 8 10 ft lbs in all applications Mounting screws are not furnished but are available separately Some aftermarket gearcovers have incorrect machining that may cause poor alignment of oil passages pinion shaft cam and dowel locations Incorrect machining on some 1970 to present aftermarket covers may also cause poor alignment between oil passage in gearcover pinion shaft supply passage in crankcase See Figure 5 Additionally 585 has found some covers to have porosity between pinion shaft oll supply and crankcase breather passages Result is that high pressure intended for top end is diverted to breather cavity or bottom end starving hydraulic tappets rocker arms etc as a result Problem may be intensified by heat as engine temperature increases thins and pressure drops flywheel cavity becomes flooded with scavenging mechanism becomes overwhelmed and excessive ol is blown out crankcase breather Engine damage may also occur Pinion shaft oil food too large and located too low Overlaps both teed noies in cover gasket and
11. from 585 If it is deemed necessary for 585 to make an evaluation to determine whether the part was defective a return authorization number mustbe obtained from S amp S The parts mustbe packaged properly so as to not cause further damage and be retumed prepaid to 585 with a copy of the original invoice of purchase and a detailed letter outlining the nature of the problem how the part was used and the circumstances at the time of failure If after an evaluation has been made by 585 and the part was found to be defective repair replacement or refund will be granted ADDITIONAL WARRANTY PROVISIONS 1 585 shall have no obligation in the event an S amp S part is modified by any other person or organization 2 585 shall have no obligation if an S amp S part becomes defective in whole in part as a result of improper installation improper maintenance improper use abnormal operation or any other misuse or mistreatment of the 585 part 3 S88 shall not be liable for any consequential or incidental damages resulting from the failure of an 585 part the breach of any warranties the failure to deliver delay in delivery delivery in non conforming condition or for any other breach of contract or duty between S amp S and a customer 4 585 parts are designed exclusively for use in Harley Davidson and other American v twin motorcycles 585 shall have no warranty or liability obligation if an S amp S partis used in any other application
12. in generator style cases when hydraulic tappets are used This is possible only if S amp S 31 6200 style replacement oll pump is used If stock cast iron or early alloy pump is used supply cannot be separated and pinion shaft must not be converted to constant oilfeed CAUTION Using stock cast iron oil pump or 1968 69 alloy pump with constant feed pinion shaft oiling system can result in abnormally low oil pressure with possible engine damage as a result Istock alloy pump is used proper identification to confirm it is correct type is imperative Different year alloy pumps have design changes that could interfere with oil circulation ifused with wrong style crankcases Some early stock alloy pumps will also cause pressure relief passage in S amp S crankcase to be uncovered resulting in large oil leak Pump and other parts such as pinion shaft and pinion shaft bushings rocker shafts and rocker shaft bushings lifters and liter guides must be serviceable andin good condition to insure proper oil pressure and circulation CAUTION Insufficient oil supply may result in premature wear or damage to critical engine components 2 Crankcase oil supply passages 1948 to 1969 generator style crankcase only See Pictures 4 amp 5 a Engines using stock cast iron or early stock alloy oll pump assembly or 585 31 6200 pump and solid tappets 1 Thread 50 0024 socket head set screw See Line Drawing item 47 in
13. magnetic drain 31 2037 shaft circuit breaker drive gear 1936 69 cases 31 2039 shaft idler gear 1936 69 cases One set of S amp S big twin crankcase bolts less two bolts washers and nuts used to hold cases together for shipping One 31 4013 bearing assembly left main less races installed by 585 Assorted loose hardware and several hardware packages in the following configurations 1936 to 1947 big twins 31 2005 plug timing hole 31 2017 spacer motor mounting 31 2021 fitting oil line 31 4010 seal left main bearing 1970 up big twin 31 4011 spacer drive sprocket 1970 up big twin 1 31 0000HC hardware pkg 1936 64 big twin 31 0000HD hardware pkg 1936 69 big twin 948 to 1964 big twins 31 2021 fitting oil line 31 0000HA hardware pkg 1948 up big twin 31 0000HC hardware pkg 1936 64 big twin 31 0000HD hardware pkg 1936 69 big twin 1965 to 1969 big twins 31 2021 fitting oil line 31 0000HA hardware pkg 1948 up big twin 31 0000HD hardware pkg 1936 69 big twin 31 0000HE hardware pkg 1965 84 big twin 1970 to 1984 big twins 31 2021 fitting oil line 31 0000HA hardware pkg 1948 up big twin 31 0000HE hardware pkg 1965 84 big twin 31 0000HF hardware pkg big twin alt left cases 1984 to present big twins 31 0000HA hardware pkg 1948 up big twin 31 0000HB hardware pkg 1984 up big twin 31 0000HF hardware pkg big twi
14. special pinion shaft bearing race pre clearanced for use with cams up to 798 lift with a 1 000 base circle is available It is especially important to check knucklehead style cases since most cams available are aftermarket grinds with varying specifications 13 F Breather gear timing Breather gear window in crankcase is machined to maximum specifications and should require no further machining In addition breather passage between flywheel cavity and breather gear bore is cast in a special ported shape designed to optimize flow of crankcase vapors and oil mist G Oil pump 1 Oil pump compatibility 1936 to 1947 knucklehead engines Original stock cast iron early stock alloy 1968 to 1969 or 585 31 6200 pump may be used Passages in crankcase are machined to provide stock like circulation b 1948 to 1969 panhead and shovelhead engines Original stock cast iron early stock alloy 1968 to 1969 S amp S 31 6200 oil pump may be used Passages in crankcase are machined to provide stock like circulation However if S amp S 31 6200 pump is used builder has option to separate oil supply as in 1973 and later style oiling system This permits tappets and heads to receive unrestricted oil supply first Lower end main and connecting rod bearings get secondary at lower pressure after top end is supplied 1970 to present alternator style engines Top end and lower end oil supply passages are separated and press
15. 00 in left Pinion Shaft Bearing Diameter column Pinion bearing race inside diameteris 1 7510 and falls between 1 7509 and 1 7511 in middle Bearing Race Diameter column Correct bearing color code where two columns intersect is BLUE 12 Selecting color where columns intersect provides proper fit for normal service If looser fit is desired select bearing color directly to right of color indicated from selection process If color indicated from selection process is located in right color column go to next row directly below and select color in left color column 2 Fitment method B Use Chart 2 below a Refer to information tag on crankcases to determine final honed size of inside diameter of pinion shaft main bearing race Measure pinion shaft bearing surface diameter Subtract pinion shaft bearing surface diameter from pinion bearing race inside diameter d Select range in left Bearing Race Diameter minus Pinion Shaft Bearing Diameter column where difference best splits high and low parameters of range Corresponding color bearing set in right Bearing Color Code column provides proper fit for regular service S amp S Pinion Shaft Main Bearing Fitting Charts For 1987 and later style bearings Pinion Shaft Bearing Diagram Bearing Race Diameter MINUS ing Color Code in Bearing Race Diameter Pinion Shaft Bearing Diameter Red Blue Green 1 7511 to
16. 314018 Retaining ring man bearing BT 50 8057 Spa 50 1004 Cam needle bearing Daaa Washer cam ook BT 1936 47 195899 OHV 1064528 ench Spak Camras washer BT 50 60335200 Spak 63033 1007 55 33502 6033 1008 060 0 12555236 each 63033 5203 Spat 6033 1009 533 5205 Spat fe 533 5206 Spak tm OBO feat 433 5207 5 Em 00 feat Spak oou LeftTamken main being 1986 39 SAS BT cases pra esan toam Timken Nain Beating Spacers 198 4987 Fits 114 stock diameter shaft nan 1015 1025 03912 314072 1035 1045 9126 31 4073 055 1065 kort Ery 1075 1085 4 0 9128 31 4075 1195 1205 31 4076 Space ve spoke 196599 S85 BT ases Space Sprocket System 1131 x11730 325 Fatigue Poof 197099 bt Seal sprocket shaft 1986 99585 BT cases e006 Spat Enano Bushing oil pump shaft All S amp S BT cases Standard 0 22464136 Tappet guide assembly 5 12pt DHH 20 50 0068 pnt 50 0240 6 w 2 NR 18 apet ouide 1948 99BT Fom arr a Rear H 0 18633 480 each 33 53028 Taden ERs
17. 4270 50 4275 47 PSholephgkt 1062997 WS Not Shown WA Mo longer available 22 Details are showing the crankcase hardware for cases manufactured before 6 1 08 to H D part numbers for identification purposes only We in no way are implying that any of S amp S yes products are original equipment parts or that they are equivalent to the omespondingH D part number shown 23 PROVEN SES Vero MING 24
18. Instruction 106 5058 01 04 13 Copyright 2009 amp 2013 Cycle Inc Allright reserved Printed inthe USA 545 Cycle Jac 14025 Cty Hwy G PO Box 215 Viola Wisconsin 54664 Phone 608 627 1497 Fax 608 627 1488 Technical Service Phone 608 627 TECH 8324 Technical Service Email sstechesscycle com Website wwwsscycle com PROVEN SES rror Installation Instructions S amp S Super Stock and Special Application Crankcases for 1936 99 Big Twin Engines DISCLAIMER S amp S parts are designed for high performance closed course racing applications and are intended for the very experienced rider only The installation of S amp S parts may void or adversely affect your factory warranty In addition such installation and use may violate certain federal state and local laws rules and ordinances as well as other laws when used on motor vehicles used on public highways especially in states where pollution laws apply Always check federal state and local laws before modifying your motorcycle Itis the sole and exclusive responsibility of the user to determine the suitability of the product for his or her use and the user shall assume all legal personal injury risk and liability and all other obligations duties and risks associated therewith The words Harley Harley Davidson H D Sportster Evolution and all H D part numbers and model designations are used in reference only S amp S Cyc
19. UTION Incorrect installation of engine or driveline could cause loss of control of motorcycle with serious consequences to operator and other B Clean crankcases in hot soapy water or solvent to remove any dirt or contamination which have been introduced during shipping handling set up If 1973 80 stock shovelhead oil pump is to be used refer to note in section 3f Oil Supply Passages prior to final preparation C Carefully clear oil passages with compressed air Compressed air and particles dislodged by compressed are potentially harmful Wear protective goggles when using compressed air and always direct airstream away from yourself and others nearby 3 Hardware Identification and Installation NOTES Some hardware supplied in crankcase kits may not be needed When installing hardware be careful not to cross thread fittings or damage threads Damage caused by improper installation of hardware will not be covered under warranty To prevent galling apply anti seize compound Teflon tape to threads of all steel fittings prior to installation in crankcase If Teflon tape is used loose tape must not enter crankcase passages Do not apply tape to first 2 3 threads that screw into hole If fittings are removed or replaced be sure no tape shreds remain in holes Tape shreds could block passages causing restriction of ol flow CAUTION Restricted flow may result in
20. access to view timing marks on left flywheel when setting ignition timing Installation 1 Thread plug in hole until it bottoms out against case surface 2 Tighten plug after ignition timing has been static timed and before starting engine H Assorted screws washers etc See Line Drawing items 44 45 46 All models Location and function 50 0014 20 x and 50 027050 0018 20 x 1 hex head cap screws and 50 7019 1 4 lock washers are used to clamp timer assembly down in 1936 69 engines screws are for early timers and 1 screw is for later style timers that require separate clamp 50 0015 4 20 x 1 slotted round head screws and 50 7019 gt lock washers are used to clamp manual timer advance bracket to bracket boss on 1936 64 engines 50 0044 10 24 x 1 socket head cap screws and 50 0045 10 24 x socket head set screw are used mount alternator stator and wires on cases using alternator left case half 4 Magnetic drain plug A Place crankcases in frame to determine if magnetic drain plug 31 2006 located on bottom of cases will be accessible If drain plug is obstructed by skid plate hole must be drilled in skid plate to provide access Place large amount of clay or putty on skid plate in general area of drain plug Drain plug will make impression when cases placed in frame over clay C Remove cases and drill hole in skid plate in location indicated by impression in clay Hole must be large enough t
21. amp S discourages use of crankcase vent without correct fitting due to possibilty of oil reaching rear brakes or tre or abrasive contaminants entering crankcase In these instances crankcase pressure must be vented through cylinder heads as on 1993 big twins With cylinder head venting hole must be plugged for reasons mentioned above Additionally leaving hole open with 1993 gearcover will cause large oil losses F Oil supply passages Location Holes F amp G See Pictures 4 5 amp 6 page 5 Hardware 50 0024 socket head set screw See Line Drawing item 47 Installation See Section 7F Oil Pump and important note immediately following Section 7F NOTE Installing stock 1973 1980 shovelhead oll pump on 545 alternator style crankcase will expose oil passage immediately above crankcase hole for top outside oil pump mounting bolt resulting in large leak See Picture 11 Using S amp S pump is recommended Otherwise passage indicated See Picture 12 must be carefully tapped for 8 32 set screw and set screw installed with green Loctite Perform procedure prior to assembling crankcases and carefully remove all metal chips generated during procedure G Timing mark access hole Note difference between 585 pump on left 1973 80 pump on right Picture 11 All models Location Hole A See Picture 13 Hardware 31 2005 timing hole plug See Line Drawing item 25 Function Hole serves as
22. arts check clearance perform following steps 1 Assemble case halves using several case alignment studs and several regular case bolts Snug nuts and bolts Torquing bolts to final specification is not necessary 2 Clean frame engine mounts and carefully remove any irregularities from mounting surfaces Also inspect crankcase mounting bosses for burrs 3 Position case assembly in frame 4 Install engine mounting bolts in motor mounts and check clearance between mounting bosses on cases and frame and any other areas where frame and cases may contact each other Bolts may be difficult to install if contact is severe 5 If cases contact frame remove them and relieve just enough material in offending area to provide clearance 6 Place cases in frame install one rear mounting bolt and snug nut 7 Measure gap between crankcase mounting bosses and frame motor mounts with feeler gauge to determine if shimming is required 8 If gap exists fabricate shim just thick enough to fill gap 9 Install opposite corner shim and mounting bolt and nut and tighten identical to other bolt 10 Check other comers with feeler gauge to confirm thickness required is same as before not determine cause and correct B Crankcase to primary chain cover on 1965 to 1969 models with cast aluminum primary Due to casting variations contact may occasionally occur between inner primary cover and crankcase bolt at position D See S amp S Crankca
23. ave bearings fit on looser side of range to avoid seizure All styles of main bearings used from 1958 to present may be used in 585 cases For simplicity s sake only 1987 and later style bearing fitment will be covered in these instructions 11958 86 style bearings are used consult Harley Davidson service manual for correct fitment procedure TES Refer to information tag on crankcases for final honed size of pinion shaft main bearing race S amp S pinion shaft main bearing fitting Charts 1 and 2 next page use Harley Davidson bearing color codes All measurements must be taken with parts at room temperature approximately 70 F Whatever style bearing is chosen care must be taken to position entire roller surface to completely contact main bearing race and be completely contained within race e z CAUTION Improperly supported main bearings may result in abnormal wear bearing failure and or damage to other internal engine components 1987 and later style pinion main bearings 1 Fitment method A Use Chart 1 on next page a Refer to information tag on crankcases to determine final honed size of inside diameter of pinion shaft main bearing race b Measure pinion shaft bearing surface diameter Gross reference pinion race inside diameter with pinion shaft bearing surface outside diameter to determine correct color code EXAMPLE Pinion shaft bearing surface diameter measures 1 2499 and is between 1 2498 and 1 25
24. clearance cases for these parts but S amp S recommends use of later parts due to increased reliability 1992 and later oil filter All S amp S alternator cone style right crankcases feature 1992 and later filter mounting bosses located just forward of gear cavity When mounting oil filter or other accessories use 18 thread screws of correct length to provide minimum thread engagement To check install screw and washers if used in mounting flange bracket and measure amount of screw that protrudes past mounting surface d 8 S amp S Replacement Crankcases for Pollution controlled vehicles in California S amp S crankcase kits part numbers 31 0000 31 0003 31 0005 31 0052 and 31 0055 are legal for use in California as replacement crankcases for 1970 1999 model year Harley Davison motorcycles per the California Air Resources Board executive order D 355 8 Each of these crankcases is supplied with a one time use product information label See Figure 6 that shows itis legal for use in California This label must be applied to the frame of the motorcycle in visible location preferably near the frame serial number Product information label is required to aid in passing the California Smog Check program 545 Cycle Tuc PN 31 0000 31 0003 31 0005 31 0012 31 0052 amp 31 0055 Crankcase Assembly 0 355 8 Only crankcases with the following S amp S part numbers are a legal replac
25. e pact 50 0194 19 Bolt Position Diagram Scr SHS 10 245 Stator plug damp N S gasket 1970 up SAS BT 04 2025339093 252730 2025700 P5 hoke Cows Shale Soen oy 832034 5 CPS hole plug Oing fend Spak CPS hole pagkit WashesRigh Main Bearing Thrust 7 1258 1748x051 Ste Spa BP 50 0045 prr Ns WA 50 00545 106 1189 508270 50 8275 106 2987 saos 31 4039 31 7008 aay sed wh 15885 sl benng th ose les and iis butan bese to postion 1987 beatings when sedon ety siete Not Shown Nolonger available Al reference to H D part numbers is for identification purposes ony We in no way are implying that any of SR5 products are original equipment parts or that they are equivalent to the conesponding K D part number shown S amp S SPECIAL APPLICATION CRANKCASE REPLACEMENT PARTS n hal Race right main beating S amp S BT Standard 20909 05 QS 314007 eran for 798 if 1984 99 style cam 0805 ght main bearing assembly BT Whte 31 4005 Gren ed Bue oreo Fetaining ing bearing Spok Ga eel bearing assembly Da aao Wishes am h
26. ement part for pollution controlled vehicles 31 0000 stock bore 1984 1991 big twin natural 31 0052 stock bore 1984 1991 big twin black 31 0003 stock bore 1970 1984 big twin 31 0005 stock bore 1992 1999 big twins natural 31 0055 stock bore 1992 1999 big twins black To install sticker perform following steps 2 3 Thoroughly clean and dry area to which sticker will be applied Remove paper backing from sticker Carefully place sticker in desired position and press sticker on frame of motorcycle Smooth any wrinkles or air bubbles by gently pressing them outward from center of sticker past edge 16 585 crankcase installation in frame chassis is essentially the same as stock although additional clearancing and shimming may occasionally be required Main areas of concern are between cases and frame motor mounts and in 1965 to 1969 engines between cases and primary chain cover A Crankcase to frame motor mount clearance Checking clearance around and between case mounting bosses and frame is necessary to ensure that crankcase rests squarely on motor mount pad and no stress is applied to crankcases when mounting bolts are tightened Shimming may be required to compensate for variances between frames NOTE Crankcases damaged by improper installation are not covered under warranty CAUTION Improper alignment of engine and frame mounts may cause abnormal stresses resulting in damage crankcases or other p
27. extensive engine damag not covered under warranty A Gear cavity vent passage Location Hole A See Pictures 3 4 5 amp 6 Hardware 50 8115 hose fitting or 31 2018 oil line fitting See Line Drawings on last page items 35 and 39 Function Vents gear cavity Equalizes pressure in gear case and tank Is also connected to primary chain case in 1965 84 models with dry clutch and engine supplied primary chain oiling Installation 1936 69 1 Install fitting 31 2018 in hole A 2 Connect oil vent line from oil tank to fitting Allreference to Harley Davidson part numbers is for identification purposes We in no way are implying that any of S amp 5 Cycle s products are original equipment arts or that they are equivalent to the corresponding Harley Davidson part number shown 3 Install tfitting H D 63580 66A if stock 1965 69 primary chaincase oiling system with dry clutch is desired See Picture 7 Installation 1970 present 1 Install fitting 50 8115 in hole 2 Connect oil line vent from oil tank to fitting 3 Install t fitting H D 63580 66A if stock 1965 early 1984 dry clutch and engine supplied primary chaincase oiling system are desired See Picture 7 B Crankcase oll screen assembly Location Hole See Pictures 4 5 amp 6 page 5 Hardware 31 2010 crankcase oil screen 31 2011 spring 50 8008 o ring and 31 6021 cover screw See Line Drawings
28. gagement of base nut Top of stud must be at least flush with top of conventional base nut NOTE S amp S can provide extra long cylinder studs part 31 2324 5 for these applications See line drawing on page 18 B Crankcases made for 1984 99 big twin cylinders Cylinder studs are installed to stock height which is compatible with stock cylinders or any 585 Sidewinder kit for big twin engines The kits utilize different length head bolt and washer combinations to compensate for different cylinder heights These are included in kits with cylinders longer than stock Builders using kits with stock or shorter than stock cylinders may shorten stock bolts or purchase bolts of correct length from S amp S If cylinder stud height requirement is different than stock and extra long bolts will not work engine builder must install custom studs with at least 750 of stud thread engagement in crankcase S amp S has produced two styles of cylinder studs for big twin engines Current part 31 2321 replaces H D 16937 85C See Figure 1 and has a single collar When installed correctly collar contacts crankcase cylinder base gasket surface Discontinued part 31 2323 See Figure 2 had two collars either of which could be installed against crankcase cylinder deck NOTES studs are easily damaged Install lengths of 38 ID rubber or plastic tubing over each stud to prevent nicks and scratches until top end is assembled Do not use stud
29. gnment Stud 241 erase 5 amp Screw HHS 183K Screw HHCS 91831 chrome fart sonses 1063452 Peston 7 Screw HHS 5 warm soon hea 5405 1064748 Poston Screw HBS W285 fent sonas Screw HHS W 28x54 Come eath sons2s 1064746 4 and Bore Cases Manufactured After 61 08 Positions 1 7 103669 SAS BT cases amp SRS BT SA Screw HHS a 18x3 sm7 Screw HCS 183 doe ench sonses pak 1063452 Peston Screw CS 28507 ic Spa sous Screw 28907 584055 105446 4 Bore Cases Manufactured Before 61 08 Positions 1 4 Alen Sud 0 607 or nan Positions 5 amp 6 Screw HHS Ha 18x32 Sew HHS 24x5 5455 164768 Poston B AISES Bases pc Applicaton Saen HHCS 28 67 somo 98 Bore Cases Manufactured After 6 1 08 Positions 1 7 1936 69 SAST ases SAS 5 HHS 1831 s7 Scr HHCS fent sonses 1063452 Postion B AISES BT ases Speal Applicaton Scr HHCS 28 67 an sowo Spa 0028 Washer 261 50 Dnc feat somo Crome fear 3765 Na ha Dnc paran 70 sss for Speci Cases Manufactured Beltre 6 1 06 Come ead 1064749 Washer a 1 XWA Plug timing hole Details are sho
30. irt and other contamination in engine may cause extensive engine damage not covered under warranty Compressed air and particles dislodged by compressed air are potentially harmful Wear protective goggles when using compressed air and always direct air stream away from yourself and others nearby 1 6 Circuit Breaker Drive Gear and Idler Gear Shafts S amp S ships generator style crankcase kits with circuit breaker drive gear and idler gear shafts pressed and bolted in place Installation is performed at S amp S using a special fixture to insure proper alignment with gearcover Care must be taken to avoid hitting these shafts during handling and assembly Prior to installation of flywheel assembly in crankcases its recommended that gear cover to be used be slipped over shafts and dowel pins to check fit See Section 74 Gearcover Cover must not be forced on If resistance is encountered stop immediately and determine cause Properly fit gear cover should slide over shafts and pins without difficulty CAUTION Incorrect gear cover fit may cause abnormal stress between gears gear shafts pinion shaft and or camshaft resulting in rapid wear and or failure of these components 7 General Assembly Information NOTES AIIS amp S crankcase oil pump tappet guide and gear cover mounting holes are 14 20 thread Correct hardware is readily available from most local sources Early 14 24 fasteners used in stock crankca
31. items 15 16 17 18 Function Prevents oll bome contaminants from reaching tappets and cylinder heads in 1948 and later engines Installation All engines 1948 and later 1 Slip spring over screen and insert in hole B with open end facing down See Picture 2 Install cover screw with o ring in place and tighten with large screwdriver NOTE If screen is removed be sure to reinstall with open end down and spring placed over screen as in Picture 8 All reference to Harley Davidson part numbers for identification purposes only We in no way are implying that any of S amp S Cycle s products are original equipment parts or that they are equivalent to the corresponding Harley Davidson part number shown C Cylinder head oil supply passage oil pressure switch hole Location Hole See Pictures 3 4 5 amp 6 page 5 Hardware 31 2021 oil line fitting 50 8112 45 fitting 31 2016 oil pressure switch assembly or 50 8331 socket head pipe plug See Line Drawing items 27 28 30 31 Function Supplies oil to cylinder heads in all shovelhead engines 1970 to 1984 Alternative source of oil supply to heads for knuckleheads and 1963 65 Panheads accepts oll pressure switch in big twin engines 1984 to 1999 Installation 1970 84 shovelhead 1936 77 knucklehead and 1963 65 panhead with outside oiler heads 1 Install fitting 31 2021 in hole 2 Connect line to crankcase fitting and to rocker boxes on a knucklehead to cyli
32. le is not associated with Harley Davidson Inc IMPORTANT NOTICE Statements in this instruction sheet preceded by the following words are of noe Means theres the pobily youl wmon Other information of particular importance has been placed in italic type 585 recommends you take special notice of these items SAFE INSTALLATION AND OPERATION RULES Before installing your new 585 partitis your responsibility to read and follow theinstallation and maintenance proceduresin these instructions and follow the basic rules below for your personal safety Gasolineis extremely flammable and explosive under certain conditions and texic when breathed Do not smoke Perform installation in a well ventilated area away from open flames or sparks If motorcycle has been running wait engine and exhaust pipes have cooled down to avoid getting burned before performing any installation steps Before performing any installation steps disconnect battery to eliminate potential sparks and inadvertent engagement of starter while working electrical components Read instructions thoroughly and carefully so all procedures are completely understood before performing any installation steps Contact 585 with any questions you may have steps are unclear or any abnormalities occur during installation or operation of motorcycle with a 585 part on it Consult an appropriate service manual for your m
33. manufacturer or other For further information contact S amp S Technical Services at 608 627 8324 FAX 608 627 0766 or e mail sstech sscycle com NOTE Modification includes but is not limited to appearance changes such as painting powdercoating plating and polishing Proper preparation for these procedures as well as the processes themselves may require the use of polishing compounds chemicals or procedures that are potentially harmful to crankcases CAUTION Passages and internal cavities may become obstructed by residues from materials used to polish paint plate or powdercoat surfaces Additionally surface finishing processes can damage critical machined surfaces Any of the above may cause premature wear damage or failure of other engine components as well as the crankcases themselves Powdercoating Subjecting heat treated alloys such as those used in S amp S crankcases to excessive heat can drastically alter their strength and their critical properties The degree of change depends upon the temperatures reached and the duration of exposure When powder coating or otherwise processing alloy parts S amp S exposes them to a maximum temperature of 370 F for no longer than 20 minutes Under no circumstances should parts be heated past 400 F Please read these instructions thoroughly before starting work Proceed with the installation only after they are completely understood INSTALLATION INSTRUCTIONS 1 Inspection
34. n alt left cases Installation instructions Certificate of origin CARB approved sticker crankcases 31 0000 31 0003 31 0005 31 0052 31 0055 See Step 8 Hardware packages listed above include the following parts 31 0000 1948 up big twin 31 2005 plug timing hole 31 2010 screen crankcase oil 31 2011 spring crankcase oll screen 31 4010 seal left main bearing 1970 big twin 50 8008 o ring 31 6021 screw cover 1 0000HB 1984 up big twin 50 8112 fitting 45 hose 1 male pipe x 4 female pipe 31 2016 switch assembly pressure 31 4011 spacer drive sprocket 1970 up big twin 50 8113 fitting 45 hose 14 male pipe x3 male hose 2 50 8330 plug SH pipe 14 18 2 50 8331 plug SH pipe 1 27 50 8115 fitting hose 1 0000HC 1936 64 big twin 2 50 7019 washer lock 14 31 2018 fitting line 31 4014 spacer drive sprocket 1936 64 big twin 50 8331 plug SH pipe 27 2 50 0015 screw sltd RH 4 20 x 5 1 0000HD 1936 69 big twin 2 50 7019 washer lock 14 50 8331 plug SH pipe 27 50 0069 screw SHS 14 20 4 2 50 0014 screw HHC 14 20x 14 50 0018 screw HHC 20x 1 1 0000 1965 84 big twin 31 2019 fitting primary oil return 31 4011 spacer drive sprocket 1970 up big twin 50 8113 fitting 45 hose 14 male pipe x male hose 50 8115 fitting hose 31 0000 big twin alt left crankcase 4 50 0044 screw SHC 10 24 1 50 0045 screw
35. nder heads on 1963 165 outside oiler panhead or to rocker box on a shovelhead Installation 1984 99 big twin equipped with pressure warning light only Install pressure switch 31 2016 in hole Installation 1984 99 big twin equipped with pressure gauge 1 Install 45 Ye x pipe fitting 50 8112 in hole 2 Install pressure sending unit H D 74406 87 into 50 8112 fitting 3 Position oil pressure sending unit to obtain clearance by tilting it away from rear tappet guide See Picture 9 NOTE Install pipe plug S amp S part 50 8331 in hole Cif oil pressure switch or pressure gauge is not used D Primary housing scavenge passage Location Hole D See Pictures 5 amp 6 1965 early 84 engines with dry clutch and engine supplied primary chain oiling Hardware 31 2019 primary oil return fitting and 50 8331 socket head pipe plug See Line Drawing items 32 amp 34 Function Hole D leads to vacuum side of crankcase breather gear Hole D is normally used to scavenge oil from primary chain case 1965 early 84 models with dry clutch and engine supplied primary oiling Installation 1965 early 84 engines with dry clutch and engine supplied primary chain oiling only 1 Insta fitting 31 2019 in hole D 2 Connect fitting 31 2019 to oil scavenge fitting on bottom of primary chain case with hose Installation 1980 present engines with primary belt drive sealed primary and wet clutch 1 Ins
36. o accommodate removal tool and drain plug NOTE When servicing engine do not overtighten drain plug Leave at least s of plug above surface of crankcase See Picture 14 Picture 14 CAUTION Overtightening drain plug may cause plug to contact flywheels resulting in damage to flywheels and other engine parts NOTE Check magnetic drain plug for metal particles at 500 mile change Break in of new engine invariably produces fine metal particles Small accumulation of fine material on magnetic drain plug is normal and simply shows that drain plug is doing its job Significant amounts of coarse metal particles or shavings indicate serious engine damage and or contamination during engine assembly this event engine should be closely inspected before further operation CAUTION Metal filings dirt and other contamination in engine may cause premature wear and or irreversible damage to bearings and other engine components 5 Cylinder studs Unless otherwise requested S amp S installs appropriate cylinder studs in all S amp S crankcases prior to shipment A Crankcases made for knucklehead panhead or shovelhead cylinders Cylinder studs are installed to 1 330 for use with S amp S Sidewinder big bore cylinders as well as stock cylinders If cylinder base plate is used to increase cylinder height stud must protrude through gaskets plate and flange of cylinder far enough to allow full thread en
37. ock pot ssosz0 ens Spat runs washer 198499 50 ach Spak 67033 1007 1055 arnt 33 5202 Spak 6 e33 1008 60 042555235 feach Eoas Spak 6033 1009 6S 3355204 Spod E200 0 0255430 eh 33 5205 Spod 5 gar 25559 33 5206 Spak eu 102 080 we ass each 60335207 Spak 033 1013 090 0555836 fench Spak Eou main bearing assermbiy 1984 9955 BT cases onan Space ve 1984 99 SRS BT Sea shaft 1936 99 SHS BT cases Sonam Spad Sonam Basting ol pump shaft AII SAS BT ases Standard vars Tape guide assy Ns 12pt DHH 20 hoes 00068 tappet quide 1984 99 BT Front HO 18634 480 each 63033 53027 pack Sins Fear goraren ano 63033 53138 Set font borers 3 5102 past 31 7008 ol en spring 198499 ig twin mams nga 312058 ese ing 198 up SRS BT eran nar gu 03078 ve sew 198499 SAS BT 200239 ah Spak 20 BS finder sud 1984 up BT each Enans Bpak nan 184 up BT with nans Apat onan Calas Hanae Special Application Crankcases For Engines With 4 Gyinder Bore or Greater 2 and 44 Bore Cases Manufactured Before6 1 08 Positions 1 4 Al
38. osses with possible loss of control of motorcycle and serious injury to operator and others 1 Compatibility a 193610 1969 engines Stock gear covers for 1954 1969 engines with a s pinion shaft bushing or S amp S gear covers with a e pinion shaft bushing may be used with S amp S generator style crankcases See notes and cautions above b 1970 to present Use appropriate year group 1970 to 1972 1973 to 1992 or 1993 to present stock or S amp S gearcover Do not use 1970 to 1972 type with 1973 and later end oiling pinion shaft See notes and cautions above 2 Gearcase mounting hardware a To use stock gear covers with chamfered mounting holes fasteners with identical charnfers must be used All current production 585 crankcases for 1936 47 knucklehead engines are machined for use with stock 4 24 hardware Later style crankcases are machined for V 20 hardware 585 offers slotted countersunk oval head screws for this application in 34 24 thread 585 106 2013 for 1936 47 585 crankcases and in 14 20 thread 585 106 4732 for all later style S amp S generator style crankcases If using other hardware thread engagement in cases must be at least check install screw and washer if used in gear cover and measure amount of screw that protrudes past gear cover gasket surface Allow for gasket thickness b Stock gearcovers utilize several different length screws with washers Screws in S amp S cover kits are identical in length They are 14
39. otorcycle for correct disassembly and reassembly procedures for any parts that need to removed to facilitate installation Use good judgment when performing installation and operating motorcycle Good judgment begins with a clear head Don t let alcohol drugs or fatigue impair your judgment Start installation when you are fresh Be sure all federal state and local laws are obeyed with the installation For optimum performance and safety and to minimize potential damage to carb or other components use all mounting hardware that is provided and follow all installation instructions Motorcycle exhaust fumes are toxic and poisonous and must not be breathed Run motorcycle in well ventilated area where fumes can dissipate WARRANTY 585 parts are guaranteed to the original purchaser to be free of manufacturing defects in materials and workmanship for a period of twelve 12 months from the date of purchase Merchandise that fails to conform to these conditions will be repaired or replaced at 585 option if the parts are returned to us by the purchaser within the 12 month warranty period or within 10 days thereafter In the event warranty service is required the original purchaser must or write S amp S immediately with the problem Some problems can be rectified by a telephone call and need no further course of action part that is suspect of being defective must not be replaced by a Dealer without prior authorization
40. s as handle to lift or position crankcases Unlike early style stock cylinder studs which rely on interference fit between threads of case and stud to hold them in place S amp S studs have standard thread fit and are secured by combination of thread tension and thread locking compound Late style stock studs H D 16937 85 have same design All reference to Harley Davidson part numbers is for identification purposes only We in way are implying that any of S amp S Cycles products are original equipment parts or that they are equivalent to the corresponding Harley Davidson part number shown Seemingly insignificant damage to studs may cause stress risers which can lead to stud failure and possible damage to engine components Insufficient thread engagement between stud and base nut or stud and engine crankcase may result in thread failure and major engine damage Thread failure due to insufficient thread engagement could cause violent engine disintegration under power resulting in loss of control of motorcycle with serious personal injury 10 NOTE Older 585 Sidewinder big bore cylinders may not fit over late style cylinder studs correctly preventing cylinder from seating on crankcase See Figure 3 Interference may seem minor but forcing cylinders down over collar may cause distortion of cylinder bore and accelerated wear Stud holes in 585 cylinders produced after 4 95 have been enlarged to provide adequate clearance
41. se Stud Locations diagram insert in line drawing NOTE Bolting cases and cover together without adequate clearance may create abnormal stress on cover and crankcase between bolt and primary chain cover may cause abnormal stress resulting In damage to cover or Improper check clearance perform following steps 1 Bolt assembled case halves in frame 2 Bolt primary cover to case with gasket in place 3 Check clearance between case bolt at position D and cover Grind clearance on cover as needed Replacement crankcase parts starts on next page Use the line drawings to identify required replacement parts Parts designed to fit as direct stock replacements are listed with corresponding Harley Davidson part number If no Harley Davidson part number is shown S amp S part cannot be used in stock application and vice versa NOTES Right and lft crankcase halves not available separately Parts marked N A are not available Parts marked N S are available but not shown on line drawing 17 S amp S SUPER STOCK CRANKCASE REPLACEMENT PARTS assembly alf A Face ight min beating AISES BT Sch are 26995995 05 OS 31 4007 Cesc 798 1984 99 seca based 030 08 31 4030 Fight main bearing assembly BT White 31 4005 Gren 314016 Red 314017 Blue
42. se up to 1978 must not be used in 585 crankcase Damage to cases caused by improper bolts screws etc is not covered under warranty Tohelp prevent thread damage S amp S recommends use of ant seize compound on threads of any steel bolt or fitting installed in aluminum 585 recommends high temp resistant premium silicone ThreeBond 1194 or Hylomar sealant to seal crankcase halves according to builders preference Use any sealant sparingly to prevent excess material from entering crankcase and obstructing passages or contaminating engine CAUTION Use of hardware with incorrect threads will damage Contaminants in engine oil may block oil passages resulting in damage to critical engine components A Crankcase bolt torque specifications Scs Crankcase Stud Locations diagram near line drawing for positions 1 Position A 4 12 ft Ibs 2 Positions B to H 447 15 18 ft bs B Other crankcase fastener torque specifications 1 Tappet guide fasteners 8 10 ft lbs 2 pump mounting bolts 8 10 ft lbs 3 Gear cover screws 8 10 ftbs C Pinion shaft main bearing fit Generally fitment specifications are identical to stock but type of service must be taken into consideration Bearings in street engines that will receive adequate break in may be fit on tight side of range to provide longer engine life Competition engines that will receive little or no break in should h
43. t side crankcase with mill or hand grinder and remove all metal chips generated during procedure See Picture 1 NOTE This step is not necessary in S amp S crankcases manufactured with large wiring recess Do not increase depth of recess Remove minimum amount of material that will crimping wiring harness Removing excess material may weaken crankcase low alternator stator to mount on crankcase without 2 After installation of flywheel assembly S amp S drive sprocket spacer 31 4011 and Timken main bearing seal place S amp S spacer 31 4033 not provided on sprocket shaft between spacer 31 4011 and alternator rotor See Picture 2 Dimensions of spacer 31 4033 are 1 13 od x 1 73 od x 325 thickness CAUTION Failure to use spacer 31 4033 with 45 amp alternator will cause rotor to bottom against crankcase when sprocket nut is tightened causing damage to crankcase rotor or both To insure safe operation of motorcycle these operations must be performed correctly and in a professional manner 3 After completing engine assembly and installing engine in frame check primary chain run out according to procedure in Harley Davidson service manual Maximum permissible run out is 030 Prior to operation of motorcycle confirm that primary chain and drive assembly rotate freely and without contacting alternator wiring harness crankcase or other components CA
44. tall 50 8331 27 pipe plug in hole D NOTES Plug Hole D with 50 8331 1 27 pipe plug if primary belt drive is used Hole D and fitting 31 2019 may be used to return top end oil in engines equipped with external return lines Connect return lines from front and rear cylinder heads with T fitting Install fitting S amp S 31 2019 in hole D and route remaining line from T to this fitting Breather gear will draw oil ftom heads into gear case where oil pump can retur itto oil tank E Crankcase vent breather passage Location Hole See Pictures 3 4 5 amp 6 page 5 Hardware Stock rear chain T fitting not included 50 8113 45 hose fitting or 50 8331 socket head pipe plugs See Line Drawing items 33 and 34 Function Vents crankcase to atmospheric pressure Also used to rear drive chain in some models Installation 1936 64 models with crankcase breather stud Plug hole E with 50 8331 27 socket head pipe plug Do not overtighten Installation 1965 69 models 1 breather and rear chain oiler are to be used a Install 50 8113 45 14 pipe x hose fitting See Line Drawing item 33 in hole b Connect ID hose to 50 8113 fitting Route hose down toward ground or to rear chain Avoid brake and tire surfaces because oil air mist exits hose Hose may also be routed to carburetor air cleaner if desired or required by local emission standards Connect rear chain oiler line
45. to hole F until it bottoms out 2 of screw should be flush with or slightly below gasket surface but screw should not extend deep enough to block oil passage 6 b Engines using hydraulic tappets and 585 oil pump 31 6203 1 Thread 50 0024 socket head set screw See Line Drawing item 47 into hole G until it bottoms out 2 Depth should be between 540 and 600 from gear cover gasket surface Location of screw should be between holes F and 3 pump mounting hardware Mounting holes are 14 20 thread Tighten to 8 10 ft Ibs Installation hardware is not furnished due wide variety of possible applications 585 oil pump kits include mounting screws Screws are also available separately Castiron pump stock alloy pump and 585 standard Billet pump Use two 14 20 x 114 S amp S 50 0080 and four 14 20 x 2 585 50 0078 hex head cap screws and 14 lock washer 585 50 7019 for each screw b S amp S HVHP billet pump Use two 14 20 x 17 S amp S 50 0080 and four 4 20 x 21 585 50 0086 hex head cap screws and lock washer 585 50 7019 for each screw H Tappet guides Mounting holes in S amp S crankcase are 14 20 thread Tighten to 8 10 ft Ibs Mounting screws are not furnished but are available separately 1 1936 to 1978 S amp S cases accept most stock tappet guides Due to casting variations however some early cast iron guides may require minor grinding at comers adjacent to cylinder spigot bore decks
46. to rear chain oiler fitting on stock pump if desired Avoid brake and tire surfaces because oil air mist exits hose on tires or brakes may cause loss of control of motorcycle resulting in serious injury to operator and others 2 Ifroom allows stock breather tfitting not included may be installed in hole E Follow directions below for 1970 79 models NOTE Installation of stock breather t fitting may not be possible on chassis with mechanical rear brakes due to clearance problems Installation 1970 79 models with rear chain oiler 1 Install stock tfitting in hole E a Connect Xs ID hose from rear chain oiler fitting on stock pump to hose nipple on stock t fitting See Picture 10 b Connect ID hose to large hose nipple on stock t fitting Route 4 hose to rear drive chain Installation 1980 and later models with crankcase breather vented to carburetor alr cleaner 1 Install 50 8113 45 4 pipe x hose fitting See Line Drawing item 33 in hole E b Connect hose to 50 8113 fitting and route in stock like manner to breather fitting on rear of air cleaner backplate Installation 1993 and later style engines with crankcase pressure vented through cylinder heads Install 50 8330 18 pipe plug in hole NOTE Although all S amp S crankcases are machined for crankcase breather vent some late chassislack sufficient room between crankcase and transmission oil tank for correct breather fittings S
47. ure relief passage is drilled as in stock late 1981 and later engines 585 31 6203 pump kit may be used in this application as may SOME stock alloy Harley Davidson shovelhead pump Most 1973 80 stock pumps leave pressure relief passage in crankcase uncovered resulting in large leak See Picture 12 on page 6 S amp S recommends S amp S pump for these applications although stock 1973 80 pump can be used if exposed passage is plugged according to procedure in Section 2 A Oiling systems in stock 1973 and later engines have two distinct differences from earlier engines supplies to top end and bottom end are separated and connecting rod bearings receive constant oll supply through pinion shaft rather than intermittent supply asin earlier engines Oilsupply is separated tappets heads get first at highest possible pressure In applications where hydraulic tappets are used this system maintains high pressure to tappets assuring proper operation After top end components are satisfied pressure relief valve opens allowing to flow to bottom end bearings and other components After bottom end is satisfied relief valve opens further allowing excess to flow to incoming supply passage side of pump Separate oil supply delivered to bottom end allows change in delivery at pinion shaft from intermittent to constant feed system hence end oiling style pinion shaft S amp 5 recommends separating oil supply
48. wing the crankcase hardware for cases manufactured before 6 1 08 reference to H D part umbesisfor identification purposes only We in no way are implying that any of S amp S products are original equipment parts or that they are equivalent to the orespondingH D part number shown 21 S amp S SPECIAL APPLICATION CRANKCASE REPLACEMENT PARTS Dran plug Manufactured before 5 1 2000 WINT 31 2006 Manufactued afer 5 1 2000 wa 504335 Fating x pipe male female a tt 29 Pston Oer Jel KE PEDS AZOT I9 mabak POC 20 312026 041019 S00 101 625 50 8032 pack 50 8130 31 Je Assembly Piston Cooling fear 31 20258 32 Saew orx Panhead 8 32 Zinc Steel 50 00545 Plu SHppe W 27 ech 508331 sems Fring 45 hose W pipe male x4 male hose Dsn Plug SH pipe 196569 85 BT lt pas 106 1175 36 Pining hose 7 27 pipe male Br Dr 508115 37 Dowel pin 250 dametrx 1970p SAS ET 5030222 5415 SHC 1024x T Sato pas sons 38 SHS 10 24 x3 Sator plug damp NS 50005 pas soo 40 NS 41 Gere gst 1970 up SAS BT 312031 42 PS hole obsolete Ns 43 Cover CPS hoke 310565 Scr Torx 8 32 04 50 0545 45 106 1184 46 Oting ct 50
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