high performance quick-install adjustable pushrods - Harley
Contents
1. 2 Hold adjusting screw and tighten locknut with 1 2 in open end wrench against the pushrod tube If pushrod turns with locknut use three open end wrenches one to hold the pushrod tube one to hold adjusting screw and one to turn locknut 3 With transmission in gear use rear wheel to turn engine over until both rear cylinder tappets are at their lowest position 4 Repeat steps 4 through 2B for the rear cylinder 5 Install pushrod spring cap retainers on pushrod covers Install spark plugs and return transmission to neutral 6 Connect battery cables WARNING Connect positive battery cable first If positive cable should contact ground with negative cable connected the resulting sparks can cause a battery explosion which could result in death or serious injury 00068a NOTE Due to the large number of heads and cams available for Twin Cam engines check for contact between the pushrods and upper pushrod covers Check by rotating engine slowly until both valves are in closed position on the cylinder you are checking If contact occurs the rocker arm supports should be Shifted toward the engine s cam side 2of22. cMOTOR HARLEY DAVIDSON WY J01774 INSTRUCTIONS REV 2013 11 01 HIGH PERFORMANCE QUICK INSTALL ADJUSTABLE PUSHRODS GENERAL Kit Number 17997 99A Models For model fitment information see the P amp A retail catalog or the Parts and Accessories section of www harley davidson com English only Kit Contents Table 1 Kit Contents Description Quantity Part Number Pushrod assembly Intake 2 17998 99A Pushrod assembly Exhaust 2 17906 99A Pushrod cover lower 4 17938 83 Keeper pushrod spring cover 4 17634 99 O ring pushrod cover upper 4 11293 O ring pushrod cover lower 4 11145 O ring pushrod cover middle 4 11132 NOTE These pushrods may be used with hydraulic tappets tappets that have been converted to solid tappets or with Screamin Eagle hydraulic tappets NOTE The installation of this kit may void the Harley Davidson limited warranty NOTE Harley Davidson motorcycles equipped with some high per formance engine parts may not be used on public roads and in some cases must be restricted to closed course competition This engine related performance part is intended for racing applications and is not legal for sale or use in California on pollution controlled motor vehicles Engine related performance parts are intended FOR THE EXPERIENCED RIDER ONLY WARNING The rider s safety depends upon the correct installation of this kit Use th
3. cribed in step 1 below do not cut pushrods using a method that creates metal debris which may end up in the engine such as using a hacksaw or die grinder and cause severe damage 1 Remove stock pushrods using a bolt cutter 2 Place the motorcycle on a hydraulic center stand with the rear wheel raised off the ground Remove spark plugs 3 With transmission in gear use rear wheel to turn engine over until both front cylinder tappets are at their lowest point 4 Replace O rings lower pushrod cover and spring cover keeper with new components supplied in kit 5 See Figure 1 Loosen locknut on all of the pushrods and adjust them to their shortest length NOTE See Figure 1 In Step 6 pushrods with the Thinner Finished area on the tubes must be installed to the Intake location on the cylinders pushrods with the Thicker Finished area on the tubes are slightly longer and must be installed to the Exhaust locations on the cylinders 6 Install pushrods with pushrod covers Be sure adjuster end of pushrod is down and ball end of adjuster is in tappet socket 7 If hydraulic tappets are used adjust pushrods following procedure A With solid tappets follow procedure B NOTE Pushrod adjustment must be made with engine cold PROCEDURE A Hydraulic Tappets 1 Adjust pushrod length to zero clearance 2 See Figure 1 With the pushrod tube kept from rotating with a 1 2 inch or adjustable wrench slowly turn the adjusting scr
4. e appropriate service manual procedures If the procedure is not within your capabilities or you do not have the correct tools have a Harley Davidson dealer perform the installation Improper installation of this kit could result in death or serious injury 00333a J01774 Many Harley Davidson Parts amp Accessories are made of plastics and metals which can be recycled NOTE A Service Manual is available from your Harley Davidson Dealer NOTE Solid tappets must not be used with the stock camshaft Severe engine damage may result is08132 a a oO i _ Exhaust Pushrod Tube has Thicker Finished area and is slightly longer Locknut Adjusting screw Adjusting screw flats Pushrod tube Intake Pushrod Tube has Thinner Finished area and is slightly shorter Figure 1 Adjustable Push Rod ani _ DARN INSTALLATION WARNING To prevent accidental vehicle start up which could cause death or serious injury disconnect battery cables negative cable first before proceeding 00307a 1 of2 Please dispose of materials responsibly IWAN IN Disconnect negative battery cable first If positive cable should contact ground with negative cable con nected the resulting sparks can cause a battery explosion which could result in death or serious injury 00049a NOTE When removing the stock pushrods as des
5. ew with a 5 16 in wrench 2 1 2 complete turns counter clockwise lengthening the pushrod as viewed from the bottom You may wish to mark adjuster to aid in counting turns 3 Hold adjusting screw and tighten locknut with 1 2 in open end wrench against the pushrod tube If pushrod turns with locknut use three open end wrenches one to hold the pushrod tube one to hold adjusting screw and one to turn locknut J01774 NOTE Wait ten minutes before turning engine over after adjusting front or rear cylinder pushrods This wait allows tappets to bleed down and prevents bending pushrods or valves Push rods should turn freely and valves must be on their seats closed before turning over engine 4 Wait ten minutes With transmission in gear use rear wheel to turn engine over until both rear cylinder tappets are at their lowest position 5 Repeat steps 4 through 3A for the rear cylinder 6 Install pushrod spring cap retainers on pushrod covers Install spark plugs and return transmission to neutral 7 Connect battery cables WARNING Connect positive battery cable first If positive cable should contact ground with negative cable connected the resulting sparks can cause a battery explosion which could result in death or serious injury 00068a PROCEDURE B Solid Tappets 1 Turn adjusting screw on pushrod until zero clearance exists in valve train Pushrod should turn with no drag and no up and down shake
Download Pdf Manuals
Related Search