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1. At the output shaft of the transmission there is a 3 5 1 gear ratio with the driven axle which gives it a good balance of takeoff acceleration as well as a top speed 190km h The driver sprocket has 15 teeth and the driven sprocket has 52 They are connected by a Forward Powersports 530 O ring motorcycle chain The benefit of using an O ring chain is that the chain links do not need external lubrication due to its design Additionally the rubber O ring built between the outside link plate and the inner roller links prevents dirt and other contaminants from entering the inside of the chain linkages smooth operation and power transmission is guaranteed A unique feature about the SF 1 car is that the driven sprocket is also used as the rear brake rotor Refer to figure for details The benefit of this design is that it reduces the weight on the rear of the car by reducing the usual 1 brake per wheel design to a single brake that acts for the entire rear axle Figure 5 Driven sprocket with rear brake caliper 4 0 PERFORMANCE SAFETY AND OTHER TESTING 4 1 Performance Testing Theoretical track performance figures are as follows Acceleration 0 60mph 4 3 s Top Speed 190 km h Maximum force during braking 2 0 g It should be noted that these values may not be attained easily as the car is designed for maximum performance on an autocross track It is intended to handle very well during cornering while placing
2. car It covers various subjects from features of the car which are applicable to the user to instructions to the tuner Occasionally design considerations and features of the car which were deliberately included by the SF 1 Engineering team which may go unnoticed to an untrained observer are included As this is a manual for a race car not a mass produced passenger car a certain level of mechanical aptitude and automotive knowledge is assumed on behalf of the reader It should be referenced when racing tuning or modifying the SF 1 car The SF 1 Engineering team recommends that the driver and pit crew become acquainted with the information contained in this report before starting a race weekend or event Throughout the manual look for the Christmas Tree icon and accompanying text box for items which we feel will be beneficial to the reader The notes are shown with the Green Yellow or Red lights on as follows The Christmas Tree with the Green Light lit up shows a helpful hint which may help the tuning process go a little quicker and easier The Christmas Tree with the Yellow Light lit up shows a caution item which deserves your careful attention The Christmas Tree with the Red Light and Exclamation Point shows a warning item which could create a hazardous condition if not respected 2 0 GENERAL 2 1 Identification Engine amp Serial Numbers The identification number can be found stamped onto the cha
3. Road Test Everyone who likes driving on a race track but is limited due to the associated costs will be happy to know that the SF 1 Formula car allows you to do just that with your own formula car at drastically reduced costs All you need to do is provide transportation to take the car to the track and all that is left is driving it This car is built to withstand regular track conditions that enable you to take it out for a weekend of fun The tires can be interchanged between slicks and wet slicks depending on the weather conditions Please be advised that this vehicle is NOT for use on commercial roads Driving this vehicle on a commercial road can lead to a large fine and possible prosecution 10 5 0 SUSPENSION TUNING Sel Suspension Overview amp Layout The SF 1 car uses Formula 1 inspired race proven technology to ensure excellent handling under normal track conditions The suspension layout including both purchased and custom designed parts has been engineered as a holistic system with fast response high strength and maximum stability in mind The suspension system has also been painstakingly thought out for easy modification and chassis tuning between race events The car rests on a four wheel independent suspension in particular the double wishbone geometry which has been the staple of high profile Formula 1 teams for decades In addition the geometry has been designed for maximum stability under the high la
4. engine and transmission The Engine amp Transmission capacity is 3 quarts and should be periodically inspected and changed for signs of wear on the engine or oil contamination During the race season oil should be changed after every race Oil Filter A K amp N 303 Oil Filter should be replaced during each oil change to prolong engine life As a precaution the old oil filter should be cut in half to inspect debris if any that have been trapped in the filter Fuel Tank The fuel tank is fabricated out of aluminum sheet metal and pressure tested to ensure a leak proof containment The filler of the fuel tank is located on the left side of the vehicle behind the drivers shoulder The fuel tank itself is located under the seat of the driver Unleaded 93 Octane should be used as the primary fuel for the YZF600 engine Fuel additives can be used but should be used at your own discretion The maximum fuel capacity is 2 US Gallons Fuel Pump The fuel pump is located in the top of the fuel tank in case of the need for replacement Reference the stock fuel pump for the 94 95 YZF 600 Engine Fuel Filter The inline fuel filter is located directly beneath the carburetors and should be inspected every race and replaced every 5 races 19 Air Cleaner The K amp N air cleaner should be inspected after every race and cleaned under cold water if found to be soiled A recharge kit may be used to restore the air filter in the case that it is hea
5. Department of Mechatronic Systems Engineering S F 1 Simon Fraser University 250 13450 102 Avenue Surrey BC V3T 0A3 250 13450 102 Avenue Surrey British Columbia V3T 0A3 Maureen Hindy Faculty of Applied Science School of Mechatronic Systems Engineering Simon Fraser University Surrey Central City Galleria 4 2 July 2013 Dear Ms Hindy Please accept the accompanying document entitled SF 1 Mechanical Division Technical Manual This submission is to fulfill the appropriate course requirement for MSE 411 The technical manual will give an in depth understanding to SFU s Formula SAE team in using tuning and maintaining the SF 1 car The intended audience is the end user of the SF 1 car As such the manual is mainly concerned with maintenance tuning and customization However we also added operational guidelines where appropriate these items may be confused with content similar to what would be found in a user manual but were included when the end user would find them applicable or helpful Sincerely SF 1 Mechanical Division Spencer Steele George Ioannou Batuhan Atalay Richard Douglas Ph 604 785 7060 www SFlengineering com SF 1 Engineering f formula sfu ca SF1engineering SF 1 Mechanical Technical Manual 2 July 2013 Spencer Steele 301088654 George Ioannou 301092041 Batuhan Atalay 301099145 Richard Douglas 301093301 TABLE OF CONTENTS 1 0 How to Use This Manual 2 0 Ge
6. ck White lithium or regular chassis grease can be used to supply lubrication to the steering rack Suspension Rod Ends These should be greased regularly depending on the duration and frequency of race events A general rule would be to grease the rod ends before a major race event or twice per season whichever comes first SF 1 recommends Extreme Pressure chassis grease or gold grease Be sure to wipe excess grease off the rod ends with a rag 20 6 4 Tire Type and Pressure For different track conditions varying types of tires slicks are recommended Wet Conditions Avon 6 2 20 0 13 Slick and Wet cut A45 Compound 7 2 20 0 13 Slick and Wet cut A45 Compound 8 2 20 0 13 Slick and Wet cut A45 Compound Hoosier 20 0 x 7 5 13 WET Compound 44150 21 0 x 6 5 13 WET Compound 44185 Dry Conditions Hoosier 20 5 x 7 0 13 R25B Compound 43162 20 0 x 7 5 13 R25B Compound 43169 Goodyear 20 5 x 7 0 13 D2704 Compound 20 0 x 7 5 13 D2704 Compound In all situations tire installation and wheel balancing should be performed by a trained professional Tire pressure is rated at 35psi maximum and should be checked prior to every track driving session to ensure maximum performance and minimum fuel consumption will be attained Tires should also be rotated every 2 races and checked every race for wear 21 6 5 Running In Period After every race Check amp Change Fluid in Engine transmission Differential case Che
7. ck tightness of Cylinder head bolts Exhaust and intake bolts Chain tension Suspension control arm bolts Wheel nuts Check for leaks and Top up if necessary Brake master cylinders amp brake lines Fox shock fluid reservoirs Radiator wait to cool before removing pressure cap Battery Also Check change Proper operation of brake light Tire wear Change all spark plugs Check old plugs for correct colouring and heat range Spark plugs can tell a tuner a lot about the engine s operating conditions See references 4 and 5 to if you are unsure about reading your plugs and for information on correct heat ranges 22 7 0 REFERENCES 1 Scott E Clymer Yamaha YZF R1 1998 2003 Kansas PRIMEDIA 2004 2 Everitt C How to Repair your Motorcycle St Paul Minnesota MOTORBOOKS 2007 3 SF 1 Electrical The Racer s Edge User Manual Vancouver BC 2013 4 NGK Inc How do I read a spark plug Website lt http www ngksparkplugs com tech_support spark_plugs faqs faqread asp gt 5 Dan s Motorcycle Repair Spark Plugs Heat Ranges Website lt http www dansmc com sparkplugs 1 htm gt 23
8. e alignment must be set in the following order Ride height and spring rate Rear caster and camber Front caster and camber Front toe Final alignment amp safety check Ae SN Before chassis tuning ensure the entire weight of the car is supported by the wheels Turn the steering wheel to the straight ahead position and have an assistant hold it securely or otherwise clamp the steering wheel in that position The alignment should be set with the car as close as possible to its race day setup with a full tank of fuel and a driver or suitably heavy ballast in the driver s seat and tires at operating pressure 12 Only approved alignment equipment and an operator trained in its use should be used to align any car 5 2 1 Ride Height 1 Measure the ride height with a driver or suitable ballast in the driver s seat and all fluids in the car that would normally be used during a race event fuel oil coolant etc 2 Measure the distance from the ground to the bottom of the lowest frame rail on the applicable corner of the car 3 To adjust height loosen the ride height adjustment cam nut 4 Turn the ride height adjustment cam bolt to raise or lower the suspension Have an assistant check ride height at the applicable corner while adjusting 5 Tighten the ride height adjustment cam nut 6 Re check that ride height is within spec 5 2 2 Spring Rate The spring rate must be checked with the car
9. e mounting bolts using new Ny Loc nuts and washers 15 5 2 5 Toe Before adjusting toe ensure the steering wheel is centered and secured in the straight ahead position 1 Loosen the tie rod end clamps 2 Turn tie rod sleeves to lengthen lengthen each tie rod as required 3 Re check that toe is within specification as shown in the table below 4 Tighten tie rod end clamps 5 2 6 Final Safety Check After chassis adjustment is complete a final safety check should be conducted These steps may be completed in any order but are necessary before starting a race event Failure to complete a thorough safety check as outlined here may result in unsafe vehicle behaviour during performance oriented driving e Check that all suspension hardware is torqued to specification e All safety critical hardware uses either Ny Loc nuts or castle nuts with a cotter pin Check that all Ny Loc nuts are installed appropriately with at least 2 bolt threads exposed out the open end of the nut Check that a cotter pin is installed in all castle nuts e Grasp all control arms push rods and coil overs by hand and shake them vigorously to check for excessive play Repair or replace any loose components as required Record all suspension alignment settings before and after making changes to chassis tuning and keep track of the performance changes 16 5 3 Alignment amp Suspension Specifications Alignment Specifications Item M
10. in Spec Max Spec Notes Front Caster 5 0 deg 8 0 deg L R must be within 0 5 deg Front Camber 1 5 deg 2 5 deg L R must be within 0 5 deg Front Toe 1 16 toed in Rear Caster zero deg 0 5 deg Rear Camber 5 0 deg 8 0 deg L R must be within 0 5 deg Rear Toe zero inches Non adjustable Front Ride Height 2 0 3 0 Rear Ride Height 2 3 5 Chassis Tuning Specifications Item Spec Notes Spring Rate Test 100 Ib Ballast weight 0 33 Approximate Jounce Spring Rate 500 Ib in Fox spec Table 2 Suspension Alignment Specifications 17 6 0 LUBRICATION amp OTHER MAINTENANCE 6 1 Routine Maintenance Various measures were taken by the SF 1 team to simplify the maintenance process as much as possible Firstly the chassis of the car can be disassembled into 2 separate pieces The rear subframe securing the engine powertrain etc is bolted onto the front half and can be disassembled in a matter of minutes This allows the rear half of the frame once all of the component bolts are removed can be simply lifted off the ground This provides easy access to the engine transmission and power train components Due to the light weight of the chassis it was deemed that it would be much easier to simply lift the chassis of the engine as opposed to lifting the engine out from the chassis With this method it is also easier for you to access the powertrain and the exhaust Secondly in the driver s compartment the layout is simi
11. l arm length To increase positive caster lengthen the front rod ends of the upper control arm while shortening the rear rod end of the lower control arm or shorten the rear rod ends of the upper control arm while lengthening the front rod end of the lower control arm To increase negative caster reverse these directions 1 Use an open end wrench to loosen rod end jam nut 2 Remove thru bolt from appropriate control arm mount 3 Turn rod end according to guidelines above Note The rod end must be re installed with the thru bolt orientated horizontally to re attach to the mount Thus the rod end can only be adjusted by multiples of 2 turn which corresponds to a change in length of 1 40 inch 4 Align rod end with mount holes and re install thru bolt Use washers to shim up either side of the rod end spacer to prevent binding Install washers and a new Ny Loc nut 5 Re check caster and camber angles repeat steps 2 4 as necessary 6 Securely torque thru bolt with the new Ny Loc nut Tighten rod end jam nut To shim control arm mount 1 Loosen the two bolts connecting mount to frame rail 2 Remove or install shims between the angled shim and the frame rail according to the guidelines above Ensure the slot in the shim faces downwards Note The angled shim must not be removed 3 Snug up the two bolts connecting mount to frame rail 4 Re check camber and caster angles repeat steps 2 3 as necessary 5 Securely torque th
12. lar to an F 1 car Equipped with a quick release steering wheel that allows removal within seconds it provides access to the electronics bay The side body panels and 6 point harness can easily be removed from the mounting brackets on the inside of the driver s compartment as well The front nose cone of the vehicle holds the impact attenuator and can be removed to provide access to the gas and brake pedals should any repairs or replacements need to be done The engine has an abundance of maintenance information online from various Yamaha resources It is integrated with a 6 speed transmission that is outlined in the gear ratio section A picture of the model installed in the car can be seen in Figure 1 SF 1 is composed of core members that are firm believers of our product having a long life cycle If you ever have an issue with the vehicle that you feel uncertain or unsafe repairing you will always be able to bring the car into the university to have it looked at Figure 6 Yamaha YZF 600 Engine 18 by the team or have a member commute to your location to help with any maintenance 6 2 Running In Speeds During the first 5 kilometers of driving do not exceed 60 km h Avoid long periods of idling and do not over rev the engine Never overload the engine and change down to a lower gear when necessary and avoid fierce acceleration 6 3 General Data Engine Mobil 1 or Royal Purple Synthetic 1040 Oil should be used in the
13. minimum strain and loading on the driver Performance testing was done on the car in accordance to the rulebook as well In the table below you will find a brief summary on the performance testing the team conducts on the car Acceleration Testing to measure the acceleration of the vehicle 0 60mph Multiple runs were performed and the average time was taken Skid pad Measures the cornering ability of the car on a flat surface while making a constant radius turn The car was driven in a circular manner in between set cones to determine the maximum speed and G forces attained Autocross This tests all aspects of the vehicle Braking accelerating constant turns hairpin turns etc Endurance and Similar to an autocross event but over a longer track 22km vs the Efficiency 1km for autocross that tests engine performance fuel consumption comfort and drivability of the car over extended lengths of time Details of the testing including timed results track mock ups and videos can be found on the team website www SF lengineering com A special note should be made that the fuel injection system that the vehicle has installed was also designed by university students that conducted research on current industry technologies and applied any necessary changes that improved fuel delivery to the engine 4 2 Safety Testing The SF 1 Formula car has been rigorously tested to ensure user safety Using our 3D modeling software SolidWorks we
14. mounted brake light that switches on whenever the car is on and the brakes are applied Brake over travel switch an automatic switch which kills the engine and fuel pump in case of the brake pedal over travelling Master Switches The vehicle is equipped with two master switches which perform the shutdown procedure Primary Master Switch located on the driver s right side of the vehicle near the Main Hoop It disables all power to all electrical circuits including the battery alternator lights fuel pumps ignition and electrical controls Cockpit Mounted Master Switch ON OFF switch which enables disables power to the ignition and the fuel pump Transponder The race car is equipped with a power transponder for measuring lap times located on the driver s rights side forward of the front roll hoop Digital Display Located on the digital display unit this turns the digital display unit on and off Data Logging enables data logging from the digital display unit it can be set while the digital display unit is active 25 Body SF 1 Bodies can come in two configurations The standard configuration is aircraft grade polished aluminum skinning while the performance option includes vacuum molded carbon fiber 2 6 Electrical System The electrical system is powered by a 12 volt lithium ion battery made by Shorai Figure 1 Shorai Lithium lon Battery While the vehicle is running the battery is charged by
15. neral 2 1 Identification Engine amp Serial Numbers 2 3 Modifications 2 4 Instruments amp Controls 2 5 Body 2 6 Electrical System 3 0 Powertrain Specifications amp Maintenance 3 1 Engine amp Transmission 3 2 Gear Ratios 4 0 Performance Safety and Other Testing 4 1 Performance Testing 4 2 Safety Testing 4 3 Road Test 5 0 Suspension Tuning 5 1 Suspension Overview amp Layout 5 2 Suspension Tuning amp Alignment 5 2 1 Ride Height 5 2 2 Spring Rate 5 2 3 Camber angle 5 2 4 Caster angle 5 2 5 Toe 5 2 6 Final Safety Check 5 3 Alignment amp Suspension Specifications 6 0 Lubrication amp Other Maintenance 6 1 Routine Maintenance 6 2 Running In Speeds 6 3 General Data 6 4 Tire Type and Pressure Wet Conditions Dry Conditions 6 5 Running In Period 7 0 References O SV o ADD FPWWN WV e e e e eem m UUAA BPW WN e N N e Fee e OO oo o N N N e N W LIST OF FIGURES Figure 1 Shorai Lithium Ion Battery Figure 2 Shorai Charger Figure 3 Main Starter Relay amp Fuse Block Figure 4 Yamaha 600cc Liquid Cooled 4 Cylinder Figure 5 Driven sprocket with rear brake caliper Figure 6 Yamaha YZF 600 Engine LIST OF TABLES Table 1 Suspension Components Materials Table Table 3 Suspension Alignment Specifications ii NYDN Ua A A 12 17 1 0 How TO USE THIS MANUAL This technical manual is designed for automotive enthusiasts tuners and drivers of the SF 1 race
16. performed analytical testing on all the components of the vehicle Every aspect of the car was tested to ensure it would not fail and that if any issues were to arise that they did not endanger the driver in any way Due to the team competing in professional events there are certain criteria that need to be fulfilled in order for the team to be able to compete The organizers provide a list of loading conditions that are to be implemented and tested on the model The list includes loading on the main roll hoop front bulkhead secondary roll hoop torque testing on the drive sprocket and brakes suspension arms and many more Documentation of all the testing is provided to the event organizers and if they feel that the car does not fulfill the criteria then it is not allowed to race The list of loading conditions in addition to any other requirements for the competition can be found online at http students sae org competitions formulaseries rules In addition and although not required by the competition testing was also conducted on the 6 point harness that is installed on the car Using Madymo a worldwide standard software for analysing and optimizing occupant safety designs the car seat was recreated and testing was performed to ensure that the driver s body did not undergo any unnecessary loading Furthermore it lead to the design of the head cushion placed at the top of the seat that improves driver comfort and minimizes whiplash 4 3
17. resting on the ground not on jack stands service jack or other hoisting apparatus Check that tire pressure is the same as it would be on a track day 1 Measure ride height from the ground to a frame rail at the applicable corner of the chassis 2 Apply a suitable ballast to the applicable corner of the chassis Use the specifications table at the end of this section for reference 3 Re measure the ride height to get an appropriate spring displacement 13 5 2 3 Camber angle Camber angle should be set to the specification range in the table at the end of this section The camber angle may be changed in one of two ways by lengthening the control arms or shimming out the mounts The recommended procedure is to set the control arm lengths to get as close as possible to specification and shim the mounts for fine adjustments or chassis tuning between track events Note Adjusting the caster angle will slightly change the camber angle and vice versa The two must be set simultaneously with toe set after these two To set control arm length To increase positive camber lengthen both ends of the upper control arms turn rod ends counter clockwise or shorten both lower control arms turn rod ends clockwise To increase negative camber reverse these directions 1 Use an open end wrench to loosen rod end jam nut 2 Remove thru bolt from appropriate control arm mount 3 Turn rod end according to guidelines above No
18. ssis tube located close the drivers left shoulder Explanation of Identification Number i e The current chassis number SF 1 14 SF Simon Fraser 1 Iteration of cars produced at Simon Fraser 14 Year of competition Engine Number The engine number is stamped on the right side of the transmission casing and can be used to assist part identification 22 Dimensions amp Weights Exterior Dimensions Wheelbase 81 Front track 55 Rear Track 53 Interior Dimensions The car was designed to accommodate drivers up to 6 8 and up to a maximum of 225 Ibs The seat is custom molded to the driver of the car and reproduced in carbon fibre for the ultimate in comfort support and weight savings The pedals are adjustable to accommodate different body types Weights Dry Weight 492 lbs Wet Weight 522 lbs 23 Modifications Modifications should be limited to consumables i e brake pads rotors oil fuel fluids etc As all the structural members of the race car have gone through FEA analysis any modifications to the structure should be performed by professionals and backed by extensive study and analysis It is advisable to get in contact with SF 1 for modification concerns 2 4 Instruments amp Controls The main controls of the vehicle are located in the instrument cluster in front of the driver There are safety features as well as driving features Brake Light The race car is equipped with an automatic center
19. te The rod end must be re installed with the thru bolt orientated horizontally to re attach to the mount Thus the rod end can only be adjusted by multiples of 1 2 turn which corresponds to a change in length of 1 40 inch 4 Align rod end with mount holes and re install thru bolt Use washers to shim up either side of the rod end spacer to prevent binding Install washers and a new Ny Loc nut 5 Re check caster and camber angles repeat steps 2 4 as necessary 6 Securely torque thru bolt with the new Ny Loc nut Tighten rod end jam nut To shim control arm mount 1 Loosen the two bolts connecting mount to frame rail 2 Remove or install shims between the angled shim and the framerail according to the guidelines above Ensure the slot in the shim faces downwards Note The angled shim must not be removed Snug up the two bolts connecting mount to frame rail Re check camber and caster angles repeat steps 2 3 as necessary Securely torque the mounting bolts using new Ny Loc nuts and washers Di 14 5 2 4 Caster angle Caster angle should be set to the specification range in the table at the end of this section The caster angle may be changed in one of two ways by lengthening the control arms or shimming out the mounts The recommended procedure is to set the control arm lengths to get as close as possible to specification and use mount shims for fine adjustments or chassis tuning between track events To set contro
20. teral and longitudinal loading hard cornering and braking while providing adequate driver input The shock spring coilovers are actuated via a custom built pushrod and bell crank linkage which alleviates all theoretical moments from the wishbones This allows the coilovers to be mounted inboard of the suspension and the control arms to be built out of lighter material both of which reduce the suspension s unsprung mass Spherical bearings and rod ends are all made from alloy steel and use greasable bronze bushings necessary for high loading applications and long service life For quick reference on the materials used for major suspension components refer to the table below 11 Front Rear Suspension Component Material Suspension Component Material Control Arm Upper SAE1020 Control Arm Upper SAE1020 Control Arm Lower SAE1020 Control Arm Lower SAE1020 Bell Crank 6061 Billet Bell Crank 6061 Billet Push Rod SAE1020 Push Rod SAE1020 Upright 6061 Billet Upright 6061 Billet Spherical Bearings body Alloy Steel Spherical Bearings body Alloy Steel bushing Phosphor Bronze bushing Phosphor Bronze Rod Ends body Alloy Steel Rod Ends body Alloy Steel bushing Phosphor Bronze bushing Phosphor Bronze Table 1 Suspension Components Materials Table 5 2 Suspension Tuning amp Alignment The following section outlines the procedure for setting suspension alignment chassis tuning in the SF 1 car Th
21. the alternator driven by the engine When not in use the battery should be left on charge using the supplied Shorai battery charger Figure 2 Shorai Charger All of the components of the car are protected using a fuse block mounted off the side of the battery If troubleshooting electrical problems be sure to check this first Figure 3 Main Starter Relay amp Fuse Block 3 0 3 1 Engine amp Transmission POWERTRAIN SPECIFICATIONS amp MAINTENANCE The engine was originally purposed for a 1994 95 Yamaha 600 YZF It features four cylinders that are water cooled and fed by 4 separately synchronized carburetors The transmission is encased with the engine and is described as a 6 speed sequential Type Bore and Stroke Compression Ratio Induction Ignition Starting Power Torque Transmission Drive Average Fuel Consumption 4 Cylinder 4 Stroke Liquid cooled DOHC 4 valves per cylinder 62 x 49 6 mm 12 0 1 4x 36mm Keihin CV Downdraft Carburetors Capacitive Discharge Ignition CDI 100 bhp 72 9 kW 11500 rpm 65 7 Nm 9500 rpm 6 Speed Sequential Chain 16 4 km litre Figure 4 Yamaha 600cc Liquid Cooled 4 Cylinder 3 2 The 6 speed transmission in the 1995 Yamaha YZF600R engine features the following gear Gear Ratios ratios 1 gear 2 gear 3 gear 4 gear 5 gear 6 gear 37 13 37 19 34 22 28 21 25 21 29 27 2 85 1 1 95 1 1 55 1 1 33 1 1 19 1 1 07 1
22. vily soiled Follow the manufacturer s directions included in the kit Cooling System The cooling system is comprised of two dual aluminum radiators mounted in front of each of the rear wheels and one reservoir tank Before each race the fluid level should be checked and topped up if necessary Use straight water with no additives for race purposes If being winterized an antifreeze or winterizing solution can be used but should be thoroughly drained prior to the race season The capacity of the coolant system is 4 US Gallons Differential A GL 4 or GL 5 gear oil is required by Torsen Type 1 units A 75W 90 is recommended but higher or lower viscosities can be used if they meet GL 4 or GL 5 specification Either synthetic or conventional oils can be used as well The oil capacity of the Torsen Housing is 1 US quart 0 964 1 Brakes DOT 4 Brake fluid from a sealed container should only be used to bleed or top up the braking system The front and rear braking system is separate and must be bled as such Fox Vanilla R Shocks The Fox Vanilla shocks are originally designed for performance mountain bikes however they are still highly advanced modification is not recommended by anyone other than Fox Service Representative Chain Forward Powersports 530 O ring motorcycle chain is utilized chain lubrication is not needed or recommended If the chain shows signs of wear replace it with a new O ring chain right away Steering Ra

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