OWNER’S MANUALSNOWMOBILESXV70GSXV70ERG8EK-28199-10LIT-12628-02-22PRINTED ON RECYCLED PAPERPRINTED IN JAPAN2001 · 4 - 2.5 × 1 CR
1-3CW-03EU8EK10.book Page 3 Tuesday, June 26, 2001 4:35 PM
1-4ESU00005 YAMAHA EXTENDED SERVICE (Y.E.S.)CW-10EU8EK10.book Page 4 Tuesday, June 26, 2001 4:35 PM
2-1ESU00007 2-LOCATION OF THE IMPORTANT LABELSPlease read the following labels carefully before operat-ing this snowmobile.NOTE:@ Maintain or replace
3-1ESU00009 3-SAFETY INFORMATIONWhen you ride your snowmobile, you must know and usethe following for your safety. Severe injury or death mayresult if
3-27. Do not allow anyone to stand behind the snowmobilewhen starting, inspecting, or adjusting the snowmo-bile. A broken track, track fittings, or de
3-33. This snowmobile is not designed for use on surfacesother than snow or ice. Use on dirt, sand, grass,rocks, or bare pavement may cause loss of co
4-1ESU000124-DESCRIPTION1Windshield2Steering handlebar3Seat4Frame5Slide rail suspension6Drive track7Skis8Headlight9ShroudU8EK10.book Page 1 Tuesday,
4-20Storage compartmentATail/brake lightBSnow flapCBrake leverDParking brake leverEHeadlight beam switchFEngine stop switchGThrottle leverHDrive selec
5-1ESU00013 5-CONTROL FUNCTIONSESU00256 Main switchThe main switch controls the following items.1“OFF” The ignition circuit is switched off. The key c
5-2ESU00020 Starter lever (choke)Use the starter lever (choke) when starting and warmingup a cold engine.1Starter lever (choke) 2When starting a cold
5-3WARNING@ ●If the T.O.R.S. is activated, make sure that thecause of the malfunction has been corrected andthat the engine can be operated without a
5-4ESU00291Speedometer unitThe speedometer unit is equipped with the following:●a digital speedometer (which shows riding speed)●an odometer (which sh
5-5ESU00295Fuel meterThe fuel meter has eight segments 1 which show theamount of fuel remaining in the fuel tank. As the fuel leveldecreases in the fu
5-6ESU00288 Oil level warning indicatorIf the oil level falls below the minimum level, the oil levelwarning indicator 1 and the warning light 2 come o
5-7ESU00290 Self-diagnosis warning indicatorThe self-diagnosis warning indicator indicates a malfunc-tioning sensor, disconnected coupler, broken lead
5-8CA-10ENo. Self-diagnosis warning indicator and warning light flash patterns1Warning indicator and warning light flash continuously in this pattern.
5-9ESU00031 Engine stop switchThe engine stop switch 1 is used to stop the engine inan emergency. Simply push 2 the stop switch to stop theengine. To
5-10ESU00035Parking brake leverWhen parking the snowmobile or starting the engine,apply the parking brake by moving the brake lever 1 tothe left. To r
5-11ESU00039Headlight beam switchPush the headlight beam switch to change the headlightbeam to high or low.1Headlight beam switch 2Push 3High beam 4Lo
5-12ESU00048 Shroud latchesTo open the shroud, unhook the shroud latches, and thenslowly raise the shroud forward until it stops. When clos-ing the sh
ESU002861-MACHINE IDENTIFICATIONIdentification number recordsA. FRAME NUMBER:CZ-01EB. ENGINE NUMBER (PRIMARY ID):CZ-01EC. KEY NUMBER:CZ-01ERecord the
5-13ESU00053 V-belt holdersKeep a spare V-belt for emergency use by placing it intothe V-belt holders provided.CAUTION:@ Make sure that the V-belt is
–MEMO–U8EK10.book Page 14 Tuesday, June 26, 2001 4:35 PM
6-1ESU000726-PRE-OPERATION CHECKSNOTE:@ Pre-operation checks should be made each time thesnowmobile is used. @WARNING@ The engine and muffler will be
6-2age. Consult a Yamaha dealer. Gasohol contain-ing methanol is not recommended. ●Make sure that snow or ice does not enter the fueltank when refueli
6-3ESU00087 Throttle leverCheck the throttle lever operation before starting theengine. The throttle lever must open smoothly and spring back toits ho
6-4ESU00091 Brake1. Brake lever Test the brake at a low speed when starting out tomake sure that it is working properly. If the brakedoes not provide
6-5ESU00093Brake fluid leakageApply the brake for a few minutes. Check to see if anybrake fluid leaks out from the brake hose joints or themaster cyli
6-6ESU00097Drive trackCheck the drive track for deflection, wear, or damage. Adjust or replace if necessary. (See pages 8-24–8-26 formore details.)WAR
6-7ESU00102 Skis and ski runnersCheck the skis and ski runners for wear and damage.Replace if necessary.CAUTION:@ Avoid scratching the skis when loadi
6-8ESU00106BatteryFor SXV70ERCheck the fluid level and fill if necessary. Use only distilled water if refilling is necessary. (Seepage 8-29 for more d
ESU00001 2-INTRODUCTIONCongratulations! Your choice of a Yamaha snowmobileassures you of the highest quality and dependability.Your Yamaha snowmobile
6-9ESU00110Fittings and fastenersCheck the tightness of the fittings and fasteners. Tighten in proper sequence and torque if necessary. ESU00111Tool k
7-1ESU00112 7-OPERATIONESU00281Starting the engineWARNING@ ●Be sure to check the “SAFETY INFORMATION”section carefully before starting the engine. ●Ma
7-2Electric starting model For SXV70ER2. Turn the main switch to the “START” position. Afterthe engine starts, put the starter lever (choke) in thehal
7-33. Mesh the rope stopper with the edge of the primarysheave assembly.1Rope stopper 2Primary sheave assembly edge4. Wind the rope counterclockwise t
7-4ESU00126 Break-inThere is never a more important period in the life of yoursnowmobile than the break-in period. For the first10 hours, approximatel
7-5ESU00127 Riding your snowmobileGetting to know your snowmobileA snowmobile is a rider active vehicle, and your ridingposition and your balance are
7-6To start out and accelerate1. With the engine idling, release the parking brake. 2. Apply the throttle slowly and smoothly. The V-beltclutch will e
7-7Remember:Avoid higher speeds until you are thoroughly familiar withthe operation of your snowmobile.Riding uphillYou should practice first on gentl
7-8Traversing a slopeWARNING@ Traversing slopes is not recommended for a novicesnowmobiler. @Traversing a slope requires you to properly position your
7-9Operation on surfaces other than snow or iceOperation of your snowmobile on surfaces other thansnow or ice should be avoided. Operation under suchc
WARNING@ PLEASE READ AND UNDERSTAND THIS MANUALCOMPLETELY BEFORE OPERATING THE SNOWMO-BILE.@NOTE:@ ●Yamaha continually seeks advancements in productde
7-10ESU00251Maximizing drive track lifeRecommendationsTrack tensionDuring initial break-in, the new drive track will tend tostretch quickly as the tra
7-11ESU00135 DrivingWARNING@ Be sure to read the “SAFETY INFORMATION” and“Riding your snowmobile” sections carefully beforeoperating the snowmobile. @
7-122. Release the parking brake by moving the parkingbrake lever to the right. 3. Press the throttle lever slowly to move the snowmo-bile. 4. Turn th
7-13ESU00138TransportingWhen transporting your snowmobile on a trailer or in atruck, observe the following recommendations to helpprotect it from dama
8-1ESU00139 8-PERIODIC MAINTENANCEESU00140Periodic maintenance chartRegular maintenance is most important for best performance and safe operation.CD-0
8-2∗Exhaust systemCheck for leakage. Tighten or replace gasket if necessary.●∗Decarbonization More frequently if necessary.●Drive guardCheck for crack
8-3NOTE:@ Brake fluid replacement: 1. When disassembling the master cylinder or caliper cylinder, replace the brake fluid.Normally check the brake flu
8-4ESU00142 Tool kitThe owner’s tool kit has the tools which are sufficient formost periodic maintenance and minor repair. A torquewrench is also nece
8-5Spark plugs are produced in several different threadlengths. The thread length or reach is the distance fromthe spark plug gasket seat to the end o
8-6ESU00147Throttle cable adjustmentCAUTION:@ Be sure to adjust the engine idle speed first. @1. Loosen the locknut.2. Turn the adjuster in or out unt
ESU00003 CONTENTSYAMAHA MOTOR CORPORATION, U.S.A. SNOWMOBILE LIMITED WARRANTY...1-1YAMAHA EXTENDED SERVICE (Y.E.S.
8-7ESU00150 Carburetor adjustmentCAUTION:@ ●Be sure to have a Yamaha dealer make thisadjustment. ●Make sure that the carburetor silencer is installedd
8-8Jet needle adjustmentAdjust the jet needle by changing its clip position accord-ing to the setting chart which is available at a Yamahadealer.CD-03
8-9CD-04E1. Loosen the carburetor clamps and remove the carbu-retor. 2. Pinch the fuel hose to prevent fuel flowing. 3. Remove the drain plug and inst
8-10ESU00157 High altitude adjustmentsOperating at high altitude reduces the performance of agasoline engine to about 3% for every 305 m (1,000 ft) of
8-11ESU00161 Cooling systemAir bleeding the cooling systemWARNING@ ●Do not remove the coolant reservoir cap whenthe engine is hot. Scalding hot fluid
8-12Coolant replenishment1. Remove the coolant reservoir cap and pour the cool-ant to the “COLD LEVEL” mark.1“COLD LEVEL” mark 2Coolant reservoir cap2
8-13ESU00166 V-belt replacementWARNING@ When installing the new V-belt, make sure it is posi-tioned from 1.5 mm (0.06 in) above the edge of theseconda
8-143. Pull 3 the V-belt up over the secondary fixed sheave.4. Remove the V-belt from the secondary sheaveassembly and primary sheave assembly. 5. Put
8-158. Install the V-belt over the primary sheave assembly.9. Rotate the secondary sliding sheave clockwise 6and push 7 it so that it separates from t
8-16ESU00171Checking the oil level of the drive chain housingWARNING@ The engine and muffler will be very hot after theengine has been run. Avoid touc
Maximizing drive track life ...7-10Driving ...7-11Stopping the engine...7-12Tran
8-174. Reinstall the dipstick and fit the loop 4 of the dipstickhandle onto the projection 5 of the gear case.Chain tension adjustment1. Loosen locknu
8-18AdjustmentAs the parking brake pads wear, adjustment may be nec-essary to ensure proper brake performance.WARNING@ Be sure to have a Yamaha dealer
8-19ESU00181Brake fluid replacementBrake fluid replacement is necessary when the followingcomponents are replaced during the periodic mainte-nance or
8-20ESU00237 Ski spring preload adjustmentThe spring preload can be adjusted by turning the springpreload adjuster 1.CD-11ECAUTION:@ The left and righ
8-21ESU00195 Rear suspension spring preload adjustmentThe rear suspension is equipped with two shock absorb-ers. One is in the front 1 and the other i
8-22ESU00197Rear suspension full rate adjustmentThe total suspension spring rate and damping character-istics can be adjusted by changing the installe
8-23ESU00292Control rod adjustmentThe weight transfer can be adjusted by turning the con-trol rod adjusting nut 1.1. Loosen the locknut 2 while holdin
8-24ESU00199Drive track adjustmentWARNING@ A broken track, track fittings or debris thrown by thedrive track could be dangerous to an operator orbysta
8-25Drive track adjustmentWARNING@ ●Be sure to have a Yamaha dealer make thisadjustment. ●Support the snowmobile securely on a suitablestand before wo
8-26CAUTION:@ JcThe right and left adjusters should be turned to anequal amount. @6. Recheck alignment and deflection. If necessary,repeat steps 3 to
1-1ESU000041-YAMAHA MOTOR CORPORATION, U.S.A. SNOWMOBILE LIMITED WARRANTYCW-01EU8EK10.book Page 1 Tuesday, June 26, 2001 4:35 PM
8-27ESU00247LubricationLubricate the following points.1Throttle cable endsWARNING@ Apply a dab of grease onto the cable end only. Donot grease the bra
8-28ESU00208 Headlight bulb replacement1. Lift up the shroud. 2. Disconnect the headlight connector. 3. Remove the bulb holder cover. 4. Remove the bu
8-29ESU00213BatteryFor SXV70ERReplenishing the battery fluid1. Check the fluid level. The level should be between theupper and lower level marks.a“UPP
8-30ESU00282Fuse replacementFor SXV70ERWARNING@ Be sure to use the specified fuse. A wrong fuse willcause electrical system damage and A FIRE HAZ-ARD.
9-1ESU002949-TROUBLESHOOTINGA. Engine turns over but does not start1. Fuel systemNo fuel supplied to combustion cham-ber ●No fuel in tank ... Supply f
9-22. “Hydrolock” occurs when fuel has filledthe crankcase when the vehicle hasbeen transported. ... Remove the sparkplugs and turn the engine over se
9-3K. Noise or excessive vibration in drivechain and sprockets 1. Broken V-belt clutch components ...Ask a Yamaha dealer to inspect. 2. Worn or damage
10-1ESU00252 10-STORAGELong term storage requires some preven-tive procedures to guard against deteriora-tion.1. Cleaning Thoroughly clean the snowmob
10-2WARNING@ ●Never smoke around the batterywhile it is being charged. Sparksmay ignite the hydrogen gas createdby the battery. ●Never connect or disc
11-1ESU00228 11-SPECIFICATIONSESU00229 Dimensions CS-01EESU00230 EngineCS-02ESXV70/SXV70EROverall length 2,780 mm (109.4 in)Overall width 1,200 mm ( 4
1-2CW-02EU8EK10.book Page 2 Tuesday, June 26, 2001 4:35 PM
11-2ESU00231 ChassisCS-03ESXV70/SXV70ERDrive track and suspension:Track Molded rubber, fiber glass rod reinforcedWidth 381 mm (15.0 in)Track deflectio
11-3ESU00232 ElectricCS-04ESXV70/SXV70ERIgnition system DC-CDISpark plug Type BR9ES (NGK)Gap 0.7–0.8 mm (0.028–0.031 in)Battery Capacity GM18Z-3A/12 V
12-1ESU00233 1-WIRING DIAGRAMBB1c]\89:ADE645ZUVXSROMNPQBBFGHLIKJBR/WW/GW/GW/RWWWWWWRLBrBr/WL/ WYLgBGÉÊ_ab(10A)(10A)(20A)B/ WBr/WLg G/ROW BrGy Ch Y/RB/
12-21AC magneto2Rectifier/regulator3Condenser (SXV70)4Main fuse (SXV70ER)5Starter relay (SXV70ER)6Battery (SXV70ER)7Starter motor (SXV70ER)8Main switc
–MEMO–
OWNER’S MANUALSNOWMOBILESXV70GSXV70ERG8EK-28199-10LIT-12628-02-22PRINTED ON RECYCLED PAPERPRINTED IN JAPAN2001 · 4 - 2.5 × 1 CR
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