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Yamaha SXV70ERJ Owner's Manual

Summary of SXV70ERJ

  • Page 1

    Printed on recycled paper printed in japan 2003.04-0.8 ×1 cr (e) yamaha motor co., ltd. Owner’s manual snowmobile sxv70erj sxv70mj sxv70sj vt70j 8ek-28199-12 lit-12628-02-31.

  • Page 3: Machine Identification

    Esu00286 1- machine identification identification number records a. Frame number: cz-01e b. Engine number (primary id): cz-01e c. Key number: cz-01e record the frame number, engine number (primary id), and key number in the spaces provided for assistance when ordering spare parts from a yamaha deale...

  • Page 4: Introduction

    Esu00011 2- introduction congratulations on your purchase of a yamaha snowmo- bile. This model is the result of yamaha’s vast experience in the production of fine sporting and touring snowmo- biles. It represents the high degree of craftsmanship and reliability that have made yamaha a leader in thes...

  • Page 5: Warning

    Warning @ please read and understand this manual completely before operating the snowmo- bile. @ note: @ ● yamaha continually seeks advancements in product design and quality. Therefore, while this manual con- tains the most current product information available at the time of printing, there may be...

  • Page 6: Contents

    Esu00003 contents yamaha motor corporation, u.S.A. Snowmobile limited warranty .......................................1-1 yamaha extended service (y.E.S.) ...............................................1-4 location of the important labels .......................2-1 safety information ..................

  • Page 7

    Traversing a slope ...........................7-7 ice or icy surface .............................7-7 hard-packed snow...........................7-8 operation on surfaces other than snow or ice ......................................7-8 maximizing drive track life ...............7-9 strap ..............

  • Page 8

    1-1 esu00004 1- yamaha motor corporation, u.S.A. Snowmobile limited warranty cw-01e u8ek12.Book page 1 sunday, march 30, 2003 7:20 pm.

  • Page 9

    1-2 cw-02e u8ek12.Book page 2 sunday, march 30, 2003 7:20 pm.

  • Page 10

    1-3 cw-03e u8ek12.Book page 3 sunday, march 30, 2003 7:20 pm.

  • Page 11

    1-4 esu00050 yamaha extended service (y.E.S.) cw-05e u8ek12.Book page 4 sunday, march 30, 2003 7:20 pm.

  • Page 12: Location of The

    2-1 esu00007 2- location of the important labels please read the following labels carefully before operat- ing this snowmobile. Note: maintain or replace safety and instruction labels, as nec- essary. 1 sxv70m/sxv70s 1 sxv70er 1 vt70 u8ek12.Book page 1 sunday, march 30, 2003 7:20 pm.

  • Page 13

    2-2 2 3 4 sxv70m 5 sxv70m 6 sxv70m u8ek12.Book page 2 sunday, march 30, 2003 7:20 pm.

  • Page 14: Safety Information

    3-1 esu00090 3- safety information when you ride your snowmobile, you must know and use the following for your safety. Severe injury or death may result if you ignore any of the following. Before operating 1. Read the owner’s manual and all labels before oper- ating this snowmobile. Become familiar ...

  • Page 15

    3-2 7. Do not allow anyone to stand behind the snowmobile when starting, inspecting, or adjusting the snowmo- bile. A broken track, track fittings, or debris thrown by the track could be dangerous to the operator or bystanders. 8. Handle fuel with care; it is highly flammable. ● never add fuel when ...

  • Page 16

    3-3 3. This snowmobile is not designed for use on surfaces other than snow or ice. Use on dirt, sand, grass, rocks, or bare pavement may cause loss of control and may damage the snowmobile. 4. Avoid operating on glare ice, or on snow which has a lot of dirt or sand mixed in. Operation under such con...

  • Page 17: Description

    4-1 esu00012 4- description 1 windshield 2 steering handlebar 3 seat 4 passenger grip warmer switch (vt70) 5 frame 6 slide rail suspension 7 drive track 8 skis 9 headlight 0 shroud sxv70er/sxv70s sxv70m vt70 u8ek12.Book page 1 sunday, march 30, 2003 7:20 pm.

  • Page 18

    4-2 a storage compartment b tail/brake light c snow flap d side mirror (vt70) e brake lever f parking brake lever g grip warmer adjustment switch h headlight beam switch i strap (sxv70m) j engine stop switch k thumb warmer adjustment switch l throttle lever m shift lever (sxv70er/vt70) n starter han...

  • Page 19: Control Functions

    5-1 esu00013 5- control functions esu00256 main switch the main switch controls the following items. 1 “off” the ignition circuit is switched off. The key can be removed only in this position. 2 “on” the ignition circuit is switched on. The engine can be started. Note: @ the headlight, meter lights,...

  • Page 20: Warning

    5-2 esu00020 starter lever (choke) use the starter lever (choke) when starting and warming up a cold engine. 1 starter lever (choke) 2 when starting a cold engine. 3 warming up 4 when the engine is warm. Note: @ refer the “starting the engine” section for proper opera- tion. @ esu00022 throttle leve...

  • Page 21: Warning

    5-3 warning @ ● if the t.O.R.S. Is activated, make sure that the cause of the malfunction has been corrected and that the engine can be operated without a prob- lem before restarting the engine. ● be sure to use the specified spark plug and spark plug cap. Otherwise, the t.O.R.S. Will not work prope...

  • Page 22

    5-4 esu03810 speedometer unit the speedometer unit is equipped with the following: ● a digital speedometer (which shows riding speed) ● an odometer (which shows the total distance trav- eled) ● a tripmeter (which shows the distance traveled since it was last set to zero) ● warning indicators (which ...

  • Page 23

    5-5 esu03630 high beam indicator light the high beam indicator light 1 comes on when the high beams of the headlights are switched on. (see page 5-14 for headlight beam switch operation.) esu03820 fuel meter and grip/thumb warmer heat level indicator the fuel meter and grip/thumb warmer heat level i...

  • Page 24

    5-6 note: @ ● the grip warmer indicator 3 comes on and the dis- play switches to the grip warmer heat level when the grip warmer adjustment switch is pressed. ● the thumb warmer indicator 4 comes on and the display switches to the thumb warmer heat level when the thumb warmer adjustment switch is pr...

  • Page 25: Caution:

    5-7 esu00288 oil level warning indicator if the oil level falls below the minimum level, the oil level warning indicator 1 and the warning light 2 come on. If the oil level warning indicator and the warning light come on, add engine oil to the oil tank at the first oppor- tunity. Esu00289 coolant te...

  • Page 26: Warning

    5-8 esu03830 self-diagnosis warning indicator the self-diagnosis warning indicator indicates a malfunc- tioning sensor, disconnected coupler, broken lead, etc., when detected by the self-diagnosis device of the snow- mobile. The self-diagnosis warning indicator 1 and warning light 2 warn the rider o...

  • Page 27

    5-9 ca-15e no. Self-diagnosis warning indicator and warning light flash patterns 1 warning indicator and warning light flash continuously in this pattern. 2 warning indicator and warning light flash continuously in this pattern. 3 warning indicator and warning light flash continuously in this patter...

  • Page 28

    5-10 esu03840 “d.C.S.” (detonation control system) indicator light this snowmobile is equipped with a system which is able to detect and control engine detonations in order to pro- tect the engine from damage. The “d.C.S.” indicator light 1 flashes to inform the rider that the detonation control sys...

  • Page 29

    5-11 ca-16e no. “d.C.S.” indicator light flash patterns 1 light flashes continuously in this pattern. 2 light flashes continuously in this pattern. : on : off s: second 0.5 s 0.5 s · · · 0.2 s 0.2 s · · · u8ek12.Book page 11 sunday, march 30, 2003 7:20 pm.

  • Page 30: Caution:

    5-12 esu00031 engine stop switch the engine stop switch 1 is used to stop the engine in an emergency. Simply push 2 the stop switch to stop the engine. To start the engine, pull 3 the stop switch and proceed with starting the engine. (see page 7-1 for more details.) during the first few rides, pract...

  • Page 31: Warning

    5-13 esu00035 parking brake lever when parking the snowmobile or starting the engine, apply the parking brake by moving the brake lever 1 to the left. To release the parking brake, move the parking brake lever 1 to the right. È to apply the parking brake É to release the parking brake warning @ ● al...

  • Page 32

    5-14 esu00039 headlight beam switch push the headlight beam switch to change the headlight beam to high or low. 1 headlight beam switch 2 push 3 high beam 4 low beam esu00440 passenger grip warmer switch for vt70 the passenger grip warmer switch controls the electri- cally heated passenger grips. 1 ...

  • Page 33: Caution:

    5-15 esu00048 shroud latches to open the shroud, unhook the shroud latches, and then slowly raise the shroud forward until it stops. When clos- ing the shroud, slowly lower it to its home position, and then hook the shroud latches. 1 shroud latch 2 shroud caution: @ make sure that all cables and wir...

  • Page 34: Caution:

    5-16 esu00053 v-belt holders keep a spare v-belt for emergency use by placing it into the v-belt holders provided. Caution: @ make sure that the v-belt is installed securely in the holders. @ esu00056 spark plug holders keep spare spark plugs for emergency use by placing them into the spark plug hol...

  • Page 35: Warning

    5-17 esu00670 backrest for vt70 the backrest is adjustable. Pull the backrest adjusting lever 1 upward to adjust the backrest position. Turn the backrest adjusting knob 2 right or left to further adjust the backrest. Warning @ do not sit on the backrest. @ when riding without a passenger, the backre...

  • Page 36: Pre-Operation Checks

    6-1 esu00072 6- pre-operation checks note: @ pre-operation checks should be made each time the snowmobile is used. @ warning @ the engine and muffler will be very hot after the engine has been run. Avoid touching the engine and muffler while they are still hot with any part of your body or clothing ...

  • Page 37: Warning

    6-2 age. Consult a yamaha dealer. Gasohol contain- ing methanol is not recommended. ● make sure that snow or ice does not enter the fuel tank when refueling. ● do not use alcohol deicers or water absorbing additives with oxygenated fuel. ● the fuel tank should be filled with straight gaso- line as s...

  • Page 38: Warning

    6-3 esu00087 throttle lever check the throttle lever operation before starting the engine. The throttle lever must open smoothly and spring back to its home position when released. Esu00088 recoil starter check the recoil starter for proper operation and the recoil starter rope for damage. Esu00090 ...

  • Page 39: Warning

    6-4 esu00091 brake 1. Brake lever test the brake at a low speed when starting out to make sure that it is working properly. If the brake does not provide proper braking performance, inspect the brake for wear or brake fluid leakage. (see pages 8-17–8-18 for more details.) warning @ ● a soft, spongy ...

  • Page 40: Warning

    6-5 esu00093 brake fluid leakage apply the brake for a few minutes. Check to see if any brake fluid leaks out from the brake hose joints or the master cylinder. Warning @ if brake fluid leakage is found, ask a yamaha dealer for immediate repairs. @ caution: @ brake fluid may deteriorate painted surf...

  • Page 41: Warning

    6-6 esu00097 drive track check the drive track for deflection, wear, or damage. Adjust or replace if necessary. (see pages 8-26–8-28 for more details.) warning @ do not operate the snowmobile if you find damage to the drive track, or if it has been maladjusted. Drive track damage or failure could re...

  • Page 42: Caution:

    6-7 esu00320 skis and ski runners check the skis and ski runners for wear and damage. Replace if necessary. Caution: @ avoid scratching the skis when loading and unload- ing the snowmobile, when riding in areas with little or no snow, or on sharp edges such as concrete, curbs, etc. This will wear or...

  • Page 43

    6-8 esu00106 battery for sxv70er/vt70 check the fluid level and fill if necessary. Use only distilled water if refilling is necessary. (see page 8-31 for more details.) esu00239 air filter always check that no snow is on the air filter element. If there is any snow on the air filter element, take it...

  • Page 44

    6-9 esu00110 fittings and fasteners check the tightness of the fittings and fasteners. Tighten in proper sequence and torque if necessary. Esu00111 tool kit and recommended equipment it is good practice to carry the tool kit, spare parts, and other necessary equipment with you while riding the snowm...

  • Page 45: Operation

    7-1 esu00112 7- operation esu00281 starting the engine warning @ ● be sure to check the “safety information” section carefully before starting the engine. ● make sure that the parking brake is applied. @ note: @ make sure that the engine stop switch is in the on posi- tion. @ 1. Fully open the start...

  • Page 46: Caution:

    7-2 electric starting model for sxv70er/vt70 2. Turn the main switch to the “start” position. After the engine starts, put the starter lever (choke) in the half-open position. Warm up the engine until it does not run roughly or begin to stall when the starter lever is returned to the closed position...

  • Page 47: Warning

    7-3 3. Mesh the rope stopper with the edge of the primary sheave assembly. 1 rope stopper 2 primary sheave assembly edge 4. Wind the rope counterclockwise three turns on the primary sheave assembly. 5. Grasp the screwdriver handle and pull briskly. Warning @ do not wind the emergency starter rope ar...

  • Page 48

    7-4 esu00126 break-in there is never a more important period in the life of your snowmobile than the break-in period. For the first 10 hours, approximately 200 km (125 mi), do not put an excessive load on the engine. Avoid prolonged full throt- tle operation. Also avoid lugging the engine, such as l...

  • Page 49: Warning

    7-5 esu00127 riding your snowmobile getting to know your snowmobile a snowmobile is a rider active vehicle, and your riding position and your balance are the two basic factors of maneuvering your snowmobile. Riding your snowmobile requires skills acquired through practice over a period of time. Take...

  • Page 50: Warning

    7-6 turning for most snow surfaces, “body english” is the key to turning. As you approach a curve, slow down and begin to turn the handlebar in the desired direction. As you do so, put your weight on the running board to the inside of the turn and lean your upper body into the turn. This procedure s...

  • Page 51: Warning

    7-7 riding downhill when riding downhill, keep speed to a min- imum. It is important to apply just enough throttle to keep the clutch engaged while descending the hill. This will allow you to use engine compression to help slow the snowmobile, and to keep the snowmobile from rolling freely down the ...

  • Page 52: Warning

    7-8 hard-packed snow it can be more difficult to negotiate on hard-packed snow as both the skis and drive track do not have as much traction as when the snowmobile is operated on fresh snow. Avoid rapid acceleration, turning, or braking. Operation on surfaces other than snow or ice operation of your...

  • Page 53

    7-9 esu00251 maximizing drive track life recommendations track tension during initial break-in, the new drive track will tend to stretch quickly as the track settles. Be sure to correct the track tension and alignment frequently. (see pages 8-26–8-28 for adjustment procedures.) a loose track can sli...

  • Page 54: Warning

    7-10 esu00245 strap for sxv70m the strap 1 should be used only by experienced opera- tors to assist them when traverse (side-hill) riding. Warning @ improper use of the strap on the handlebar can result in severe injury or death. ● use the strap only as an operator grip point when needed to shift we...

  • Page 55: Warning

    7-11 esu00318 driving warning @ be sure to read the “safety information” and “riding your snowmobile” sections carefully before operating the snowmobile. @ note: @ make sure that the engine is warmed up enough before riding. @ for sxv70m/sxv70s 1. Release the parking brake by moving the parking brak...

  • Page 56: Warning

    7-12 2. Release the parking brake by moving the parking brake lever to the right. 3. Press the throttle lever slowly to move the snowmo- bile. 4. Turn the handlebar in the desired direction. 5. Squeeze the brake lever to stop the snowmobile. 6. Apply the parking brake by moving the parking brake lev...

  • Page 57

    7-13 esu00138 transporting when transporting your snowmobile on a trailer or in a truck, observe the following recommendations to help protect it from damage: ● make sure that the fuel level in the fuel tank is lower than the bottom of the carburetors. Otherwise, the vibration and bumps from the roa...

  • Page 58: Periodic Maintenance

    8-1 esu00139 8- periodic maintenance esu00140 periodic maintenance chart regular maintenance is most important for best performance and safe operation. Cd-01e item remarks pre- operation check (daily) initial 1 month or 800 km (500 mi) (40 hr) every page seasonally or 3,200 km (2,000 mi) (160 hr) sp...

  • Page 59

    8-2 ∗ exhaust system check for leakage. Tighten or replace gasket if necessary. ● ∗ decarbonization more frequently if necessary. ● drive guard check for cracks, bends or damage. ∗ replace if necessary. ● 5-15, 6-5 v-belt check for wear and damage. Replace if necessary. ● 6-5, 8-13–8-15 drive track ...

  • Page 60

    8-3 note: @ brake fluid replacement: 1. When disassembling the master cylinder or caliper cylinder, replace the brake fluid. Normally check the brake fluid level and add the fluid as required. 2. On the inner parts of the master cylinder and caliper cylinder, replace the oil seals every two years. 3...

  • Page 61: Caution:

    8-4 esu01430 tool kit the owner’s tool kit has the tools which are sufficient for most periodic maintenance and minor repair. A torque wrench is also necessary to properly tighten nuts and bolts. 1tool kit È sxv70er/sxv70m/sxv70s É vt70 caution: @ before starting the engine, make sure that the tool ...

  • Page 62: Caution:

    8-5 spark plugs are produced in several different thread lengths. The thread length or reach is the distance from the spark plug gasket seat to the end of the threaded portion. If the reach is too long, overheating and engine damage may result. If the reach is too short, spark plug fouling and poor ...

  • Page 63: Caution:

    8-6 esu00147 throttle cable adjustment caution: @ be sure to adjust the engine idle speed first. @ 1. Loosen the locknut. 2. Turn the adjuster in or out until the proper throttle lever free play is achieved. 1 locknut 2 adjuster 3. Tighten the locknut. Esu00149 oil pump cable adjustment caution: @ b...

  • Page 64: Caution:

    8-7 esu00150 carburetor adjustment caution: @ ● be sure to have a yamaha dealer make this adjustment. ● make sure that the carburetor silencer is installed during running to prevent engine damage. @ under some operating conditions the carburetor setting may have to be changed due to air temperature ...

  • Page 65: Warning

    8-8 jet needle adjustment adjust the jet needle by changing its clip position accord- ing to the setting chart which is available at a yamaha dealer. Cd-03e 1. Remove the top cover of the carburetor and jet nee- dle. 2. Change the clip to the proper position. Make sure that the plastic washer is in ...

  • Page 66: Warning

    8-9 cd-04e 1. Loosen the carburetor clamps and remove the carbu- retor. 2. Pinch the fuel hose to prevent fuel flowing. 3. Remove the drain plug and install the proper main jet. 4. Assemble by reversing the removal steps. Warning @ make sure that the throttle outer cable is firmly seated in the hold...

  • Page 67: Caution:

    8-10 esu00157 high altitude adjustments operating at high altitude reduces the performance of a gasoline engine to about 3% for every 305 m (1,000 ft) of elevation. This is because there is less air as altitude increases. Less air means less oxygen available for com- bustion. Your snowmobile can be ...

  • Page 68: Warning

    8-11 esu00317 cooling system air bleeding the cooling system warning @ ● do not remove the coolant reservoir cap when the engine is hot. Scalding hot fluid and steam may be blown out under pressure, which could cause serious injury. When the engine has cooled, place a thick rag or towel over the coo...

  • Page 69

    8-12 coolant replenishment 1. Remove the coolant reservoir cap and pour the cool- ant to the “cold level” mark. 1 “cold level” mark 2 coolant reservoir cap 2. Start the engine and add coolant until the coolant level does not go down, and then stop the engine. 3. Fill the coolant reservoir with coola...

  • Page 70: Warning

    8-13 esu00166 v-belt replacement warning @ when installing the new v-belt, make sure it is posi- tioned from 1.5 mm (0.06 in) above the edge of the secondary sheave assembly to 0.5 mm (0.02 in) below the edge a. If not, the v-belt clutch engagement speed will be changed. The snowmobile may move unex...

  • Page 71

    8-14 3. Pull 3 the v-belt up over the secondary fixed sheave. 4. Remove the v-belt from the secondary sheave assembly and primary sheave assembly. 5. Put the new v-belt back on the secondary sheave assembly only. Do not force the v-belt between the sheaves; the secondary sliding and fixed sheave mus...

  • Page 72: Warning

    8-15 8. Install the v-belt over the primary sheave assembly. 9. Rotate the secondary sliding sheave clockwise 6 and push 7 it so that it separates from the secondary fixed sheave. 10. Install the v-belt 8 between the secondary sliding and secondary fixed sheaves. 11. Install the drive guard. Warning...

  • Page 73: Caution:

    8-16 3. Pull up the dipstick and check that the oil is between the upper and lower levels. If not, add oil to the upper level. 2 upper level 3 lower level È for models without reverse transmissions (sxv70m/sxv70s) É for models with reverse transmissions (sxv70er/vt70) caution: @ make sure that no fo...

  • Page 74: Warning

    8-17 esu00174 checking the brake pads check the brake pads for wear. If the brake pads reach the wear limit, ask a yamaha dealer to replace them. 1 brake pad wear indicator esu00179 checking the parking brake pads check the parking brake pads for wear by measuring the thickness of the pads. If the p...

  • Page 75: Warning

    8-18 esu00180 checking the brake fluid level place the snowmobile on a level surface. Check that the brake fluid is above the lower level and replenish when necessary. 1 lower level warning @ be careful that water does not enter the master cylin- der when refilling. Water will significantly lower th...

  • Page 76: Caution:

    8-19 esu03850 ski spring preload adjustment the spring preload can be adjusted by turning the spring preload adjuster 1. For vt70 cd-10e caution: @ the left and right ski spring preload must be set to the same pressure. Uneven settings can cause poor handling and loss of stability. @ for sxv70er cd-...

  • Page 77: Caution:

    8-20 for sxv70s cd-19e caution: @ the left and right ski spring preload must be set to the same pressure. Uneven settings can cause poor handling and loss of stability. @ warning @ this shock absorber contains highly pressurized nitrogen gas. It could explode by improper handling, causing injury, or...

  • Page 78: Caution:

    8-21 esu03860 compression damping force adjustment for sxv70s the damping force can be adjusted by turning the adjuster 1. Cd-18e caution: @ the left and right compression damping forces must be adjusted to the same setting. Uneven settings can cause poor handling and loss of stability. @ warning @ ...

  • Page 79

    8-22 esu03870 rear suspension spring preload adjustment the rear suspension is equipped with two shock absorb- ers. One is in the front 1 and the other is in the rear 2 of the rear suspension assembly. The spring preload can be adjusted by turning the spring preload adjuster 3 on the front and rear ...

  • Page 80: Warning

    8-23 for sxv70m cd-13e for vt70 cd-13e for sxv70m cd-14e for vt70 cd-14e warning @ be sure to have a yamaha dealer make this adjust- ment. This shock absorber contains highly pressurized nitrogen gas. It could explode by improper handling, causing injury, or property damage. ● do not tamper with or ...

  • Page 81: Warning

    8-24 esu01971 rear suspension full rate adjustment the total suspension spring rate and damping character- istics can be adjusted by changing the installed position of the shock absorber. Warning @ be sure to have a yamaha dealer make this adjust- ment. @ cd-07e note: @ be sure to make this adjustme...

  • Page 82: Caution:

    8-25 esu00315 control rod adjustment for sxv70er/sxv70s the weight transfer can be adjusted by turning the con- trol rod adjusting nut 1. 1. Loosen the locknut 2 while holding the control rod adjusting nut 1. 2. To increase weight transfer, turn the adjusting nut in direction a. To decrease weight t...

  • Page 83: Warning

    8-26 esu03130 drive track adjustment warning @ a broken track, track fittings or debris thrown by the drive track could be dangerous to an operator or bystanders. Observe the following precautions: ● do not allow anyone to stand behind the snow- mobile when the engine is running. ● when the rear of ...

  • Page 84: Warning

    8-27 drive track adjustment warning @ ● be sure to have a yamaha dealer make this adjustment. ● support the snowmobile securely on a suitable stand before working underneath the snowmo- bile. ● operate the engine in a well-ventilated area. @ 1. Lift the rear of the snowmobile onto a suitable stand t...

  • Page 85: Caution:

    8-28 caution: @ the right and left adjusters should be turned to an equal amount. @ 6. Recheck alignment and deflection. If necessary, repeat steps 3 to 5 until the proper adjustment is achieved. 7. Tighten the rear axle nut. Esu00200 ski alignment 1. Turn the handlebar so the skis face straight ahe...

  • Page 86: Warning

    8-29 esu02760 lubrication lubricate the following points. 1 throttle cable end warning @ apply a dab of grease onto the cable end only. Do not grease the brake or throttle cable themselves because they could become frozen, which could cause loss of control. @ 2 steering 3 front suspension 4 rear sus...

  • Page 87: Warning

    8-30 esu00208 headlight bulb replacement 1. Lift up the shroud. 2. Disconnect the headlight connector. 3. Remove the bulb holder cover. 4. Remove the bulb holder by depressing and turning it counterclockwise. 1 bulb holder cover 5. Remove the bulb. Warning @ keep flammable products or your hands awa...

  • Page 88: Caution:

    8-31 esu00213 battery for sxv70er/vt70 replenishing the battery fluid 1. Check the fluid level. The level should be between the upper and lower level marks. A “upper level” b “lower level” 2. Add only distilled water if necessary. Caution: @ normal tap water contains minerals which are harm- ful to ...

  • Page 89: Warning

    8-32 esu00282 fuse replacement for sxv70er/vt70 warning @ be sure to use the specified fuse. A wrong fuse will cause electrical system damage and a fire haz- ard. @ caution: @ make sure that the main switch is turned off to pre- vent accidental short circuiting. @ 1. Lift up the shroud. 2. Replace t...

  • Page 90: Troubleshooting

    9-1 esu00294 9- troubleshooting a. Engine turns over but does not start 1. Fuel system no fuel supplied to combustion cham- ber ● no fuel in tank ... Supply fuel. ● clogged fuel line ... Clean fuel line. ● clogged carburetor ... Clean carbure- tor. Fuel supplied to combustion chamber ● flooded engin...

  • Page 91

    9-2 2. “hydrolock” occurs when fuel has filled the crankcase when the vehicle has been transported. ... Remove the spark plugs and turn the engine over several times with the ignition off to expel excess fuel. Ask a yamaha dealer to inspect. C. Electric starter does not operate or operates slowly fo...

  • Page 92

    9-3 k. Noise or excessive vibration in drive chain and sprockets 1. Broken v-belt clutch components ... Ask a yamaha dealer to inspect. 2. Worn or damaged bearings ... Ask a yamaha dealer to inspect. 3. Worn or damaged v-belt with flat spots ... Replace. 4. Worn or damaged idler wheels or shafts ......

  • Page 93: Storage

    10-1 esu02521 10- storage long-term storage requires some preven- tive procedures to guard against deteriora- tion. 1. Cleaning thoroughly clean the snowmobile, inside and out, to remove the corrosive salts and acids that can accumulate. Use yamaha mud, grease, and engine cleaner, or an equivalent p...

  • Page 94: Warning

    10-2 warning @ ● never smoke around the battery while it is being charged. Sparks may ignite the hydrogen gas created by the battery. ● never connect to or disconnect the battery from the snowmobile while it is being charged. Sparks may ignite the hydrogen gas created by the bat- tery. ● make sure t...

  • Page 95: Specifications

    11-1 esu00228 11- specifications esu00229 dimensions cs-01e esu00230 engine cs-02e sxv70er/sxv70m/sxv70s/vt70 overall length 2,780 mm (109.4 in): sxv70er/sxv70s 3,090 mm (121.7 in): sxv70m 2,990 mm (117.7 in): vt70 overall width 1,200 mm ( 47.2 in): sxv70er/sxv70s/ vt70 1,110 mm ( 43.7 in): sxv70m o...

  • Page 96

    11-2 esu00231 chassis cs-03e sxv70er/sxv70m/sxv70s/vt70 drive track and suspension: track molded rubber, fiber glass rod reinforced width 381 mm (15.0 in) track deflection 35–40 mm (1.38–1.57 in)/ 100 n (10 kg, 22 lb): sxv70er 25–30 mm (0.98–1.18 in)/ 100 n (10 kg, 22 lb): sxv70m/sxv70s/ vt70 length...

  • Page 97

    11-3 esu00232 electric cs-04e fuel tank: tank capacity 44.3 l (9.7 lmp gal, 11.7 us gal) oil tank: tank capacity 3.0 l (2.6 lmp qt, 3.2 us qt) brake: type hydraulic disc type (ventilated disc) operation handle lever, left hand operated throttle: operation handle lever, right hand operated sxv70er/sx...

  • Page 98: Wiring Dia

    12-1 es u0023 3 1- wiring dia g ram bb 1 j f e 8 9: a d e 6 4 5 c [ \ ` z y v s t w x b b f l i k j b r /w w /g w /g w /r w w w w w w r l br br /l l/ w g lg b y g h i (10a) (10a) (20a) (black) b lg b w off on start br /w p o/ r b/ w l /y w b/ g off open b /y run stop br br /w w /b w /b b /y w /g r /...

  • Page 99

    12-2 1 a c magn eto 2 r e ct if ie r/ reg u lat or 3 condenser (sxv 70m/sxv70s) 4 m a in fuse ( sxv70er/vt70) 5 s tar ter r e la y ( sxv70er/v t 70) 6 ba tter y (sxv70er/vt7 0 ) 7 star ter mo to r (sxv70er/vt7 0 ) 8 ma in s w itch 9 en gin e stop s witch 0 t h rottle s witch a carb uretor s w it ch ...

  • Page 100

    –memo– u8ek12.Book page 3 sunday, march 30, 2003 7:20 pm.