2004 Yamaha Motorsports SXViper S Owners Manual
2004 Yamaha Motorsports SXViper S Manual
2004 Yamaha Motorsports SXViper S manual content summary:
- 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 1
SNOWMOBILE OWNER'S MANUAL SXV70ERJ SXV70MJ SXV70SJ VT70J LIT-12628-02-31 8EK-28199-12 - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 2
- 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 3
A ESU00286 1- MACHINE IDENTIFICATION Identification number records A. FRAME NUMBER: CZ-01E B B. ENGINE NUMBER (PRIMARY ID): CZ-01E C. KEY NUMBER: C 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 - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 4
you and your Yamaha dealer pay close attention to the recommended maintenance schedules and operating instructions contained within this manual. SXV70ERJ SXV70MJ SXV70SJ VT70J OWNER'S MANUAL ©2003 by Yamaha Motor Corporation, U.S.A. 1st Edition, March 2003 All rights reserved. Any reprinting or - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 5
when resold. @ Particularly important information is distinguished in this manual by the following notations. The Safety Alert Symbol means ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED! WARNING @ Failure to follow WARNING instructions could result in severe injury or death to the snowmobile - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 6
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 ...3-1 DESCRIPTION ...4-1 CONTROL FUNCTIONS ...5-1 Main switch...5-1 Starter lever (choke) ...5-2 Throttle lever - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 7
26 Ski alignment ...8-28 Lubrication ...8-29 Headlight bulb replacement...8-30 Headlight beam adjustment...8-30 Battery ...8-31 Fuse replacement...8-32 TROUBLESHOOTING ...9-1 STORAGE ...10-1 SPECIFICATIONS ...11-1 Dimensions...11-1 Engine ...11-1 Chassis...11-2 Electric...11-3 WIRING DIAGRAM ...12 - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 8
ESU00004 1- YAMAHA MOTOR CORPORATION, U.S.A. SNOWMOBILE LIMITED WARRANTY CW-01E 1-1 - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 9
CW-02E 1-2 - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 10
CW-03E 1-3 - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 11
ESU00050 YAMAHA EXTENDED SERVICE (Y.E.S.) CW-05E 1-4 - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 12
ESU00007 LOCATION OF THE IMPORTANT LABELS 2- Please read the following labels carefully before operating this snowmobile. NOTE: Maintain or replace safety and instruction labels, as necessary. 1 SXV70M/SXV70S 1 SXV70ER 1 VT70 2-1 - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 13
2 3 4 SXV70M 5 SXV70M 6 SXV70M 2-2 - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 14
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 operating this snowmobile. Become familiar with all of the operating controls and their function. Consult a Yamaha dealer about any - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 15
7. Do not allow anyone to stand behind the snowmobile when starting, inspecting, or adjusting the snowmobile. 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. G Never add fuel when the - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 16
an enclosed space. 4. Always refer to the "STORAGE" section if the snowmobile is to be stored for an extended period. 5. Maintain or replace safety and instruction labels, as necessary. 3-3 - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 17
ESU00012 4- DESCRIPTION 1 2 3 4 5 6 7 8 9 0 SXV70ER/SXV70S Windshield Steering handlebar Seat Passenger grip warmer switch (VT70) Frame Slide rail suspension Drive track Skis Headlight Shroud VT70 SXV70M 4-1 - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 18
VT70 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z [ \ ] _ a Storage compartment Tail/brake light Snow flap Side mirror (VT70) Brake lever Parking brake lever Grip warmer adjustment switch Headlight beam switch Strap (SXV70M) Engine stop switch Thumb warmer adjustment switch Throttle lever - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 19
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. A 2 "ON" The ignition circuit is switched on. The engine can be started. NOTE: @ The headlight, meter - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 20
ESU00020 Starter lever (choke) Use the starter lever (choke) when starting and warming up a cold engine. 1 2 3 4 @ Starter lever (choke) When starting a cold engine. Warming up When the engine is warm. NOTE: Refer the "Starting the engine" section for proper operation. @ ESU00022 Throttle lever - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 21
has been corrected and that the engine can be operated without a problem before restarting the engine. Be sure to use the specified spark Otherwise, the T.O.R.S. will not work properly. B Run On Off Run C Trouble Off Off T.O.R.S. will operate CA-01E Mode A Idle or Switch starting Throttle switch - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 22
segments of the meter 3 turn on and off once, and the "D.C.S." indicator light 4 flashes three times, and then goes off if there are no problems. The grip warmer heat level is initially displayed for 5 seconds, then switches to the fuel meter display. Odometer and tripmeter modes Pushing the select - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 23
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 - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 24
of the snowmobile. The fuel level warning indicator 1, warning light 2, and all segments of the fuel meter 3 warn the rider of the above problems by flashing continuously. (See the table below for warning indicator, warning light and fuel meter segment flash pattern.) When this occurs, have a Yamaha - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 25
by the self-diagnosis device of the snowmobile. The coolant temperature warning indicator and warning light warn the rider of the above problems by flashing continuously. (See the table below for warning indicator and warning light flash pattern.) When this occurs, have a Yamaha dealer inspect - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 26
by the self-diagnosis device of the snowmobile. The self-diagnosis warning indicator 1 and warning light 2 warn the rider of the above problems by flashing continuously. If necessary, ask a Yamaha dealer for further details. (See page 5-9 for warning indicator and warning light flash patterns - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 27
No. 1 Self-diagnosis warning indicator and warning light flash patterns · · · 0.75 s 0.25 s 4s · · · CA-15E Warning indicator and warning light flash continuously in this pattern. Warning indicator and warning light flash continuously in this pattern. Warning indicator and warning light flash - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 28
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 protect the engine from damage. The "D.C.S." indicator light 1 flashes to inform the rider that the detonation control system - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 29
No. 1 "D.C.S." indicator light flash patterns · · · 0.5 s 0.5 s CA-16E Light flashes continuously in this pattern. · · · 2 Light flashes continuously in this pattern. 0.2 s 0.2 s : On : Off s: Second 5-11 - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 30
does not project out over the handlebar end. This will help prevent brake lever damage when the snowmobile is placed on its side for service. For SXV70ER/SXV70S/VT70 The brake lever is equipped with a position adjuster. To adjust the brake lever position: 1. Loosen the locknut 1. 2. While lightly - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 31
A 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. B È To apply the parking brake É To release the parking brake WARNING @ G - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 32
ESU00039 Headlight beam switch Push the headlight beam switch to change the headlight beam to high or low. 1 2 3 4 Headlight beam switch Push High beam Low beam ESU00440 Passenger grip warmer switch For VT70 The passenger grip warmer switch controls the electrically heated passenger grips. 1 2 3 - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 33
WARNING @ G G G @ Do not drive the snowmobile with the shroud open, unlatched, or removed. Keep your body and clothing away from rotating parts when servicing with the shroud open. Do not touch the hot muffler and engine during or immediately after operation. ESU00052 Drive guard The drive guard - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 34
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 - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 35
that the passenger grip adjusting knobs are tightened securely after adjusting the passenger grip position. @ A B ESU02420 Storage compartment Open the storage compartment to store the service tools, spare parts, or other small items. È SXV70ER/SXV70M/SXV70S É VT70 5-17 - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 36
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 - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 37
G G G @ age. Consult a Yamaha dealer. Gasohol containing 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 gasoline as - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 38
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 - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 39
WARNING @ G G A soft, spongy feeling in the brake lever indicates a failure in the brake system. Do not operate the snowmobile if you find any problems in the brake system. You could lose braking ability, which could lead to an accident. Ask a Yamaha dealer to inspect and repair the brake system - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 40
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 - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 41
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 - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 42
ESU00320 Skis and ski runners Check the skis and ski runners for wear and damage. Replace if necessary. For SXV70ER/VT70 Ski runner wear limit a: 8 mm (0.31 in) Ski wear limit b: 13 mm (0.51 in) For SXV70M/SXV70S Ski runner wear limit a: 8 mm (0.31 in) Ski wear limit b: 25 mm (0.98 in) CAUTION: @ - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 43
there is any snow on the air filter element, take it out and remove the snow. Then reinstall the air filter element beneath the holding guides on the case. After riding the snowmobile, make sure there is no snow on the air filter element. NOTE: @ G G @ The air filter element can be - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 44
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 - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 45
starting) NOTE: @ The starter lever (choke) is not required when the engine is warm. Put the starter lever (choke) in the closed position. @ Manual starting model For SXV70M/SXV70S 2. Turn the main switch to the "ON" position. 1 "ON" 3. Pull slowly on the recoil starter until it is engaged - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 46
short as possible to preserve the battery. Do not crank the engine more than 10 seconds on any one attempt. @ ESU00248 Emergency engine starting Manual starting model For SXV70M/SXV70S If the recoil starter system should fail, take the emergency starter rope and the screwdriver handle out of the - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 47
shroud. WARNING @ Avoid contact with the moving primary sheave assembly. @ Electric starting model For SXV70ER/VT70 Follow the procedures in the "Starting the engine" and "Manual starting model" sections. 7-3 - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 48
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 throttle operation. Also avoid lugging the engine, such as - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 49
riding safely. Before operating the snowmobile, read this Owner's Manual completely and understand the operation of the controls. Pay particular handling and performance characteristics. Set the parking brake and follow the instructions on pages 7-1-7-2 to start the engine. Once it has warmed up - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 50
Turning Riding uphill 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 - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 51
Riding downhill When riding downhill, keep speed to a minimum. 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 hill. - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 52
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. @ WARNING Drive track damage or failure could result in loss of - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 53
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 slip ( - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 54
ESU00245 Strap For SXV70M The strap 1 should be used only by experienced operators to assist them when traverse (side-hill) riding. WARNING @ Improper use of the strap on the handlebar can result in severe injury or death. G Use the strap only as an operator grip point when needed to shift weight - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 55
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 - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 56
2. Release the parking brake by moving the parking brake lever to the right. 3. Press the throttle lever slowly to move the snowmobile. 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 lever to - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 57
ESU00138 Transporting When transporting your snowmobile on a trailer or in a truck, observe the following recommendations to help protect it from damage: G G G 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 - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 58
if necessary. Check operation. ∗ Repair if necessary. Carburetor ∗ Y.P.V.S. Recoil starter Engine stop switch Throttle override system (T.O.R.S.) Throttle lever ∗ It is recommended that these items be serviced by a Yamaha dealer. 8-1 - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 59
500 km (300 mi) and every 800 km (500 mi) thereafter. G G 8-16 6-7 6-7 G Lights 6-7, 8-28 6-8, 8-29 Battery (SXV70ER/VT70) G ∗ It is recommended that these items be serviced by a Yamaha dealer. 8-2 - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 60
placement. Whenever operating elevation is changed. G G G G G G G G G G 5-15 6-9 6-9 8-29 8-29 8-29 8-29 ∗ It is recommended that these items be serviced by a Yamaha dealer. NOTE: @ Brake fluid replacement: 1. When disassembling the master cylinder or caliper cylinder, replace the brake fluid - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 61
NOTE: @ If you do not have a torque wrench available during a service operation requiring one, take your snowmobile to a Yamaha dealer to check the torque intake track air leak or carburetion problem for that cylinder. Do not attempt to diagnose such problems yourself. Instead, take the snowmobile - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 62
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 - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 63
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. Throttle lever free play a: 1.0-2.0 mm (0.04-0.08 in) 1 Locknut 2 Adjuster 3. Tighten the - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 64
ESU00150 Carburetor adjustment CAUTION: @ G G @ 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 - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 65
Jet needle adjustment Adjust the jet needle by changing its clip position according to the setting chart which is available at a Yamaha dealer. Standard jet needle clip 1 position: 3rd groove from upper end CD-03E Clip position Mixture Lean Rich Condition Warm weather High altitude Cold weather - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 66
Standard main jet: # 156.3 CD-04E Main jet 1 Mixture Lean Rich Condition Warm weather High altitude Cold weather Low altitude Small No. Large No. 1. Loosen the carburetor clamps and remove the carburetor. 2. Pinch the fuel hose to prevent fuel flowing. 3. Remove the drain plug and install the - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 67
is less air as altitude increases. Less air means less oxygen available for combustion. Your snowmobile can be adjusted to overcome most of the problems found in high altitude riding. Carburetor adjustments are the most important. Less air at high altitude makes the air/fuel ratio too rich, which - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 68
ESU00317 Cooling system Air bleeding the cooling system WARNING @ G G 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 - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 69
Coolant replenishment 1. Remove the coolant reservoir cap and pour the coolant to the "COLD LEVEL" mark. Recommended coolant: High quality ethylene glycol antifreeze containing corrosion inhibitors. Coolant and water mixed ratio: 60:40 Total amount: For SXV70ER/SXV70S 4.7 L (4.14 Imp qt, 4.97 US qt) - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 70
ESU00166 V-belt replacement WARNING @ When installing the new V-belt, make sure it is positioned 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 - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 71
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 must - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 72
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 @ - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 73
A B 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 Drive chain oil: API GL-3 SAE 75 or 80 È For models without reverse transmissions (SXV70M/SXV70S) É For models with reverse transmissions ( - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 74
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 Wear limit a: 1.5 mm (0.06 in) ESU00179 Checking the parking brake pads Check the parking brake pads for wear by measuring the - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 75
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 Specified brake fluid: DOT 4 WARNING @ Be careful that water does not enter the master cylinder when refilling. Water - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 76
ESU03850 Ski spring preload adjustment The spring preload can be adjusted by turning the spring preload adjuster 1. For VT70 CD-10E Spring adjuster position Preload Standard 5 4 3 1 2 1 Soft 3 2 Hard CAUTION: @ The left and right ski spring preload must be set to the same pressure. Uneven - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 77
For SXV70S CD-19E Spring seat length Preload a Length Standard Short Hard Minimum 276 mm (10.87 in Long Soft Maximum 298 mm 301 mm (11.73 in) (11.85 in) CAUTION: @ The left and right ski spring preload must be set to the same pressure. Uneven settings can cause poor handling and loss of - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 78
ESU03860 Compression damping force adjustment For SXV70S The damping force can be adjusted by turning the adjuster 1. CD-18E 15 clicks 10 clicks out out 1 click out Maximum Adjuster position Minimum Standard Turns out b Damping force Soft ∗ Turns in a Hard ∗ With the adjuster fully turned - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 79
ESU03870 Rear suspension spring preload adjustment The rear suspension is equipped with two shock absorbers. One is in the front 1 and the other is in the rear 2 of the rear suspension assembly. A The spring preload can be adjusted by turning the spring preload adjuster 3 on the front and rear - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 80
C For SXV70M CD-13E Spring adjuster position Preload Ê Standard (front) For VT70 CD-13E 1 Soft 2 3 3 4 5 Hard D Spring adjuster position Preload Ë Standard (front) For SXV70M CD-14E 1 Soft 2 3 3 4 5 Hard Spring adjuster position E Preload Ì Standard (rear) For VT70 CD-14E 1 Soft 2 - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 81
ESU01971 Rear suspension full rate adjustment The total suspension spring rate and damping characteristics can be adjusted by changing the installed position of the shock absorber. WARNING @ Be sure to have a Yamaha dealer make this adjustment. @ CD-07E Installation position Spring rate and - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 82
ESU00315 Control rod adjustment For SXV70ER/SXV70S The weight transfer can be adjusted by turning the control 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 - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 83
to allow the drive track to spin, a suitable stand must be used to support the rear of the snowmobile. Never allow anyone to hold the rear of the is damaged to the depth where fabric reinforcement material is visible or support rods are broken. Otherwise, track damage or failure could result in - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 84
Drive track adjustment WARNING @ G G G @ Be sure to have a Yamaha dealer make this adjustment. Support the snowmobile securely on a suitable stand before working underneath the snowmobile. Operate the engine in a well-ventilated area. 1. Lift the rear of the snowmobile onto a - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 85
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. Rear axle tightening torque: 75 Nm (7.5 m·kgf, 54.2 ft·lb) ESU00200 Ski - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 86
ESU02760 Lubrication Lubricate the following points. Lubricant: Low-temperature grease 1 Throttle cable end 2 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. @ 3 2 - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 87
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 away - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 88
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 harmful to a - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 89
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 HAZARD. @ CAUTION: @ Make sure that the main switch is turned off to prevent accidental short circuiting. @ 1. Lift up the shroud. 2. Replace the - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 90
ESU00294 9- TROUBLESHOOTING G A. Engine turns over but does not start 1. Fuel system No fuel supplied to combustion chamber G No fuel in tank ...Supply fuel. G Clogged fuel line ...Clean - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 91
2. Discharged battery...Check battery fluid and charge battery. 3. Engine trouble ...Check B above. D. Engine power is low 1. Faulty spark or dirty V-belt or primary and secondary sheave assembly surfaces ...Clean. 2. Problem with the driveline ...See H above. J. Engine does not upshift or downshift - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 92
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 ...Ask a - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 93
and check the fluid level. Add only distilled water if necessary. (See the "Battery- Replenishing the battery fluid" section on page 8-31 for instructions.) After checking the fluid level, charge the battery. Store it in a cool, dry place that is above 0 °C (32 °F), but less than 30 °C (90 - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 94
are tight and that the battery vent tube is properly routed and is securely attached to the battery. Returning to service after storage When returning your snowmobile to service, reinstall the V-belt and adjust the drive track. Install the battery, and make sure that the battery vent tube is - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 95
stroke, 7-port Parallel 3-cylinder 696 cm3 69.0 × 62.0 mm (2.72 × 2.44 in) 1,800 ± 100 r/min YAMALUBE 2-cycle oil MIKUNI, TM33 × 3 Unleaded gasoline R+M ; 88 or higher 2 Manual with recoil starter: SXV70M/SXV70S Electric and manual with recoil starter: SXV70ER/VT70 Pump octane Starting system 11-1 - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 96
ESU00231 Chassis CS-03E SXV70ER/SXV70M/SXV70S/VT70 Drive track and suspension: Track Width Track deflection Molded rubber, fiber glass rod reinforced 381 mm (15.0 in) 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 752 mm ( - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 97
SXV70ER/SXV70M/SXV70S/VT70 Fuel tank: Tank capacity Oil tank: Tank capacity Brake: Type Operation Throttle: Operation ESU00232 44.3 L (9.7 lmp gal, 11.7 US gal) 3.0 L (2.6 lmp qt, 3.2 US qt) Hydraulic disc type (ventilated disc) Handle lever, left hand operated Handle lever, right hand operated - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 98
ESU00233 1- WIRING DIAGRAM WW O B W W/G R / W O W (WHITE) (BLACK) O E O Gy E Gy W E W Ch E B Ch B Br/ W B/ R Lg/B Y/B Y/G L Gy Y/ R Lg B/L Sb G L/G G/Y W/B Br/ L W/G Lg/L Y/L Dg Y G/R B / Y W/R R / W Lg/ W Y/W W K J W/R W/G W/ R Gy 1 B/Y BrBr/W B Y/L B/R W/B B/ Y W B R/Y R/W B/ Y W/G R/ - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 99
W X Y Z [ \ ] _ a 12-2 b c d e f g h i j Tail/brake light Speed sensor Fuel sender Oil level switch High beam indicator light Warning light Multi-function meter Meter light "D.C.S." (Detonation Control System) indicator light Tachometer Meter assembly Headlight Headlight relay (with the black - 2004 Yamaha Motorsports SXViper S | Owners Manual - Page 100
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OWNER’S MANUAL
SNOWMOBILE
SXV70ERJ
SXV70MJ
SXV70SJ
VT70J
8EK-28199-12
LIT-12628-02-31