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Yamaha SXV70ML Owner'S Manual Download Page 82

10-2

Returning to service after storage

When returning your snowmobile to ser-
vice, reinstall the V-belt and adjust the
drive track. Remove the spark plugs and
clean or replace them if necessary. Per-
form all other pre-operation and seasonal
maintenance checks listed in the periodic
maintenance chart.
For peak performance, it is recommended
that you have your snowmobile checked
and tuned by a Yamaha dealer. They have
the experience and training to help you get
the maximum performance and use of your
Yamaha snowmobile. 

U8EK14.book  Page 2  Wednesday, April 13, 2005  10:17 AM

Summary of Contents for SXV70ML

Page 1: ...OWNER S MANUAL SNOWMOBILE SXV70ML ...

Page 2: ......

Page 3: ...y ID and key number in the spaces provided for assistance when ordering spare parts from a Yamaha dealer 1 The frame number is the seventeen digit number stamped on the frame of the snowmobile See fig È 2 The engine number is stamped in the location as shown See fig É 3 Key number See fig Ê Also record and keep the ID numbers in a separate place in case the snowmobile is stolen A B C ...

Page 4: ...ile If you have any questions concerning the operation or maintenance of your snowmobile please consult a Yamaha dealer To maintain the high quality and performance of this snowmobile it is important that you and your Yamaha dealer pay close attention to the recommended mainte nance schedules and operating instructions contained within this manual SXV70ML OWNER S MANUAL 2005 by Yamaha Motor Corpor...

Page 5: ...nual should be considered a permanent part of this snowmobile and should remain with the snow mobile 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 operator a b...

Page 6: ... Shroud latches 5 13 Drive guard 5 13 V belt holders 5 14 Spark plug holders 5 14 Carburetor coolant shut off knob 5 14 Storage compartment 5 14 PRE OPERATION CHECKS 6 1 Fuel 6 1 Engine oil 6 2 Coolant 6 2 Throttle lever 6 3 Recoil starter 6 3 Throttle override system T O R S 6 3 Brake 6 4 Brake fluid leakage 6 5 V belt 6 5 Drive guard 6 5 Drive track 6 6 51 mm 2 0 in high profile pattern drive tr...

Page 7: ... System Y P V S 8 9 Adjusting the high altitude settings 8 10 Cooling system 8 11 Replacing the V belt 8 13 Checking the drive chain housing oil level and the drive chain tension 8 15 Checking the brake pads 8 17 Checking the parking brake pads 8 17 Checking the brake fluid level 8 18 Changing the brake fluid 8 18 Suspension 8 18 Adjusting the drive track 8 22 Aligning the skis 8 24 Lubrication 8 ...

Page 8: ...1 1 ESU00004 1 YAMAHA MOTOR CORPORATION U S A SNOWMOBILE LIMITED WARRANTY CW 01E ...

Page 9: ...1 2 CW 02E ...

Page 10: ...1 3 CW 03E ...

Page 11: ...1 4 ESU04280 YAMAHA EXTENDED SERVICE Y E S CW 06E ...

Page 12: ... 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 2 3 8EK 77761 E0 4AA 22259 60 ...

Page 13: ...2 2 4 5 6 8ED 2191H E0 ...

Page 14: ...2 3 NOTE The following suspension adjustment charts are included with the Owner s Manual ...

Page 15: ...s snowmobile is designed to carry the OPERA TOR ONLY Passengers are prohibited Carrying a passenger can cause loss of control 4 Do not operate the snowmobile after drinking alcohol or taking drugs Your ability to operate the snowmo bile is reduced by the influence of alcohol or drugs 5 For safety and proper care of the snowmobile always perform the pre operation checks on pages 6 1 6 9 before star...

Page 16: ... inhale a lot of gasoline vapor or get some gasoline into your eyes see your doctor immediately If any gasoline spills on your skin or clothing immediately wash your skin with soap and water and change your clothes 10 Wear protective clothing Wear an approved helmet and a face shield or goggles Also wear a good qual ity snowmobile suit boots and a pair of gloves or mit tens that will permit use of...

Page 17: ...n most surfaces is to release the throttle and apply the brake gently not suddenly Maintenance and storage 1 Do not leave the snowmobile on its left side for an extended period of time Fuel may leak out from the fuel breather hose 2 Modifications made to the snowmobile not approved by Yamaha or the removal of original equipment may render your snowmobile unsafe for use that may cause severe person...

Page 18: ...4 1 ESU00012 4 DESCRIPTION 1 Windshield 2 Steering handlebar 3 Seat 4 Frame 5 Slide rail suspension 6 Drive track 7 Skis 8 Headlight 9 Shroud ...

Page 19: ... L Shroud latch M Main switch N Starter lever O Tachometer P D C S Detonation Control System indicator light Q High beam indicator light R Warning light S Self diagnosis warning indicator T Coolant temperature warning indicator U Fuel level warning indicator V Oil level warning indicator W Speedometer X Grip warmer indicator Y Select reset button Z Thumb warmer indicator Fuel meter and grip thumb ...

Page 20: ... ignition circuit is switched on The engine can be started NOTE The headlight meter lights and taillight will come on after the engine starts ESU00201 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 ...

Page 21: ... the engine ESU00231 Throttle override system T O R S If the carburetor or throttle cable should malfunction dur ing operation the T O R S will operate when the throttle lever is released The T O R S is designed to interrupt the ignition and keep the engine speed between 2 800 and 3 000 r min if the carburetor fails to return to idle when the lever is released WARNING If the T O R S is activated m...

Page 22: ... Ê Trouble 1 Carburetor switch 2 Throttle switch 3 Throttle cable 4 Throttle valve a On b Off A B C Mode Item Idling starting Running Trouble Throttle switch Off On Off Carburetor switch On Off Off Engine Run Run T O R S will operate A B C ...

Page 23: ...umb warmer After the engine is started the tachometer 1 makes one sweep the warning light 2 and all 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 sec onds then switches to the fuel meter display Odometer and tripmeter modes Pushing the select reset b...

Page 24: ...es down to the last segment E Empty When this occurs the fuel level warning indicator 2 and the warning light 3 come on If the fuel level warning indicator and the warning light come on fill the fuel tank at the first opportunity NOTE The snowmobile must be stopped on a level surface to obtain an accurate fuel meter reading The fuel meter reading changes as the snowmobile moves and depend ing on t...

Page 25: ...tinually pressed at the mini mum level When the engine is started the grip thumb warmer levels are set to the levels saved when the engine was stopped ESU00287 Fuel level warning indicator The fuel level warning indicator indicates a malfunction ing sensor disconnected coupler broken lead or short circuit when detected by the self diagnosis device of the snowmobile The fuel level warning indicator...

Page 26: ...ant level in the coolant reservoir See page 6 2 CAUTION Do not operate the engine if it overheats The coolant temperature warning indicator indicates a malfunctioning sensor disconnected coupler broken lead or short circuit when detected 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 contin...

Page 27: ...cator and warning light flash patterns WARNING If the self diagnosis warning indicator and warn ing light flash continuously during operation there may be some problem with the electrical circuit lead couplers etc See page 5 9 for warn ing indicator and warning light flash pattern num bers 1 8 Stop the engine and allow it to cool off Then check that the wire harness couplers are con nected properl...

Page 28: ...cator and warning light flash continuously in this pattern 5 Warning indicator and warning light flash continuously in this pattern 6 Warning indicator and warning light flash continuously in this pattern 7 Warning indicator and warning light flash continuously in this pattern 8 Warning indicator and warning light flash continuously in this pattern On Off s Second 0 75 s 0 25 s 4 s 0 25 s 0 25 s 5...

Page 29: ...lash pattern numbers 1 and 2 NOTE If the detonation level increases the D C S indica tor light flash pattern changes from pattern number 1 to pattern number 2 If excessive detonation levels continue maximum engine speed is reduced to pro tect the engine Engine performance will decline according to the det onation level After detonation stops the engine protection control is deactivated and the D C...

Page 30: ... switch so that you can react quickly in an emergency ESU00320 Brake lever The snowmobile is stopped by braking the entire drive system Squeeze the brake lever towards the handlebar grip to stop the snowmobile 1 Brake lever 2 Brake lever end 3 Handlebar end NOTE When the brake lever is operated the brake light will illu minate CAUTION Make sure that the brake lever end does not project out over th...

Page 31: ...ight È To apply the parking brake É To release the parking brake WARNING Always set the parking brake before attempting to start the engine Never run the snowmobile with the parking brake applied This may overheat the brake disc and reduce braking ability 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 ...

Page 32: ...shroud WARNING 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 ESU00521 Drive guard The drive guard is designed to cover the V belt clutch and V belt in case parts break or come loose WARNING Make sure that the ...

Page 33: ...ob controls the flow of coolant through the carburetor Make sure that the knob is in the ON position to allow the coolant to flow and warm the carburetor while the ambient temperature is below 0 C 32 F 1 Carburetor coolant shut off knob 2 ON open 3 OFF closed CAUTION When operating the snowmobile in temperatures above 0 C 32 F move the carburetor coolant shut off knob to the OFF position to stop t...

Page 34: ...ck the SAFETY INFORMATION section carefully before refueling See page 3 2 Do not fill the fuel tank above the bottom of the filler tube 1 Fuel could overflow if the snowmo bile is tilted on its side or if the ambient tempera ture rises causing the fuel to warm up and expand Make sure that the fuel tank cap is closed securely after refueling Leaking fuel can catch fire 2 Fuel level CAUTION Oxygenat...

Page 35: ...imilar be careful not to mistake the caps ESU00086 Coolant Check the coolant level in the coolant reservoir when the engine is cold If the coolant level is below the COLD LEVEL mark add soft water until it reaches the COLD LEVEL mark See pages 8 11 8 12 for more details 1 COLD LEVEL mark WARNING Do not remove the coolant reservoir cap when the engine is hot CAUTION Hard water or salt water is harm...

Page 36: ...ine up to clutch engagement r min Otherwise the snowmobile could start moving forward unexpectedly which could cause an accident 1 Start the engine NOTE Refer to the Starting the engine section 2 Hold the pivot point of the throttle lever away from the throttle switch by putting your thumb above and forefinger below between the throttle lever pivot 1 and the engine stop switch housing 2 While hold...

Page 37: ...cates 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 CAUTION Make sure that the brake lever end does not project out over the handlebar end This is to prevent brake lever damage when the snowmobile is placed on its side ...

Page 38: ... tic parts Never spill any brake fluid If any is spilled clean it up immediately ESU00941 V belt Open the shroud and remove the drive guard Check the V belt for wear and damage Replace if neces sary WARNING Make sure that the drive guard is tightened securely before operating the snowmobile Never run the engine without the V belt or with the drive guard removed ESU00096 Drive guard Check the drive...

Page 39: ...fically for use in deep snow riding conditions Therefore avoid prolonged operation on hard surfaces such as ice hard packed snow dirt etc to extend the life of the track and slide runners CAUTION Only use in deep snow riding conditions Operation on areas with light snowfall ice hard packed snow dirt or grass will result in rapid wear or damage to the track and slide runners from lack of snow which...

Page 40: ...c This will wear or damage the skis ESU00103 Steering system Check the handlebar for excessive free play 1 Push the handlebar up and down and back and forth 2 Turn the handlebar slightly to the right and left If excessive free play is noticed consult a Yamaha dealer ESU00105 Lights Check the lights Replace any burned out bulbs CAUTION Avoid using a scraper or hot water for cleaning the plastics le...

Page 41: ... the holding guides on the case After riding the snowmobile make sure there is no snow on the air filter element NOTE The air filter element can be removed when the ambi ent temperature is 5 C 41 5 F or higher Before removing the air filter element consult a Yamaha dealer ESU00110 Fittings and fasteners Check the tightness of the fittings and fasteners Tighten in proper sequence and torque if nece...

Page 42: ...with you while riding the snowmobile so that minor repairs can be done if neces sary The following should be carried at all times Tool kit Flashlight Roll of plastic tape Steel wire Tow rope Emergency starter rope V belt Light bulbs Spark plugs When you start out for a long distance trip extra fuel and oil should be carried as well ...

Page 43: ...cold engine starting 3 Half open warm engine up 4 Closed warm engine starting NOTE The starter lever choke is not required when the engine is warm Put the starter lever choke in the closed posi tion 2 Turn the main switch to the ON position 1 ON 3 Pull slowly on the recoil starter until it is engaged then pull it briskly After the engine starts put the starter lever choke in the half open position...

Page 44: ... rope and a screwdriver handle are supplied in the tool kit at the factory 1 Proceed with the Starting the engine section items 1 and 2 2 Tighten the emergency starter rope on the screw driver handle 1 Screwdriver handle 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 shea...

Page 45: ...nt 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 laborious opera tion in wet snow If any abnormal condition is noticed such as excessive vibration or noise consult a Yamaha dealer NOTE To ensure proper engine b...

Page 46: ...arded with added safety and a more reliable snowmobile Always wear the proper cloth ing for both warmth and to help protect you from injury if an accident occurs Become familiar with operating your snow mobile at low speeds even if you are an experienced rider Do not attempt to oper ate at maximum performance until you are totally familiar with the snowmobile s han dling and performance characteri...

Page 47: ... thor oughly familiar with the operation of your snowmobile Riding uphill You should practice first on gentle slopes Try more difficult climbs only after you have developed your skill As you approach a hill accelerate before you start the climb and then reduce the throttle to prevent track slippage It is also important to keep your weight on the uphill side at all times On climbs straight up the h...

Page 48: ...our downhill leg on the seat and the foot of your uphill leg on the running board This position will make it easier for you to shift your body weight as needed Snow and ice are slippery so be prepared for the possibility that your snowmobile could begin to slip sideways on the slope If this happens steer in the direction of the slide if there are no obstacles in your path As you regain proper bala...

Page 49: ...es 2 Snow mixed with a lot of dirt and sand All of the above surfaces have one thing in common in regard to drive track and slide runners little or no lubricating ability Drive track and all slide rail systems require lubrication snow or water between the slide runners and the slide metal In the absence of lubrication the slide runners will rapidly wear and in severe cases liter ally melt away and...

Page 50: ...erheating avoid sustained high speed usage in areas such as icy trails frozen lakes and rivers that have minimal snow coverage An overheated track will be weakened internally which may cause fail ure or damage Off trail riding Avoid off trail riding until there is sufficient snow cover age It generally takes several feet of snow to provide a good overall base to properly cover debris such as rocks...

Page 51: ... balance during traverse riding Ride cautiously while using the strap Do not accelerate or decelerate abruptly while holding onto the strap Do not use the strap to lift the snowmobile Do not use the strap as a mounting point for cargo or accessories ESU01300 Driving WARNING Be sure to read the SAFETY INFORMATION and Riding your snowmobile sections carefully before operating the snowmobile NOTE Mak...

Page 52: ...an result in hydrostatic lock a condition where the engine cannot rotate because of fuel accumulated in the engine Severe engine damage can result from hydrostatic lock When possible the fuel tank should be empty during transportation especially if the trip will be longer than 30 minutes If transporting the snowmobile in an open trailer or truck put a tight fitting cover on the snowmobile A cover ...

Page 53: ...fuel hose for cracks or damage Replace if necessary Oil line Check oil hose for cracks or damage Replace if necessary Engine coolant Check coolant level 6 2 8 11 8 12 Air bleed the cooling system if necessary 8 11 Carburetor Check throttle lever operation 5 2 6 3 Adjust the jets Whenever operating condition elevation temperature is changed Y P V S Check operation Adjust if necessary 8 9 Recoil sta...

Page 54: ...ssary Replace brake fluid See NOTE on page 8 3 8 18 Disc brake installation Check for slight free play Lubricate shaft with specified grease as required Every 1 600 km 1 000 mi Drive chain oil Check oil level 8 15 8 16 Replace Drive chain Check deflection Adjust if necessary Initial at 500 km 300 mi and every 800 km 500 mi thereafter 8 16 Skis and ski runners Check for wear and damage 6 7 Replace ...

Page 55: ... bushings for wear for secondary Replace if necessary Lubricate with specified grease Steering column bearing Lubricate with specified grease 8 25 Ski and front suspension Lubricate with specified grease 8 25 Suspension component Lubricate with specified grease 8 25 Parking brake cable end and lever end throttle cable end Lubricate with specified grease 8 25 Check cable damage Replace if necessary...

Page 56: ...lug can indi cate the condition of the engine Check the coloration on the white porcelain insulator around the center electrode The ideal coloration at this point is a medium to a light tan color for a snowmobile that is being ridden normally If a spark plug shows a distinctly different color there could be something wrong with the engine For example a very white center electrode porcelain color c...

Page 57: ...rode gap with a wire thickness gauge and adjust to specifica tion When installing the spark plug always clean the gasket surface Wipe off any grime from the threads and tighten the spark plug to the specified torque ESU03701 Adjusting the engine idling speed CAUTION Be sure to have a Yamaha dealer make this adjustment Make sure that the throttle lever moves smoothly Make sure that the carburetor i...

Page 58: ...2 Adjuster 3 Tighten the locknut ESU01492 Adjusting the oil pump cable CAUTION Be sure to adjust the throttle cable first 1 Loosen the locknut 2 Pull the oil pump outer cable and adjust the free play between the adjuster and outer cable by turning the adjuster in or out 1 Locknut 2 Adjuster 3 Tighten the locknut Throttle lever free play a 1 0 2 0 mm 0 04 0 08 in Pump cable free play a 20 5 1 0 mm ...

Page 59: ...d fuels gasohol etc These settings should be made by a Yamaha dealer CAUTION The drive chain gears and V belt clutch should be adjusted when operating at altitudes above 900 m 3 000 ft Consult a Yamaha dealer NOTE The following settings apply to each carburetor Adjusting a pilot screw Turn the pilot screw in or out to adjust the low speed tun ing CD 02E Standard pilot screw position 1 7 8 turns ou...

Page 60: ...erates smoothly after assembling the carburetors Replacing a main jet Replace the main jet according to the setting chart which is available at a Yamaha dealer WARNING Never remove the drain plug or the float chamber while the engine is hot Fuel will flow out from the float chamber and could ignite and cause injury Place a rag under the carburetor before removing the drain plug or the float chambe...

Page 61: ...r Valve System Y P V S The Y P V S is a vital part of the engine and requires very sophisticated adjustment Adjustment should be left to a Yamaha dealer who has the professional knowledge specialized data and equip ment to do so properly 1 Y P V S CAUTION The Y P V S has been extensively tested and set at the Yamaha factory Changing these settings without sufficient technical knowledge may result ...

Page 62: ...t a Yamaha dealer carefully Proper carburetion adjustments will correct the air fuel ratio Remember less air at higher altitude means there is less horsepower available even with proper carburetion Expect accelera tion and top speed to be reduced at higher altitudes To overcome operating with less power at high altitudes your snowmobile may also require different settings for the drive chain gears...

Page 63: ...and slowly rotate the cap counterclockwise to the detent This procedure allows any residual pressure to escape When the hissing sound has stopped press down on the cap while turning counter clockwise and remove it The cooling system must be bled of air if the coolant reservoir becomes empty if air can be seen in the cooling system or if there is a cooling system leak Consult a Yamaha dealer CAUTIO...

Page 64: ...vel does not go down and then stop the engine 3 Fill the coolant reservoir with coolant until it reaches the COLD LEVEL mark 4 Install the coolant reservoir cap Check for any cool ant leakage NOTE If you find any leaks consult a Yamaha dealer Recommended coolant High quality ethylene glycol antifreeze containing corrosion inhibitors Antifreeze and water mixing ratio 60 40 Total amount 4 85 L 4 27 ...

Page 65: ...ing bolt Have a Yamaha dealer make this adjustment CAUTION As the V belt wears adjustment may be necessary To ensure proper clutch performance the V belt position should be adjusted by adding a spacer on each adjusting bolt when the V belt position reaches 1 5 mm 0 06 in below the edge Have a Yamaha dealer make this adjustment CD 05E NOTE Apply the parking brake before replacing the V belt 1 Remov...

Page 66: ... position is incorrect adjust the V belt position by removing or adding a spacer 4 on each adjusting bolt 5 CD 06E 7 Tighten each adjusting bolt Standard V belt position a From 1 5 mm 0 06 in above the edge of the second ary sheave to 0 5 mm 0 02 in below the edge V belt position Adjustment More than 1 5 mm 0 06 in above the edge Remove spacer From 1 5 mm 0 06 in above the edge to 0 5 mm 0 02 in b...

Page 67: ...l 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 during inspection or repair 1 Place the snowmobile on a level surface 2 Remove the dipstick 1 and wipe it off with a clean rag Then put the dipstick in the hole CAUTION There is a magnet attached to the end of the dipstick It is used to remove any metal ...

Page 68: ... not applica ble CAUTION Make sure that no foreign material enters the drive chain housing 4 Install the dipstick and fit the loop 4 of the dipstick handle onto the projection 5 of the drive chain hous ing Adjusting the chain tension 1 Loosen the locknut 2 Turn the adjusting bolt clockwise until it is finger tight 3 Hold the adjusting bolt in place while tightening the locknut 1 Locknut 2 Adjustin...

Page 69: ...djustment As the parking brake pads wear adjustment may be nec essary to ensure proper brake performance WARNING Be sure to have a Yamaha dealer make this adjust ment 1 Loosen the locknut 1 2 Turn the parking brake adjuster 2 in or out to adjust the clearance between the parking brake pad 3 and brake disc 4 3 Turn the cable adjuster 5 in or out to adjust the clear ance between the parking brake pa...

Page 70: ...d clean it up immediately ESU01811 Changing the brake fluid Brake fluid replacement is necessary when the following components are replaced during the periodic mainte nance or if they are damaged or leaking a All oil seals of the master cylinder and caliper cylinder b The brake hose WARNING Make sure that the brake fluid and the above parts are replaced by a Yamaha dealer ESU00183 Suspension The s...

Page 71: ...g injury or property damage Do not tamper with or attempt to open the shock absorber Do not subject the shock absorber to an open flame or other high heat source which could cause it to explode Do not deform or damage the shock absorber in any way Do not dispose of a worn or damaged shock absorber by yourself Take the unit to a Yamaha dealer Spring seat length Standard Increased Decreased Preload ...

Page 72: ... the front 1 and the other is in the rear 2 of the rear suspen sion assembly The spring preload can be adjusted by turning the spring preload adjuster 3 on the front and rear shock absorb ers WARNING Be sure to have a Yamaha dealer make this adjust ment CD 13E CD 23E A B Spring adjuster position 1 2 3 4 5 Preload Soft Hard È Standard front 3 Spring adjuster position S M H Preload Soft Medium Hard ...

Page 73: ... place CAUTION When using the two wrenches included in the owner s tool kit make sure that they are situated at a right angle to the control rod as shown and that they are tightly fitted to the locknut and the control rod adjusting nut The left and right adjusting nuts must be set to the same position Uneven settings can cause poor handling and loss of stability WARNING Never adjust the control ro...

Page 74: ...the drive track condition frequently Replace damaged slide metal Replace the drive track if it is damaged to the depth where fabric reinforcement material is visible or support rods are broken Otherwise track damage or failure could result in loss of braking ability and snow mobile control which could cause an accident Measuring the drive track deflection 1 Lay the snowmobile on its side 2 Measure...

Page 75: ... the drive track one or two turns Stop the engine 4 Check the drive track alignment with the slide runners 2 If the alignment is incorrect align the drive track by turning the left and right adjusters CD 08E 7 Slide runners 8 Drive track 9 Slide metal a Gap b Forward 5 Adjust the drive track deflection to specification CD 09E 5 6 Drive track alignment 5 Shifted to right 6 Shifted to left 3 Left ad...

Page 76: ...t is achieved 7 Tighten the rear axle nut ESU02001 Aligning the skis 1 Turn the handlebar so the skis face straight ahead 2 Check the following for ski alignment a Skis are facing forward b Ski toe out 1 2 is within specification 3 If the alignment is not correct consult a Yamaha dealer Rear axle tightening torque 75 Nm 7 5 m kgf 54 ft lb Ski toe out 1 2 0 15 mm 0 0 59 in ...

Page 77: ...ble 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 suspension 2 2 3 Lubricant Low temperature grease 3 4 ...

Page 78: ...s or your hands away from the hot bulb until it cools down 6 Install the new bulb CAUTION Keep oil or your hands away from the glass part of the bulb or its life and illumination will be affected If the glass is oil stained thoroughly clean it with a cloth moistened with alcohol or lacquer thinner ESU02931 Adjusting the headlight beam 1 Turn the headlight beam adjuster 1 in or out to adjust the he...

Page 79: ...assing the T O R S make sure that the throttle returns prop erly to the fully closed position The T O R S is an important safety device in the case of a malfunction take the snowmobile to a Yamaha dealer immediately for repair Short circuit in the lighting system sig nal system and meter system except for the ignition system Disconnect the relay with the white coupler not the black coupler to acti...

Page 80: ...r slide runners have melted to the slide metal due to lack of lubrication 3 Tight loose or broken drive chain Ask a Yamaha dealer to inspect G V belt twists 1 Improper V belt Replace with the correct V belt 2 Incorrect V belt clutch offset Ask a Yamaha dealer to inspect 3 Loose or broken engine mount Ask a Yamaha dealer to inspect H V belt slips or burns 1 Oily or dirty V belt or primary and sec o...

Page 81: ... This is more important in areas where oxygenated fuel gasohol is used because the alcohol content in the fuel increases the chance for water to enter the engine Use Yamaha Stor Rite Engine Fogging Oil or an equiva lent fogging oil to protect both the com bustion chamber and crankshaft from corrosion An alternate method is to remove the carburetor silencer and squirt oil into the carburetor throat...

Page 82: ... clean or replace them if necessary Per form all other pre operation and seasonal maintenance checks listed in the periodic maintenance chart For peak performance it is recommended that you have your snowmobile checked and tuned by a Yamaha dealer They have the experience and training to help you get the maximum performance and use of your Yamaha snowmobile ...

Page 83: ...n Dry weight 232 kg 511 lb Ski tread 980 mm 38 6 in SXV70M Type Liquid cooled 2 stroke 7 port Cylinder arrangement Parallel 3 cylinder Displacement 696 cm3 Bore Stroke 69 0 62 0 mm 2 72 2 44 in Idle speed 1 800 100 r min Engine oil type YAMALUBE 2 cycle oil Carburetor type MIKUNI TM33 3 Fuel Unleaded gasoline Pump octane 88 or higher Starting system Manual with recoil starter R M 2 ...

Page 84: ...center Approx 268 5 mm 10 57 in Primary sheave bolt center to sec ondary sheave bolt center Approx 269 5 mm 10 61 in Sheave offset Secondary sheave Front side Approx 14 mm 0 55 in Rear side Approx 12 mm 0 47 in Engagement speed Approx 3 900 r min Shift speed Approx 8 400 r min Drive chain Silent chain enclosed in oil bath Reduction ratio 40 21 1 90 Fuel tank Tank capacity 44 3 L 9 7 lmp gal 11 7 U...

Page 85: ...ition system DC CDI Spark plug Type BR9ES NGK Gap 0 7 0 8 mm 0 028 0 031 in Headlight Bulb Quantity 12 V 60 55 W 2 Tail brake light Bulb Quantity 12 V 5 21 W 2 Meter light Bulb Quantity 14 V 50 mA 6 Indicator light Bulb Quantity 14 V 80 mA 3 ...

Page 86: ...L W W L Y G Y B R R R B B B R L L R Y L R L W L W L W Lg Lg G B Y B B B B Y G B Y G Y L W Y B L Y G B B G G R B G B G G B L R G Y G Y L R L R R B R B W L Y W B B P P R R R R R B B B B B R W W Br L B R W R W R L B L B R W B L B L Lg W Lg L W B G Y Y W Y L Y W Y L W B Lg W Lg L W B Dg Gy B G R Y G Y Gy B R Y G Y Gy B R Y G Y Y B Y G Sb Lg B G R L G Ch W Gy O Ch B E W Gy O W Gy O O B B Gy W B B B B B...

Page 87: ...Control System indicator light Tachometer Meter assembly Headlight _ Headlight relay with the black coupler a Headlight beam switch b IGNITION fuse c TAIL fuse d HEAD fuse e Load control relay with the white coupler È Optional COLOR CODE B Black Br Brown Ch Chocolate Dg Dark green G Green Gy Gray L Blue Lg Light green O Orange P Pink R Red Sb Sky blue W White Y Yellow B G Black Green B L Black Blu...

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