Yamaha MM600G, Owner'S Manual

Page 1: ...OWNER S MANUAL SNOWMOBILE MM600G ...

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: ...ion of this snowmobile and minor maintenance required for satisfactory service Should major repairs ever be required you are advised to ask a Yamaha dealer to inspect and repair the snow mobile whenever it is necessary they have the tech niques tools and parts to ensure your satisfaction We hope that the information within this manual will help you enjoy many hours of pleasure with your Yamaha sno...

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: ...rburetor heating lever 5 10 Backrest 5 11 Storage compartment 5 11 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 track 6 6 Slide runners 6 6 Skis and ski runners 6 7 Steering system 6 7 Lights ...

Page 7: ...system 8 10 V belt replacement 8 12 Checking the oil level of the drive chain housing 8 15 Checking the brake pads 8 16 Checking the parking brake pads 8 16 Checking the brake fluid level 8 17 Brake fluid replacement 8 18 Suspension 8 18 Drive track adjustment 8 24 Ski alignment 8 26 Handlebar adjustment 8 27 Lubrication 8 29 Headlight bulb replacement 8 30 Headlight beam adjustment 8 30 Battery 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 ESU00005 YAMAHA EXTENDED SERVICE Y E S CW 10E ...

Page 12: ...ke applied To stop engine in an emergency push the engine stop switch down Do not operate engine without drive belt or drive guard Make sure the fuel tank cap is closed securely after refueling Do not operate this vehicle on public roads You could collide with another vehicle Wear an approved helmet eye protection and adequate clothing for snowmobiling Check lever position Forward or Reverse befor...

Page 13: ...TENTION CAUTION This snowmobile is originally equipped with a 51mm 2 0in high profile pattern track for deep snow riding conditions Operation on light snowfall ice hard packed snow dirt etc will result in rapid wear or damage to track and slide runners Cette motoneige est équipée d une chenille à relief de 51 mm 2 0 po pour la neige profonde La conduite sur de la neige peu profonde de la glace de ...

Page 14: ...X600 and VX600ER are designed to carry the OPERATOR 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 ...

Page 15: ... 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 16: ...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 17: ...4 1 ESU00012 4 DESCRIPTION 1 Windshield 2 Steering handlebar 3 Seat 4 Passenger grip warmer switch VT600 5 Frame 6 Slide rail suspension 7 Drive track 8 Skis VX600ER SX600 VT600 MM600 ...

Page 18: ...M600 I Engine stop switch J Throttle lever K Drive select lever VT600 VX600ER L Starter handle M Shroud latch N Main switch O Starter lever P Thumb warmer control knob Q Grip warmer control knob R Tripmeter S Odometer T Speedometer U Tachometer V Fuel meter W Coolant temperature warning light X Oil level warning light Y High beam indicator light Z Tripmeter reset knob VT600 ...

Page 19: ...moved only in this position 2 ON The ignition circuit is switched on The engine can be started NOTE The headlight meter lights and taillight will come on after the engine starts For VT600 VX600ER 3 START The starting circuit is switched on The starter motor starts CAUTION Release the switch immediately after the engine starts È MM600 SX600 É VT600 VX600ER A B ...

Page 20: ...speed of the snowmobile by varying the throttle position Because the throttle is spring loaded the snowmobile will deceler ate and the engine will return to idle when it is released b WARNING Check the throttle brake and steering for proper operation before starting the engine ESU00023 Throttle override system T O R S If the carburetor or throttle cable should malfunction dur ing operation the T O...

Page 21: ... will not work properly CA 01E È Idle or starting É Run Ê Trouble 1 Carburetor switch 2 Throttle switch 3 Throttle cable 4 Throttle valve a On b Off ESU00026 Oil level warning light If the oil level falls below the lower level this light comes on If the light comes on add engine oil to the oil tank at the first opportunity A B C Mode Switch Idle or starting Run Trouble Throttle switch Off On Off C...

Page 22: ...ht flash pattern num ber 0 If it does not flash have a Yamaha dealer inspect the electrical circuit WARNING If the coolant temperature warning light flashes continually or stays on during operation there may be some problem with the electrical circuit lead couplers or engine cooling system See page 5 5 for warning light flash pattern numbers 1 7 Stop the engine and allow it to cool off Then check ...

Page 23: ...pattern 3 Light flashes continuously in this pattern 4 Light flashes continuously in this pattern 5 Light flashes continuously in this pattern 6 Light flashes continuously in this pattern 7 Light flashes continuously in this pattern Warning light is on Warning light is off s Second 0 5 s 0 5 s 3 s 0 25 s 0 25 s 0 75 s 0 25 s 4 s 0 75 s 2 5 s 0 75 s 0 25 s 3 5 s 0 75 s 0 25 s 4 5 s 0 75 s 0 25 s 5 ...

Page 24: ...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 the handlebar end This will help prevent brake lever damage when the snowmobile is placed on its side for service For SX600 VT600 VX600ER The brake lever is equipped with...

Page 25: ...e snowmobile with the parking brake applied This may overheat the brake disc and reduce braking ability ESU00038 Drive select lever For VT600 VX600ER The drive select lever is used to put the snowmobile into forward or reverse After coming to a complete stop push the drive select lever down and move it to the desired direction 1 Drive select lever 2 Push down 3 Move to FWD 4 Move to REV CA 02E CAU...

Page 26: ...rols the electrically heated handlebar grips 1 Grip warmer control knob 2 OFF 3 ON CA 03E ESU00280 Thumb warmer control knob The thumb warmer control knob controls the electrically heated throttle lever 1 Thumb warmer control knob 2 OFF 3 ON CA 06E Knob position Grip warmer temperature Turn clockwise a Higher Turn counterclockwise b Lower Knob position Thumb warmer temperature Turn clockwise a Hig...

Page 27: ...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 wires are in place when closing the shroud WARNING Do not drive the snowmobile with the shroud open unlatched or removed Keep your body and cl...

Page 28: ...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 holders provided ESU00057 Carburetor heating lever The carburetor heating lever controls the flow of coolant through each carburetor body Make sure that the lever is in the ON position to heat the carburetors while the ambient temperature is ...

Page 29: ...or the rider as shown in the illustration To adjust the passenger grip position remove the pas senger grip adjusting knobs 3 on both sides of the seat and change the position of the passenger grip to any one of the three positions shown WARNING Make sure that the passenger grip adjusting knobs are tightened securely after adjusting the passenger grip position ESU00242 Storage compartment Open the ...

Page 30: ...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 31: ...e coolant level is between FULL 1 and LOW 2 when the engine is cold If the coolant level is at or below LOW add soft water until it reaches the FULL level See pages 8 10 8 11 for more details WARNING Do not remove the coolant filler cap when the engine is hot CAUTION Hard water or salt water is harmful to the engine parts You may use boiled water or distilled water if soft water is not available T...

Page 32: ...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 33: ...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 34: ... tic parts Never spill any brake fluid If any is spilled clean it up immediately ESU00094 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 35: ... specifically 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...

Page 36: ...tem 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 lens 1 A A È For MM600 SX600 Ski runner wear limit a 8 mm 0...

Page 37: ... Always check that no snow is on the air filter elements If there is any snow on the air filter elements take them out and remove the snow After riding the snowmobile make sure that there is no snow on the air filter elements NOTE The air filter elements can be removed when the ambient temperature is 5 C 41 5 F or higher Before removing the air filter elements consult a Yamaha dealer ...

Page 38: ...e tool kit spare parts and other necessary equipment with you while riding the snowmobile so that minor repairs can be done if neces sary The following should be carried in the storage com partment 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 c...

Page 39: ...g 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 Manual starting model For MM600 SX600 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...

Page 40: ...n try again Each attempt should be as 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 MM600 SX600 If the recoil starter system should fail take the emer gency starter rope and the screwdriver handle out of the tool kit and proceed as follows NOTE The emergency starter rope and a s...

Page 41: ...emergency starter rope around your hand 6 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 7 Install the drive guard and shroud WARNING Avoid contact with the moving primary sheave assembly Electric starting model For VT600 VX600ER Follow the pro...

Page 42: ...oid 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 break in use a 50 1 gasoline oil mixture when filling the fuel tank of a new snowmobile for the first time For example 10 L of gasoline per 0 2 L of oil 1 gal of gasoline per 2 6 oz of oil equals a 50 1 mixing...

Page 43: ...cular attention to the safety information on pages 3 1 3 3 Please read all warning and caution labels on your snowmobile Also read the Snowmobiler s Safety Handbook that is supplied with your snowmobile Learning to ride your snowmobile Before you ride always perform the pre operation checks listed on pages 8 1 8 3 The short time spent checking the condition of the snowmobile will be rewarded with ...

Page 44: ...d increase the possibility of an accident 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 should be practiced at low speed many times in a large flat area with n...

Page 45: ... which may be on the other side If you are unable to continue up a hill do not spin the track Stop the engine and set the parking brake Then pull the rear of the snowmobile around to point the snowmobile back down the hill Do not get on the downhill side of the snowmobile When the snowmobile is pointed downhill restart the engine release the parking brake and descend the hill WARNING Side hills an...

Page 46: ... in your path As you regain proper balance gradually steer again in the direction you wish to travel If your snowmobile starts to tip steer down the hill to regain balance WARNING If you are unable to maintain correct balance and your snowmobile is going to tip over dismount your snowmobile immediately on the uphill side Ice or icy surface Operating on ice or icy surfaces can be very dangerous Tra...

Page 47: ...rack and slide runners little or no lubri cating 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 the drive track will be subjected to damage or failure Also traction aids such as studs cleats etc may cause furt...

Page 48: ...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 49: ...aintain balance during traverse side hill riding Only experi enced operators should traverse slopes steep enough to require strap use Keep the right hand on the right handlebar grip for steering and grip the strap with the left hand to shift weight uphill for balance during traverse riding Ride cautiously while using the strap Do not accelerate or decelerate abruptly while holding onto the strap D...

Page 50: ...ly the parking brake by moving the parking brake lever to the left For VT600 VX600ER 1 Select the desirable operating position by moving the drive select lever 1 Push down 2 FWD Forward 3 REV Reverse WARNING Make sure that the throttle lever is fully released and the snowmobile is at a full stop before shift ing Be sure to move the drive select lever to forward or reverse until it stops completely...

Page 51: ...he snowmobile 6 Apply the parking brake by moving the parking brake lever to the left ESU00137 Stopping the engine Turn the main switch to the OFF position to stop the engine 1 OFF È MM600 SX600 É VT600 VX600ER WARNING Push down the engine stop switch to stop the engine in an emergency Make sure that the key is removed from the main switch whenever the operator leaves the snow mobile to prevent ac...

Page 52: ... 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 specifically designed for your snowmobile is best This will help keep foreign objects out of the cooling vents in the shroud and also help protect the ...

Page 53: ...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 10 8 11 Air bleed the cooling system if necessary 8 10 8 11 Carburetor Check throttle lever operation 5 2 6 3 Adjust the jets Whenever operating condition elevation temperature is changed Recoil starter Check operation and rope damage Replace if necessary...

Page 54: ...in 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 if necessary Steering system Check operation 6 7 Adjust toe out if necessary Strap MM600 Check for damage Replace if necessary Lights Check operation Replace bulbs if necessary 6 7 8 30 ...

Page 55: ...s bushings for wear for secondary Replace if necessary Lubricate with specified grease Steering column bearing Lubricate with specified grease 8 29 Ski and front suspension Lubricate with specified grease 8 29 Suspension component Lubricate with specified grease 8 29 Parking brake cable end and lever end throttle cable end Lubricate with specified grease 8 29 Check cable damage Replace if necessar...

Page 56: ... the spark plug 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 porce...

Page 57: ...e the electrode gap with a wire thickness gauge and adjust to specification 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 ESU00145 Engine idle speed adjustment CAUTION Be sure to have a Yamaha dealer make this adjustment Make sure that the throttle lever moves smoothly Make sure that the carbure...

Page 58: ...t 2 Adjuster 3 Tighten the locknut ESU00149 Oil pump cable adjustment 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 23 1 mm 0 91 ...

Page 59: ...ion changes use of alcohol oxygenated fuels etc and should be set by a Yamaha dealer CAUTION The drive chain gears and V belt clutch should be adjusted when operating over a high altitude of 900 m 3 000 ft Consult a Yamaha dealer Pilot screw adjustment Turn the pilot screw in or out to adjust low speed tuning CD 02ECD 02E Standard pilot screw position 2 0 turns out from the seated position Pilot s...

Page 60: ...rburetor 3 Assemble by reversing the removal steps Main jet replacement 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 which could ignite and cause injury Place a rag under the carburetor before removing the drain plug or float chambe...

Page 61: ... air as altitude increases Less air means less oxygen available for com bustion 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 alti tude makes the air fuel ratio too rich which can cause poor performance Common problems are hard starting bogging and plug fouling Follow the Main Jet Settin...

Page 62: ...gears and V belt clutch should be adjusted when operating over a high altitude of 900 m 3 000 ft Consult a Yamaha dealer ESU00160 Cooling system Air bleeding the cooling system WARNING Do not remove the coolant filler cap when the engine and radiator are 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...

Page 63: ...lant reservoir cap 4 Fill the coolant reservoir with coolant to FULL 3 5 Install the coolant filler and coolant reservoir caps Check for any coolant leakage NOTE If you find any leaks consult a Yamaha dealer Recommended coolant High quality ethylene glycol antifreeze containing cor rosion inhibitors Coolant and water mixing ratio 60 40 Total amount For MM600 4 0 L 3 52 Imp qt 4 23 US qt For SX600 ...

Page 64: ...ng 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 Remove...

Page 65: ...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 be...

Page 66: ...ondary 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 Never run the engine with the V belt or drive guard removed ...

Page 67: ...o remove any metal particles that may accumulate in the drive chain housing When remov ing the dipstick be sure to Pull it out slowly and gently so the metal particles do not fall off the magnet back into the drive chain housing Wipe off the magnet before reinserting the dip stick into the drive chain housing 3 Pull up the dipstick and check that the oil is between the upper and lower levels If no...

Page 68: ...chain adjuster locknut 1 Locknut 2 Adjuster bolt 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 parking brake pads reach the wear limit ask a Yamaha dealer t...

Page 69: ...ut 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 the boiling point of the fluid and may result in vapor lock If the brake fluid level goes down consult a Yamah...

Page 70: ...y a Yamaha dealer ESU00183 Suspension The suspension can be adjusted to suit rider preference A softer setting for example may provide greater rider comfort while a harder setting may allow more precise handling and control over certain types of terrain or riding conditions WARNING Be sure to have a Yamaha dealer make this adjust ment ESU00189 Ski spring preload adjustment The spring preload can b...

Page 71: ...ogen gas It could explode by improper handling causing 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 Spr...

Page 72: ...rear suspension 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 For MM600 N CD E N CD E A Spring adjuster position 1 2 3 4 5 Preload Soft Hard È Standard front 3 B Spring adjuster position 1 2 3 4 5 6 7 Preload Soft Hard É Standard rear 4 ...

Page 73: ... For VX600ER N CD E C Spring adjuster position 1 2 3 4 5 Preload Soft Hard Ê Standard front 3 D Spring adjuster position 1 2 3 4 5 6 7 Preload Soft Hard Ë Standard rear 4 E Spring adjuster position 1 2 3 4 5 6 7 Preload Soft Hard Ì Standard rear 2 ...

Page 74: ...not subject the shock absorber to an open flame or other high heat sources 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 F G Spring seat length Standard Long Short Preload Hard Soft Í a Length front Maximum 96 8 mm 3 81 in 86 8 mm 3 42 in Minimum 76 8 mm 3 02 in Î...

Page 75: ...urn while holding the adjusting bolt 2 securely with a wrench so it does not move CAUTION Never allow the adjusting bolt 2 to move while loos ening the nut 2 Turn the adjusting bolt 2 to the desired position CAUTION Make sure that the adjusting bolt ends are set at the same position on each side 3 While holding the adjusting bolt securely tighten the full rate adjusting nut 1 CAUTION Never allow t...

Page 76: ... 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 Never install studs cleats closer than 76 mm 3 in from the edge of the track Drive track deflection measurement 1 Lay the snowmobile on its side 2 Measure ...

Page 77: ...rt the engine and rotate the drive track one or two turns Stop the engine 4 Check the drive track alignment with the slide runners 3 If the alignment is incorrect align the drive track by turning the left and right adjusters CD 08E 8 Slide runners 9 Drive track 0 Slide metal a Gap b Forward 5 Adjust the drive track deflection to specification CD 09E 6 7 Drive track alignment 6 Shifted to right 7 S...

Page 78: ...ent is achieved 7 Tighten the rear axle nut ESU00200 Ski alignment 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 2 ft lb Ski toe out 1 2 0 15 mm 0 0 59 in ...

Page 79: ...just the handlebar height to the desired position 3 Tighten the handlebar bolts and install the handlebar cover CAUTION Make sure that the small gap a side of the handlebar holders faces forward b For MM600 SX600 1 Remove the handlebar cover 1 È MM600 É SX600 2 Loosen the handlebar bolts Handlebar bolt tightening torque 23 Nm 2 3 m kgf 17 ft lb A B ...

Page 80: ...X600 CAUTION Make sure that the projection on the handlebar is not installed into the area a shown 4 Tighten the handlebar bolts and install the handlebar cover CAUTION Make sure that the small gap b side of the handlebar holders faces forward c A B Handlebar bolt tightening torque 23 Nm 2 3 m kgf 17 ft lb ...

Page 81: ...le ends WARNING Apply a dab of grease onto the cable end only Do not grease the brake or throttle cables 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 82: ...lb 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 ESU00212 Headlight beam adjustment 1 Turn the headlight beam adjuster 1 in or out to adjust the headlight beam Headlight beam moves a Dow...

Page 83: ...is poisonous and dangerous It contains sulfuric acid and can cause severe burns Avoid contact with skin eyes or clothing ANTIDOTE EXTERNAL Flush with water INTERNAL Drink large quantities of water or milk Follow with milk of magnesia beaten egg or vegetable oil Call physician immediately EYES Flush with water for 15 minutes and get prompt medical attention Batteries produce explosive gases Keep sp...

Page 84: ...e sure that the main switch is turned off to pre vent accidental short circuiting 1 Lift up the shroud 2 Replace the blown fuse with one of proper amperage NOTE If the fuse immediately blows again ask a Yamaha dealer to inspect the snowmobile 5 Spare fuses 20 A 10 A 6 Spare main fuse Specified fuses 1 Main fuse 30 A 2 HEAD fuse 20 A 3 TAIL fuse 10 A 4 IGNITION fuse 10 A ...

Page 85: ...e wire harness connec tors together to bypass the T O R S WARNING Before bypassing 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 For MM600 SX600 Short circuit in the lighting system sig nal system and meter system except for t...

Page 86: ...belt clutch settings for alti tude or conditions Ask a Yamaha dealer to inspect E Engine constantly backfires or mis fires 1 Faulty spark plugs Replace the spark plugs 2 Clogged fuel system See A 1 above 3 Malfunctioning T O R S system See A 2 above F Engine overheats 1 Insufficient coolant Add coolant 2 Air in cooling system Bleed air or ask a Yamaha dealer to inspect 3 Leaking coolant Ask a Yama...

Page 87: ...assembly Ask a Yamaha dealer to inspect 4 Worn or sticking secondary sheave assembly Ask a Yamaha dealer to inspect 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 Yamah...

Page 88: ...s 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 Fogging Oil or an equivalent fog ging oil to protect both the combustion chamber and crankshaft from corrosion An alternate method is to remove the car buretor silencer and squirt oil into the car buretor throats while the engine is running CAUTION...

Page 89: ...e in a dry well venti lated place out of direct sunlight Put a fab ric cover over the snowmobile preferably one that is designed for it Do not use a plastic or vinyl cover condensation could be trapped underneath which could increase the chances of rusting Returning to service after storage When returning your snowmobile to ser vice reinstall the V belt and adjust the drive track Install the batte...

Page 90: ...weight 234 kg 516 lb MM600 222 kg 489 lb SX600 257 kg 567 lb VT600 229 kg 505 lb VX600ER Ski tread 980 mm 38 6 in MM600 1 070 mm 42 1 in SX600 VT600 VX600ER MM600 SX600 VT600 VX600ER Type Liquid cooled 2 stroke 7 port Cylinder arrangement Parallel 3 cylinder Displacement 593 cm3 Bore Stroke 65 0 59 6 mm 2 56 2 35 in Idle speed 1 600 100 r min Engine oil type YAMALUBE 2 cycle oil Carburetor type MI...

Page 91: ...uple polyethylene 9 teeth SX600 VT600 VX600ER Transmission Type Automatic centrifugal engagement infinite ly variable 3 8 1 1 1 Sheave distance Approx 268 5 mm 10 57 in Sheave offset Approx 15 mm 0 59 in MM600 SX600 Approx 20 mm 0 79 in VT600 VX600ER Engagement speed Approx 4 600 r min MM600 Approx 4 200 r min SX600 Approx 4 000 r min VT600 VX600ER Shift speed Approx 8 500 r min Drive chain Silent...

Page 92: ... VX600ER Ignition system DC CDI Spark plug Type BR9ES NGK Gap 0 7 0 8 mm 0 028 0 031 in Battery Capacity GM18Z 3A 12 V 20A h VT600 VX600ER Maximum charge rate 2 0 Amperes hr for 10 hrs VT600 VX600ER Headlight Bulb Quantity 12 V 60 55 W 2 Tail brake light Bulb Quantity 12 V 8 23 W 1 Meter light Bulb Quantity 12 V 1 7 W 2 Indicator light Bulb Quantity 12 V 1 7 W 3 MM600 SX600 VT600 VX600ER ...

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Page 94: ...OPEN 0 9 B W B Y Ch Ch RUN IDLE B Y L R Br W Y R B B Y B W Br O Gy W G W R W G W B L W Y W B W C B Y B G R B W Y Br W Lg G R O W Br Gy B Y R WHITE G W G B Y Y B L W L R W B W R Y W BLACK I H O B B W I H B B W I H J B B K B Y W W B Y W B R Y W G W B Y W B R L W W B L W F W B BLACK BLACK BLACK BLACK BLACK P L R L R L R B O B Y L R O B L R Y R L Br Br W O B O B C O B O B O B D LO HI OFF L M G R Y L O...

Page 95: ...ail brake light U Fuel sender V Oil level switch W Speedometer X Oil level warning indicator light Y Coolant temperature warning light Z High beam indicator light Speedometer light Tachometer light Tachometer Fuel meter a Headlight b Headlight beam switch c Headlight relay with the black cou pler d Load control relay with the white cou pler e IGNITION fuse VT600 VX600ER f TAIL fuse VT600 VX600ER g...

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