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Important manual information ESU10151 Particularly important information is distin- guished in this manual by the following nota- tions. This is the safety alert symbol. It is used to alert you to potential personal injury haz- ards. Obey all safety messages that follow this symbol to avoid possible injury or death.
Read and understand all of the labels on your vehicle. They contain important information for safe and proper operation of your vehicle. Never remove any labels from your vehicle. If a label becomes difficult to read or comes off, a replacement label is available from your Yamaha deal- PZ50...
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Location of the important labels 1 PZ50 1 PZ50RT/PZ50GT/PZ50MT 1 PZ50VT...
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Location of the important labels 4 PZ50RT WARNING This unit contains high pressure nitrogen gas. Mishandling can cause explosion. • Read owner’s manual for instructions. • Do not incinerate, puncture or open. AVERTISSEMENT Cette unité contient de I’azote à haute pression. Une mauvaise manipulation peut entraîner d’explosion.
PZ50, PZ50RT, PZ50GT and PZ50MT are controls and their function. Consult a designed to carry the OPERATOR ONLY. Yamaha dealer about any control or func- Passengers are prohibited. Carrying a pas- tion you do not understand. senger can cause loss of control.
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Many surfaces such as ice and hardpacked cessories or offer other modifications for snow require much longer stopping distanc- Yamaha vehicles. Yamaha is not in a position es. Be alert, plan ahead and begin deceler- to test the products that these aftermarket ating early.
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Description The snowmobile you have purchased may differ slightly from those shown in the figures of this manual. Design and specifications are subjected to change without notice.
Control functions ESU10292 Main switch The main switch controls the ignition and lighting systems. The various positions are described below. 1. Throttle lever ESU10321 Engine overheating prevention system This model is equipped with a system, which 1. Off prevents overheating when the engine is 2.
Control functions tle valves fail to return to the idle position Trouble when the throttle lever is released. (See page 81 for the clutch engagement speed.) Idling / Running Trouble starting Throttle switch Throttle position Closed Open Open sensor T.O.R.S. Engine will oper- 1.
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Control functions a digital speedometer (which shows the riding speed) an odometer (which shows the total dis- tance traveled) a tripmeter (which shows the distance trav- eled since it was last set to zero) an engine speed meter (which shows the engine speed;...
Control functions To switch the speedometer, odometer, and tripmeter displays between kilometers and miles, select the odometer mode “ODO”, and then push the “SELECT” button for at least 10 seconds while the snowmobile is stopped. Use the engine speed meter only when checking the snowmobile and performing basic maintenance.
1. Drive “D” indicator light (PZ50RT / If the knock control system “KCS” indi- PZ50GT / PZ50MT / PZ50VT) cator light is flashing, have a Yamaha 2. Reverse “R” indicator light (PZ50RT / dealer inspect the snowmobile as soon PZ50GT / PZ50MT / PZ50VT) as possible.
Control functions Fuel meter The display segments of the fuel meter disap- pear towards “E” (Empty) as the fuel level de- creases. When only one segment is left near “E”, the fuel level warning indicator and the warning light come on. 1.
Add engine oil as tinuously. soon as possible. If this occurs, have a Yamaha dealer inspect If the oil level warning indicator and the warn- the snowmobile as soon as possible. ing light do not go off, check the engine oil lev-...
Control functions ror code will flash slowly in the tripme- ter/odometer display. Note the error code, and then have a Yamaha dealer inspect the snowmobile as soon as possible. NOTICE: Do not continue to operate the engine longer than necessary if there is an error code to avoid possible engine damage.
Control functions ESU10661 To lower the temperature Headlight beam switch Continue to press the switch until the temper- “LIGHTS” ature level returns to the minimum level, and Push the headlight beam switch to change the then raise the temperature to the desired lev- headlight to high beam “HI”...
Control functions Do not use an automotive cigarette light- er or other accessory with a plug that gets hot because the jack can be dam- aged. Maximum rated capacity: DC 12 V, 2.5 A (30 W) ESU10550 Brake lever The snowmobile is stopped by braking the en- 1.
Control functions 1. Shroud latch 1. Top cover 2. Right upper cover ECS00140 3. Right side cover NOTICE 4. Right lower cover Make sure that all cables and wires are in place when closing the shroud. ESU10731 Shroud and covers Securely fasten the shroud and covers before operating the snowmobile.
Control functions ECS00830 NOTICE Never run the engine with the V-belt re- moved. Clutch components can be dam- aged. The drive guard is designed to cover the V- belt clutch and V-belt in case parts break or come loose. 1. Right upper cover 2.
Control functions When storing a spare V-belt in the storage pouch, be sure to secure it with the hook and loop fastener. 1. Storage pouch buckle To install the storage pouch Fasten the storage pouch upper buckles. Pass the storage pouch lower strap be- tween the bracket and the frame, and 1.
Control functions ESU10621 Fuel Make sure there is sufficient gasoline in the tank. EWS00071 WARNING Gasoline and gasoline vapors are ex- tremely flammable. To avoid fires and ex- plosions and to reduce the risk of injury when refueling, follow these instructions. 1.
Control functions If you are not familiar with suspension adjust- Recommended fuel: ments, have a Yamaha dealer make these PREMIUM UNLEADED GASOLINE ONLY adjustments. Fuel tank capacity: EWS00151 PZ50 26.7 L (7.05 US gal, WARNING 5.87 Imp.gal) Read and understand the following infor- PZ50GT 26.7 L (7.05 US gal,...
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Control functions PZ50 / PZ50MT / PZ50VT the spring preload and thereby soften the suspension, turn the adjusting nut in di- rection (b). The spring preload setting is determined by measuring distance A, shown in the illustra- tion. The longer distance A is, the higher the spring preload;...
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Control functions 1. Shock absorber pump 1. Air valve cap To adjust the air pressure Install the hose connector of the shock absorber pump onto the air valve of the EWS00621 WARNING shock absorber and tighten it approxi- Support the snowmobile securely on a mately six turns until the pressure regis- suitable stand before adjusting the shock ters on the pump gauge.
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Control functions air pressure, push the black bleed valve button. NOTICE: Do not exceed 1034 When removing the connector, the sound of kPa (10.3 kgf/cm², 150 psi). [ECS00732] air escaping may be heard, but this is from the pump hose, not the shock absorber. Install the air valve cap.
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Control functions Compression damping setting: Minimum (soft): The damping forces will not decrease past the 12 click(s) in direction (b)* minimum levels even if the adjusting knobs Standard: are turned out more than the minimum set- 7 click(s) in direction (b)* tings.
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Control functions To increase the spring preload and thereby Spring preload setting*: harden the suspension, turn the adjusting ring Minimum (soft): in direction (a). To decrease the spring pre- 112.5 mm (4.43 in) Standard: load and thereby soften the suspension, turn 113.5 mm (4.47 in) the adjusting ring in direction (b).
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Control functions Spring preload setting: Minimum (soft): Standard: Maximum (hard): ESU13092 Adjusting the 2-up adjusting blocks (PZ50VT) EWS00760 1. 2-up position (rider and passenger) WARNING 2. Solo rider position 3. Special tool Make sure that the 2-up adjusting blocks 4. Lock pin are installed in the same position on both sides of the snowmobile, otherwise poor Pull the lock pin and turn the special tools...
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Control functions 1. Compression damping force adjusting screw Compression damping force setting: Minimum (soft): 20 click(s) in direction (b)* Standard: 11 click(s) in direction (b)* Maximum (hard): 1 click(s) in direction (b)* * With the adjusting screw fully turned in direction (a) ESU11033 1.
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Control functions 1. Red paint area 2. Adjustable range 3. Standard position Tighten the locknut while holding the ad- justing nut in place. Locknut tightening torque: 25 Nm (2.5 m·kgf, 18 ft·lbf)
• Make sure that drive guard is tightened securely. Drive guard • Check the drive guard mounts for damage. • Check operation. • If soft or spongy, have Yamaha dealer bleed hy- draulic system. • Check brake pads for wear. Brake •...
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CHECKS PAGE • Check for wear and damage. Skis and ski runners • If necessary, have Yamaha dealer replace skis or ski runners. • Check for deflection, wear and damage. Drive track • If necessary, have Yamaha dealer replace track.
If the engine does not start or if it stops Turn the main switch to the start position again, ask a Yamaha dealer to inspect the and release it when the engine starts. snowmobile.
Learning to ride your snowmobile ing the engine break-in period, immedi- Before you ride, always perform the pre-oper- ately have a Yamaha dealer check the ation checks listed on page 34. The short time snowmobile. spent checking the condition of the snowmo-...
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Operation maximum performance until you are totally fa- As you approach a curve, slow down and be- miliar with the snowmobile’s handling and gin to turn the handlebar in the desired direc- performance characteristics. tion. As you do so, put your weight on the The beginning operator should select a large running board to the inside of the turn and flat area to become familiar with the snowmo-...
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Operation risk of an accident. Do not try steeper or Riding downhill more difficult inclines until you have de- EWS00240 WARNING veloped your skill on gentle slopes. Use extra caution when applying the brake You should practice first on gentle slopes. Try during a descent.
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Operation the seat and the foot of your uphill leg on the Hard-packed snow running board. This position will make it easi- It can be more difficult to negotiate on hard- er for you to shift your body weight as needed. packed snow as both the skis and drive track do not have as much traction as when the snowmobile is operated on fresh snow.
Maximizing drive track life manufacturer for installation and stud pattern Recommendations recommendations. Track tension Yamaha does not recommend track stud- During initial break-in, the new drive track will ding. tend to stretch quickly as the track settles. Be ESU11360 Strap (PZ50MT)
Operation Keep the right hand on the right handle- Squeeze the brake lever to stop the bar grip for steering, and grip the strap snowmobile. with the left hand to shift weight uphill Apply the parking brake by moving the for balance during traverse riding.
Operation EWS00321 WARNING Make sure that the throttle lever is fully released and the snowmobile is at a full stop before shifting. Be sure to press the drive select switch only while the engine is idling. Make sure that the reverse “R” indicator light comes on and remains on, and that the area behind the snowmobile is clear 1.
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Operation help protect against corrosion. Be sure to clean the snowmobile when you get to your destination to remove any corrosive salts.
Yamaha dealers are trained and equipped to perform these particular services. ESU11461 Periodic maintenance chart for the emission control system Items marked with an asterisk should be performed by a Yamaha dealer as they require special tools, data and technical skills. INITIAL...
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Periodic maintenance and adjustment INITIAL EVERY Seasonally 1 month ITEM REMARKS PAGE or 800 km 4000 km (500 mi) (2500 mi) (40 hr) (200 hr) • Check breather hose for cracks Crankcase breather or damage. — system • Replace if necessary. •...
Periodic maintenance and adjustment ESU11561 General maintenance and lubrication chart INITIAL EVERY Seasonally 1 month ITEM REMARKS PAGE or 800 km 4000 km (500 mi) (2500 mi) (40 hr) (200 hr) • Change (warm engine before Engine oil draining) Every Engine oil filter car- •...
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Periodic maintenance and adjustment INITIAL EVERY Seasonally 1 month ITEM REMARKS PAGE or 800 km 4000 km (500 mi) (2500 mi) (40 hr) (200 hr) • Check toe-out. * Steering system • Adjust if necessary. • Check bearing assemblies for looseness.
4. Fastener PZ50VT 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 settings and adjust them if necessary. ESU11763 Removing and installing the...
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Periodic maintenance and adjustment PZ50 / PZ50RT / PZ50GT / PZ50MT 1. Air filter case cover 1. Holder on the front cover 2. Fastener 2. Projection on the air filter case cover To close the shroud and install the front cover Slowly lower the shroud to the original and air filter case cover position, and then hook the shroud latch-...
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Periodic maintenance and adjustment Remove the right upper cover by remov- ing the bolts. 1. Right side cover 2. Quick fastener screw 1. Right upper cover bolt To install the right side cover 2. Right upper cover Place the right side cover in the original posi- tion, and then tighten the quick fastener To install the right upper cover screws.
Do not at- tempt to diagnose such problems yourself. Instead, take the snowmobile to a Yamaha dealer for inspection and possible repairs. 1. Grommet You should periodically remove and inspect...
Periodic maintenance and adjustment EWS00710 When installing the spark plug, always clean WARNING the gasket surface. Wipe off any grime from Be sure to use the specified spark plug the threads and tighten the spark plug to the and spark plug cap. Otherwise, the specified torque.
Checking the throttle cable free play (PZ50VT) Check the throttle cable free play. Throttle cable free play: 2.0–3.0 mm (0.08–0.12 in) Have a Yamaha dealer adjust the free play if necessary. ESU11862 Checking the throttle override 1. Idle adjusting screw system (T.O.R.S.)
(See page 81 for the clutch engagement speed.) WARNING! If the engine speed does not decrease to less than the clutch engagement speed, stop the engine by turning the main switch to the off position and consult a Yamaha dealer.
Yamaha dealer. The dealer can tell you The oil filter cartridge should be re- if there are any changes necessary for the al- placed every 20000 km (12000 mi) of op- titude where you plan to ride.
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Periodic maintenance and adjustment Remove the oil filler cap, wipe the dipstick clean, insert it back into the oil filler hole (without screwing it in), and then remove it again to check the oil level. Start the engine, warm it up for 10–15 minutes, and then turn it off.
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Periodic maintenance and adjustment Insert the dipstick into the oil filler hole, and then tighten the oil filler cap. Connect the oil level gauge coupler. Install the right side cover (PZ50 / PZ50RT / PZ50GT / PZ50MT), or install the right side cover and the right upper cover, and then close the shroud (PZ50VT).
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“H” level mark on the dipstick. Use diately turn the engine off and have a only the recommended oil. (See page Yamaha dealer check the snowmobile. 81.) Make sure that no foreign material Continuing to operate the engine un- enters the engine oil tank.
Periodic maintenance and adjustment If you find any leaks, consult a Yamaha deal- Install the right upper cover, and then in- stall the top cover (PZ50 / PZ50RT / PZ50GT / PZ50MT) or close the shroud (PZ50VT). ESU12081 V-belt EWS00401 1.
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V-belt clutch engagement speed will fixed sheave. be changed and the snowmobile may move unexpectedly when the engine is started, which could cause an accident. Have a Yamaha dealer make this adjust- ment. ECS00520 NOTICE To ensure proper clutch performance as...
Periodic maintenance and adjustment Install the new V-belt over the primary Remove the right side cover. (See page sheave assembly. 49 for removal procedures.) Rotate the secondary sliding sheave Remove the dipstick, wipe it off with a clockwise and push it so that it separates clean rag, and then insert it back into the from the secondary fixed sheave.
Continue with steps 7 and 8 for models with You could lose braking ability, which reverse only. could lead to an accident. Ask a Yamaha dealer to inspect and repair the brake Release the parking brake. system.
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Loosen the parking brake pad locknut If the brake pads reach the wear limit, ask a and the parking brake pad adjusting bolt. Yamaha dealer to replace them. Loosen the parking brake cable locknut. Turn the parking brake cable adjusting bolt in or out to adjust the cable length.
EWS00471 WARNING 1.5–2.0 mm (0.059–0.079 in) Make sure that the brake fluid and the fol- Tighten the parking brake pad locknut. lowing parts are replaced by a Yamaha Checking the brake fluid level dealer. EWS00460 WARNING Brake fluid replacement is necessary when...
To align the skis Turn the handlebar so the skis face straight ahead. Check the following for ski alignment: Skis are facing forward. Ski toe-out (distance A – distance B) is within specification. If excessive free play is felt, consult a Yamaha dealer.
Periodic maintenance and adjustment ESU12173 Drive track and slide runners Drive track EWS00480 WARNING A broken track, track fittings or debris thrown by the drive track could be danger- ous to an operator or bystanders. Observe the following precautions: Do not allow anyone to stand behind the snowmobile when the engine is running.
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Periodic maintenance and adjustment Standard drive track deflection: Drive track Shifted to Shifted to left alignment right 30.0–35.0 mm (1.18–1.38 in) Right adjust- Turn in Turn out If the deflection is incorrect, adjust the ing nut drive track. Adjusting the drive track Lift the rear of the snowmobile onto a suit- able stand to raise the drive track off the ground.
Periodic maintenance and adjustment ECS00610 NOTICE Only use in deep snow riding condi- tions. 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 serves as a lubricant.
Periodic maintenance and adjustment PZ50 / PZ50RT / PZ50GT / PZ50MT away from the glass part of the bulb or its life and illumination will be affect- ed. If the glass is oil stained, thor- oughly clean it with a cloth moistened with alcohol or lacquer thinner.
Always shield your eyes when working near batteries. KEEP OUT OF THE REACH OF CHILDREN. Charge or have a Yamaha dealer charge the battery as soon as possible if it seems to have discharged. Keep in mind that the battery tends to discharge more quickly if the snow- 1.
Periodic maintenance and adjustment ESU12353 Replacing a fuse EWS00550 WARNING Be sure to use the specified fuse. A wrong fuse could cause electrical system dam- age or A FIRE HAZARD. ECS00631 NOTICE Be sure to turn the main switch to the off 1.
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Connect the negative battery lead by in- 5. “FAN” (radiator fan) fuse stalling the bolt. 6. “GEAR” (electric shift reverse system) fuse Install the right side cover. 7. Spare fuse If the fuse immediately blows again, ask a Yamaha dealer to inspect the snowmobile.
Clean fuel line. Compression ↓ Insufficient • Clogged injector: • Loose cylinder head nuts: Ask a Yamaha dealer to inspect. Tighten nuts properly. Fuel supplied to combustion chamber ↓ • Flooded engine: • Worn or damaged gasket: Crank engine or wipe the spark plugs Replace gasket.
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Faulty wire connections: Check connec- [ECS00671] tions or ask a Yamaha dealer to inspect. Discharged battery: Charge battery or see “Discharged battery” above. Seized engine: Seizure is caused by poor lubrication, inadequate fuel, or an air leak.
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Troubleshooting Air in cooling system: Bleed the cooling Worn or damaged bearings: Ask a system or ask a Yamaha dealer to in- Yamaha dealer to inspect. spect. Worn or damaged V-belt with flat spots: Leaking coolant: Ask a Yamaha dealer to Replace.
(gaso- the fuel increases the chance for water to en- line), rust removers or inhibitors, brake ter the engine. Use Yamaha Stor-Rite Engine fluid, antifreeze or electrolyte. Fogging Oil, or an equivalent fogging oil, to...
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Apply a coat of wax to painted surfaces. Apply that you have your snowmobile checked and suitable protectants to the exterior of the en- tuned by a Yamaha dealer. The dealer has gine, drive track, and to other metal, plastic, the experience and training to help you get and rubber parts.
Specifications ESU12466 Fuel injection: Model × quantity: TSK43 × 1 Dimensions: Manufacturer: Overall length: KEIHIN PZ50 2820 mm (111.0 in) Fuel: PZ50GT 2820 mm (111.0 in) Type: PZ50MT 3195 mm (125.8 in) PREMIUM UNLEADED GASOLINE PZ50RT 2820 mm (111.0 in) ONLY PZ50VT 3150 mm (124.0 in) Minimum pump octane (R+M)/2:...
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Specifications Overall reduction ratio: Fuel tank capacity: PZ50 8.66–2.16 :1 PZ50 26.7 L (7.05 US gal, 5.87 Imp.gal) PZ50GT 7.79–1.95 :1 PZ50GT 26.7 L (7.05 US gal, 5.87 Imp.gal) PZ50MT 9.16–2.29 :1 PZ50MT 26.7 L (7.05 US gal, 5.87 Imp.gal) PZ50RT 8.66–2.16 :1 PZ50RT 26.7 L (7.05 US gal, 5.87 Imp.gal) PZ50VT 9.00–2.25 :1...
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Specifications Low coolant temperature indicator light: Knock control system indicator light: Drive position indicator light: PZ50GT LED PZ50MT LED PZ50RT LED PZ50VT LED Reverse position indicator light: PZ50GT LED PZ50MT LED PZ50RT LED PZ50VT LED...
Record the frame serial number, engine serial number (Primary ID), and key identification number in the spaces provided for assistance when ordering spare parts from a Yamaha dealer. Also, record and keep the ID numbers in a separate place in case the snowmobile is sto- len.
WARRANTY PERIOD: WARRANTY TRANSFER: To transfer any remain- 1. All Yamaha snowmobiles shall be warranted for a ing warranty from the original purchaser to any subse- term of one (1) year from the date of purchase, plus quent purchaser, it is imperative that the machine be a special early-season extension (if applicable).
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Post Office Box 6555 specified in the Owner’s Manual? Cypress, California 90630 A. No. The warranty on a new Yamaha cannot be “voided” or “canceled.” However, if a particular failure is caused by operation or maintenance other than as shown in the Owner’s Manual, that failure may not be...
If the dealer is not able to do so, he is expected to contact Yamaha Motor If you should move after you have purchased your new Corporation, U.S.A., for clarification or assistance.