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Read this manual carefully before operating this vehicle. OPERATOR’S MANUAL SXV4NP SXV4NMP TR4NTP TRT4NP TR8NTSP MM8N54EP MM8N54P MM8N65EP LIT-12628-03-91 8NT-F8199-72...
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Keep this Operator’s Manual with this vehicle at all times. If you lose your manual, contact your authorized dealer for instructions or Yamaha Customer Service (refer to page 55 for the contact information) for manuals or proper registration information.
If the snowmobile changes own- ership more than once, contact Yamaha Customer Service (refer to page 55 for the con- tact information), for proper registration information. This manual was prepared by the Product Service and Warranty Department of Yamaha.
The Engine Serial Number (ESN) is the complete engine must be replaced, stamped into the crankcase of the engine. ask the dealer to notify Yamaha for cor- rect registration information. Control Locations Shown below are the typical control loca- tions for Yamaha snowmobiles.
6 hours. This additional fuel and oil is of the Yamaha snowmobile engine. less than the amount added during Stage One. CAUTION Any oil used in place of the recom- The break-in period occurs in two stages.
If the indicator does not go out or if the Indicator engine does not start, take the snowmo- The indicator flashes when cold-starting bile to an authorized Yamaha Snowmo- the engine. The indicator and LOW bile dealer. If not under warranty, this TEMP display will cease to flash when...
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E. Coolant Temperature/ NOTE: The left toggle of the gauge Battery Voltage/Intake Air control button is the same as the upper left button on the gauge. Temperature/Exhaust Temperature Display This bar display shows coolant tempera- ture, battery voltage, intake air tempera- ture, and exhaust temperature.
H. Engine Hour Meter/ 4. Speedometer/Tachometer Display — Indicates approximate vehicle Odometer/Trip Meter/ speed in MPH or KM/H when the Clock speedometer function is selected, This display shows engine hours, odome- and RPM when the tachometer func- ter, trip meter, or clock. Press the Lower tion is selected.
70° C (158° a code has been activated, take the snow- F). Once the coolant temperature mobile to an authorized Yamaha Snow- reaches the specified temperature of mobile dealer for service. If not under 75° C (167° F), the temperature sen-...
Also, the coolant level should be checked daily. If leakage or damage is detected, take the snowmobile to an authorized Yamaha Snowmobile dealer for service. If not under warranty, this service is at the discretion and expense of the snow- mobile owner.
Jump-Starting electrical accessories, and turn the NOTE: Yamaha does not recom- ignition switch OFF. mend jump-starting a snowmobile NOTE: Make sure all switches on...
Take the snowmobile to an authorized jumper cables. Yamaha Snowmobile dealer for this service. If not under warranty, this service is at the 10. Remove the jumper cables in oppo- discretion and expense of the snowmobile site order of hook-up (4, 3, 2, 1).
To minimize possible damage, consult your stud man- ufacturer for installation and stud pattern recommendations. Yamaha does not rec- ONS-061 ommend studding a track. Paddle Track (on equipped models)
CAUTION CAUTION Never shift into reverse while the If the snowmobile is equipped with snowmobile is moving forward as it ice scratchers, the scratchers must is hard on the driven clutch torque be disengaged or component dam- bracket and the cam rollers. age will occur.
Removable Seat All models excluding Mountain Max SL To remove the seat, remove the screw from the underside of the seat, disconnect the seat heater harness (if equipped), and then lift the back of the seat and move it up and rearward to remove it.
2-Up Passenger Seat (Transporter Lite) NOTE: If additional cargo is being added, maximum weight on the snow- mobile (operator/passenger/cargo) should not exceed the maximum lim- itation set for each snowmobile. See the chart in the Suspension — Over- load Springs sub-section in the Main- tenance section for details.
NOTE: Take the snowmobile to an temperature sensor located in the expansion authorized Yamaha Snowmobile dealer chamber. A reading of either 0 ohm or infin- for this service. This service is at the ity indicates a failed sensor.
Operating Instructions Pre-Start 3. If the brake fluid is below the high brake fluid mark, add Yamaha- It is imperative that the brake system be approved DOT 4 brake fluid until checked for wear and proper operation the fluid is at the recommended and that all safety checks be performed level.
Starting and Stopping NOTE: When the engine starts, Engine allow it to warm up properly. Idle the engine several minutes until the 1. Move the engine stop switch to the engine has reached normal operating UP or RUN position. temperature.
The following items are items that the ! WARNING operator must be familiar with when operating this snowmobile and its Use only Yamaha-approved DOT 4 hydraulic brake system. Important addi- brake fluid. Never substitute or mix tional information on the proper mainte-...
If the owner does features (ignition switch, engine stop not feel qualified, take the snowmo- switch, tether switch, headlight, tail- bile to an authorized Yamaha Snow- light, and brake light) will operate mobile dealer for this service. This properly.
2. If the lubricant level is low, remove the fill plug and add Yamaha Syn- 2. If the lubricant level is low, remove thetic Chain Case Lube through the the fill plug from the chain case fill plug hole.
445 mL (15 oz) 7. Remove the fill plug from the chain of Yamaha Synthetic Chain Case case cover and add Yamaha Syn- Lube through the fill plug hole. thetic Chain Case Lube through the When the lube is halfway up the sight fill plug hole.
Maintenance Periodic Maintenance Checklist Item Interval Page Remarks Battery Daily 10, 28 Check for proper charge and tight connections Brake System Daily 33 Check for binding, leakage, and proper operation; lever firmness, travel, caliper, disc, and pads Chain Case Daily 22 Check lube level and for leakage Cooling System Daily...
Why Yamalube gasoline before storage. Yamaha Fuel YAMALUBE oil is a Genuine YAMAHA Stabilizer should also be added to the last Part born of the engineers’ passion and tank of gasoline before storage.
Varying terrain conditions and operating usage may require spark plugs of a differ- ent heat range. For example, sustained cross-country riding will usually require colder heat-range spark plugs while trail riding or other continual slow speed operation will usually require hotter heat- range spark plugs.
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CAUTION further inspection. Take the snowmo- bile to an authorized Yamaha Snowmo- Ensure the cables are rotated and bile dealer for this service. secured properly to avoid contacting exhaust components.
If the owner does not feel qualified, take the snowmo- bile to an authorized Yamaha Snow- mobile dealer for this service. This service is at the discretion and expense of the snowmobile owner.
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7. After charging the battery for the NOTE: At this point if the meter specified time, remove the battery reads as specified, the battery may be returned to service (see step 9). charger and allow the battery to sit for 1-2 hours.
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If the owner does not feel qualified, take the snowmo- bile to an authorized Yamaha Snow- mobile dealer for this service. This service is at the discretion and expense of the snowmobile owner.
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NOTE: If battery posts or cable Battery Charging Chart ends have a build-up of white/green (Constant-Current Charger) powder residue, apply water and Battery Charge Time baking soda to neutralize acid; then Charge Voltage Required flush off with warm soapy water. State (DC) (at 1.5-2.0 Amps)
If the fuse continues to mined, perform the following steps: blow, take the snowmobile to an autho- rized Yamaha Snowmobile dealer for ser- 1. Locate the fuse block and remove vice. If not under warranty, this service is the fuse block cover.
Brake System ! WARNING Yamaha recommends that the brake sys- Do not overfill the brake fluid reser- tem (brake lever, fluid reservoir, hose, voir. Overfilling the reservoir may caliper, pads, and brake disc) be checked cause the brake system to hydrauli-...
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Never allow the brake fluid bile to an authorized Yamaha Snow- to go below the low brake fluid mark mobile dealer for this service. This in the reservoir.
1. Remove the brake fluid reservoir cover; 7. Install both brake pads into the cali- then remove most of the brake fluid per; then install the hairpin clip into from the reservoir. Install the cover. the caliper assembly. CAUTION Brake fluid is highly corrosive. Do not spill brake fluid on any surface of the snowmobile.
NOTE: This procedure stabilizes not feel qualified, take the snowmo- the pad material and extends the life bile to an authorized Yamaha Snow- of the pads. mobile dealer for this service. This service is at the discretion and Drive Belt expense of the snowmobile owner.
NOTE: When inserting the tool, nel causing the track to “lock.” Yamaha make sure the tool is seated on the recommends that the track tension be flat portion of the movable sheave...
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Checking Track Tension 3. At the midpoint of the track (shock pad), hook a spring scale around a Mountain Max/SXVenom track clip; then pull down on the Mountain scale to 9 kg (20 lb). Measure the deflection (distance) between the ! WARNING bottom of the wear strip and the inside surface of the track clip.
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2. If the deflection (distance between the bottom of the wear strip and the inside surface of the track clip) exceeds specifications, tighten the adjusting bolt(s) to take up excessive slack in the track. 3. If the distance between the bottom of the wear strip and the inside surface of the track clip is less than specified, loosen the adjusting bolts to increase...
Excessive wear to the idler wheels, drive lugs, and track will occur if the track is improperly aligned. Yamaha recommends that the track alignment be checked once a week or whenever the track tension is adjusted.
Take the snow- mobile to an authorized Yamaha Snowmo- ! WARNING bile dealer for this service. If not under warranty, this service is at the discretion Always make sure the adjusting bolts and expense of the snowmobile owner.
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Spend time to tension and the limiter straps are adjust- determine setting preferences. able. However, Yamaha recommends that the shock spring be maintained at the fac- tory preset of 3.2-6.4 mm (1/8-1/4 in.) preload. Tightening the skid frame front...
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Cam damage may occur. 0755-182 Overload Springs 0755-005 NOTE: Yamaha recommends that the overload springs be engaged whenever a load on the snowmobile (operator/cargo) exceeds 136 kg (300 lb). CAUTION There are weight limitations for these snowmobiles.
Lights 5. Engage the brake lever lock and start the engine. Move the headlight dim- For the correct headlight bulb and/or tail- mer switch to the LOW beam posi- light/brake light LED, see the appropriate tion. DO NOT USE HIGH BEAM. specifications sheet.
To maintain positive steering characteris- 5. Engage the brake lever lock and start tics, Yamaha recommends that the ski wear the engine. Move the headlight dim- bars be checked before each use and...
NOTE: When the wear bars are removed, measure the thickness of both wear bars to see if they are within the wear limit of 8.0 mm (0.31 in.). Replace as necessary. Installing 1. Move the wear bar into position on the bottom of the ski.
Rail Wear Strips If wear strip measurements are less than specified, replacement of both wear strips Yamaha recommends that the wear strips is necessary to prevent premature track be checked weekly and replaced as nec- clip wear and possible track damage.
#30 petroleum-based oil into component deterioration. An authorized each spark plug hole and pull the Yamaha Snowmobile dealer should per- recoil starter handle slowly about form this service; however, the owner/oper- 10 times. ator can perform this service if desired. This C.
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17. If possible, store the snowmobile 18. If the snowmobile must be stored out- indoors. Raise the track off the floor doors, position the snowmobile out of by blocking up the back end making direct sunlight; then block the entire sure the snowmobile is secure.
Make sure all connections are trouble-free snowmobiling. Yamaha rec- tight; then fill the oil-injection reservoir ommends the following procedure: with the recommended 2-cycle oil.
If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should imme- diately inform Transport Canada in addi- tion to notifying Yamaha Motor Canada Ltd, Canada. If Transport Canada...
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All new Yamaha snowmobiles purchased normal wear or routine maintenance includ- from an authorized Yamaha dealer in the ing oil, spark plugs, clutch drive belts, slide customer's country of residence (United runners, and tracks.
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Yamaha exactly as speci- RIGHTS WHICH VARY FROM fied in the Owner’s Manual? STATE TO STATE/PROVINCE TO A. No. The warranty on a new Yamaha PROVINCE. cannot be “voided” or “canceled.” SPECIAL EARLY-SEASON However, if a particular failure is...
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Yamaha by the selling dealer at the request at any later date. time of your purchase. 3. In addition, each Yamaha snow-...
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YAMAHA EXTENDED This excellent Y.E.S. plan coverage is SERVICE (Y.E.S.) FOR only available to Yamaha owners like you, and only while your Yamaha is still U.S.A. CUSTOMERS within the Yamaha Limited Warranty Keep your Yamaha protected even after period. So, visit your authorized Yamaha your limited warranty expires with genu- dealer to get all the facts.
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Plan gives you bullet-proof • With Yamaha Motor Protection Plan, protection from the unexpected. And Yamaha is ready to step in to make it’s as easy to understand and use any needed repairs (excluding those as your Yamaha factory warranty.
Phone: _________________________________________________ Parts and Accessories When in need of replacement parts, oil, or accessories for your Yamaha Snowmobile, be sure to only use GENUINE YAMAHA PARTS, OIL, AND ACCESSORIES. Only genu- ine Yamaha parts, oil, and accessories are engineered to meet the standards and require- ments of your Yamaha Snowmobile.
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Printed in U.S.A. 2022.xx-x.x×1 AC Printed on recycled paper...