2008 Yamaha Motorsports FX Nytro RTX Owners Manual - Page 76
2008 Yamaha Motorsports FX Nytro RTX Manual
Page 76 highlights
Troubleshooting 6. Connect the other end of the black (-) jumper cable to the negative (-) terminal of the discharged battery. 4. Seized engine: Seizure is caused by poor lubrication, inadequate fuel, or an air leak-. Ask a Yamaha dealer to inspect. Low coolant temperature indicator light is flashing: Warm the engine up. Faulty spark plugs: Clean or replace the spark plugs. Improper fuel flow: See "Fuel system" above. Incorrect V-belt clutch settings for altitude or conditions: Ask a Yamaha dealer to inspect. Engine power is low 1. 2. 3. 4. ECS00670 CAUTION: Do not reverse the connections! Make sure that all connections are secure and correct before attempting to start the engine. Any wrong connection could damage the electrical system. 7. 8. Start the engine. Disconnect the black (-) jumper cable from the negative (-) terminal of the discharged battery. 9. Disconnect the black (-) jumper cable from the negative (-) terminal of the battery used to jump start the engine. 10. Disconnect the red (+) jumper cable from the positive (+) terminal of the battery used to jump start the engine. 11. Disconnect the red (+) jumper cable from the positive (+) terminal of the discharged battery. 12. Install the right side cover and the shroud. Engine constantly backfires or misfires 1. 2. 3. Faulty spark plugs: Replace the spark plugs. Clogged fuel system: See "Fuel system" above. Malfunctioning T.O.R.S.: See "Electrical system" above. Insufficient coolant: Add coolant. Air in cooling system: Bleed the cooling system or ask a Yamaha dealer to inspect. Leaking coolant: Ask a Yamaha dealer to inspect. Malfunctioning V-belt clutch: Ask a Yamaha dealer to inspect. Drive track does not move: Foreign object is caught in the drive track, or slide runners have melted to the slide metal due to lack of lubrication. Tight, loose, or broken drive chain: Ask a Yamaha dealer to inspect. Improper V-belt: Replace with the correct V-belt. Incorrect V-belt clutch offset: Ask a Yamaha dealer to inspect. Engine overheats 1. 2. 3. Snowmobile does not move 1. 2. Electric starter does not operate or operates slowly 1. 2. 3. Engine stop switch is pushed in: Pull it out. Faulty wire connections: Check connections or ask a Yamaha dealer to inspect. Discharged battery: Charge battery or see "Discharged battery" above. 3. V-belt twists 1. 2. 70