2008 Yamaha Motorsports FX Nytro RTX Owners Manual - Page 52
2008 Yamaha Motorsports FX Nytro RTX Manual
Page 52 highlights
Periodic maintenance EWS00351 WARNING When checking the T.O.R.S.: G Make sure that the parking brake is applied. G Make sure that the throttle lever moves smoothly. G Do not rev the engine to the point that the clutch engages, otherwise the snowmobile could start moving, which could cause an accident. 1. Start the engine. NOTE: Refer to the "Starting the engine" section on page 31. 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 and the engine stop switch housing. While holding the pivot point as described above, press the throttle lever gradually. 1. Throttle lever pivot 2. Engine stop switch housing 3. Throttle lever The T.O.R.S. will be activated and the engine speed will be limited to less than the clutch engagement speed. (See page 74 for the clutch engagement speed.) EWS00361 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. ESU12801 Checking the air filter Always check that there is no snow under the air filter element frame. 1. Remove the shroud, the left side cover, and the right side cover. (See page 43 for removal procedures.) 46