User manual YAMAHA RS

[. . . ] OWNER'S MANUAL RS90RX RS90GTX RS90GTAX RS90LTX RS90LTGTX LIT-12628-02-70 8GM-28199-10 ESU10040 Introduction ESU10120 Congratulations on your purchase of a Yamaha snowmobile. This model is the result of Yamaha's vast experience in the production of fine sporting and touring snowmobiles. It represents the high degree of craftsmanship and reliability that have made Yamaha a leader in these fields. This manual will give you an understanding of the operation, inspection, and basic maintenance of this snowmobile. [. . . ] Remove the shroud and the right side cover. (See page 40 for removal procedures. ) Loosen the locknut. Turn the adjusting bolt in or out until the specified throttle cable free play is obtained. CAUTION: G G G Be sure to have a Yamaha dealer make this adjustment. Make sure that the throttle lever moves smoothly. Make sure that the carburetor is synchronized first. (See page 40 for removal procedures. ) Start the engine and warm it up. Turn the throttle stop screw in or out to adjust the engine idling speed. 2. Throttle cable free play adjusting bolt 3. Throttle cable free play 43 Periodic maintenance Throttle cable free play: 2. 0­3. 0 mm (0. 08­0. 12 in) 4. Install the right side cover and the shroud. ESU11861 Checking the throttle override system (T. O. R. S. ) Check the T. O. R. S. for proper operation. 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. 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 1. 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. ESU12920 NOTE: Refer to the "Starting the engine" section on page 28. 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. Checking the air filter Always check that there is no snow under the air filter element frame. Remove the shroud, the left side cover, the right side cover, and the top cover. (See page 40 for removal procedures. ) 44 Periodic maintenance 2. Remove the headlight unit bolt on each side of the snowmobile. Lift up the air filter element frame and check the air filter element. [. . . ] 40 Ski damping force, adjusting (RS90GT / RS90GTA / RS90LTGT) . . . . . 22 Ski spring preload, adjusting . . . . . . . . . . . . . . . . . . . . 22 Skis and ski runners . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 Spark plugs, checking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ]