2005 Yamaha Motorsports VK 540 lll Owners Manual - Page 18
2005 Yamaha Motorsports VK 540 lll Manual
Page 18 highlights
ESU00220 Throttle lever Once the engine is running cleanly, squeezing a the throttle lever 1 will increase the engine speed and cause engagement of the drive system. Regulate the speed of the snowmobile by varying the throttle position. Because the throttle is spring-loaded, the snowmobile will decelerate, and the engine will return to idle when it is released b. WARNING @ Check the throttle, brake, and steering for proper operation before starting the engine. @ ESU00252 Throttle override system (T.O.R.S.) If the carburetor or throttle cable should malfunction during operation, the T.O.R.S. will operate when the throttle lever is released. The T.O.R.S. is designed to interrupt the ignition and stop the engine if the carburetor fails to return to idle when the lever is released. A WARNING @ If the T.O.R.S. is activated, make sure that the cause of the malfunction has been corrected and that the engine can be operated without a problem before restarting the engine. @ CA-04E B Mode A Item Throttle switch Carburetor switch Engine Idling/ starting Off On Run B Running On Off Run C Trouble Off Off Stop C È É Ê 1 2 3 4 a b Idling/starting Running Trouble Carburetor switch Throttle switch Throttle cable Throttle valve On Off 5-2