2012 Yamaha Motorsports FX Nytro M-TX 153 Owners Manual - Page 16
2012 Yamaha Motorsports FX Nytro M-TX 153 Manual
Page 16 highlights
Control functions ESU10292 Main switch The main switch controls the ignition and lighting systems. The various positions are described below. throttle is spring-loaded, the snowmobile will decelerate, and the engine will return to idle when it is released. 1 2 3 1. Throttle lever ESU10347 1. Off 2. On 3. Start Throttle override system (T.O.R.S.) EWS00041 Off The ignition circuit is switched off. The key can be removed only in this position. 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. Continuing to operate with a malfunction could cause loss of control or damage. If the throttle valves or throttle cable malfunctions during operation, the T.O.R.S. will be activated when the throttle lever is released. The T.O.R.S. is designed to override the fuel injection and limit the engine speed to less than the clutch engagement speed if the throttle valves fail to return to the idle position when the throttle lever is released. (See page 87 for the clutch engagement speed.) On The ignition circuit is switched on. Start The starting circuit is switched on. The starter motor cranks the engine. NOTICE: Release the switch immediately after the engine starts. [ECS00021] TIP The headlights and taillight come on after the engine is started. ESU10312 Throttle lever Once the engine is running cleanly, squeezing the throttle lever will increase the engine speed and cause engagement of the drive train. Regulate the speed of the snowmobile by varying the throttle position. Because the 10