2009 Yamaha Motorsports Apex LTX Owners Manual - Page 14
2009 Yamaha Motorsports Apex LTX Manual
Page 14 highlights
Control functions ESU12691 Main switch The main switch controls the ignition and lighting systems. The various positions are described below. 1. Throttle lever ESU10321 Engine overheating prevention system 1. Off 2. On 3. Start Off The ignition circuit is switched off. The key can be removed only in this position. On The ignition circuit is switched on. This model is equipped with a system, which prevents overheating when the engine is idling. When the engine has been idling for 3 minutes or longer and the coolant temperature has risen above 100 °C (212 °F), the engine automatically stops to prevent overheating. TIP The engine can be started after it stops. ESU10345 Start The starting circuit is switched on. The starter motor cranks the engine. NOTICE: Release the switch immediately after the engine starts. [ECS00021] Throttle override system (T.O.R.S.) EWS00041 TIP The headlights, meter lighting, and taillight come on after the engine is started. ESU10312 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 bodies or throttle cable malfunctions during operation, the T.O.R.S. will operate 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 throt- 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 throttle is spring-loaded, the snowmobile will decelerate, and the engine will return to idle when it is released. 8