2008 Yamaha Motorsports Apex LTX Owners Manual - Page 17
2008 Yamaha Motorsports Apex LTX Manual
Page 17 highlights
Control functions G Be sure to use the specified spark plug and spark plug cap. Otherwise, the T.O.R.S. will not work properly. Running 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 throttle valves fail to return to the idle position when the throttle lever is released. (See page 77 for the clutch engagement speed.) Idling / starting Throttle switch Throttle position sensor Engine Off Closed Running On Open Trouble Off Open T.O.R.S. will operate. 1. Throttle position sensor (throttle valve open position) 2. Throttle switch (on) Trouble Run Run Idling / starting 1. Throttle position sensor (throttle valve open position) 2. Throttle switch (off) NOTE: G 1. Throttle position sensor (throttle valve closed position) 2. Throttle switch (off) 3. Throttle cable G When the T.O.R.S. is activated, the warning light and self-diagnosis warning indicator will flash, and the two-digit code "84" will flash in the clock display. The T.O.R.S. monitors the condition of the throttle position sensor, speedometer assembly, and speed sensor, and will operate if any of the monitored items is disconnected or is malfunctioning. 11