2011 Yamaha Motorsports RS Vector GT Owners Manual - Page 122
2011 Yamaha Motorsports RS Vector GT Manual
Page 122 highlights
Troubleshooting ESU14162 Engine turns over but does not start 1. Fuel system No fuel supplied to combustion chamber • No fuel in tank: Supply fuel. ↓ • Clogged fuel line: Clean fuel line. ↓ • Clogged injector (RS90GT / RS90LTGT / RST90GT): Ask a Yamaha dealer to check. • Clogged carburetor (RST90): Clean carburetor. G Fuel supplied to combustion chamber • Flooded engine (RS90GT / RS90LTGT / RST90GT): Crank engine or wipe spark plugs dry. • Flooded engine (too much choke) (RST90): Crank engine with throttle open or wipe spark plugs dry. Electrical system G Poor spark or no spark • Spark plugs are dirty with carbon or are wet: Remove carbon or wipe spark plugs dry. Replace if necessary. ↓ • Faulty ignition system: Ask a Yamaha dealer to check. ↓ • T.O.R.S. malfunction: Disconnect throttle switch connectors and connect wire harness connectors together to bypass T.O.R.S. WARNING! Before bypassing the T.O.R.S., make sure that the throttle returns properly to the fully G closed position. The T.O.R.S. is an important safety device; in the case of a malfunction, take the snowmobile to a Yamaha dealer immediately for repair. [EWS00561] RS90GT / RS90LTGT / RST90GT RST90 2. 3. G Compression Insufficient • Loose cylinder head nuts: Tighten nuts properly. 116