2012 Yamaha Motorsports RS Venture Owners Manual - Page 122

2012 Yamaha Motorsports RS Venture Manual

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Troubleshooting ESU14163 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 (RS90P / RS90PLT / RST90PGT): Ask a Yamaha dealer to check. • Clogged carburetor (RST90): Clean carburetor. G Fuel supplied to combustion chamber • Flooded engine (RS90P / RS90PLT / RST90PGT): 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] RS90P / RS90PLT / RST90PGT RST90 2. 116

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Troubleshooting
116
ESU14163
Engine turns over but does not start
1.
Fuel system
●
No fuel supplied to combustion cham-
ber
•
No fuel in tank:
Supply fuel.
↓
•
Clogged fuel line:
Clean fuel line.
↓
• Clogged
injector
(RS90P /
RS90PLT / RST90PGT):
Ask a Yamaha dealer to check.
•
Clogged carburetor (RST90):
Clean carburetor.
●
Fuel supplied to combustion chamber
• Flooded
engine
(RS90P /
RS90PLT / RST90PGT):
Crank engine or wipe spark plugs
dry.
• Flooded engine (too much choke)
(RST90):
Crank engine with throttle open or
wipe spark plugs dry.
2.
Electrical system
●
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 connec-
tors and connect wire harness con-
nectors together to bypass T.O.R.S.
WARNING! Before bypassing the
T.O.R.S., make sure that the throt-
tle returns properly to the fully
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]
RS90P / RS90PLT / RST90PGT
RST90