2012 Yamaha Motorsports Phazer R-TX Owners Manual - Page 84

2012 Yamaha Motorsports Phazer R-TX Manual

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Troubleshooting ESU12397 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: Ask a Yamaha dealer to check. G Fuel supplied to combustion chamber • Flooded engine: Crank engine 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 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] G 2. 3. G Compression Insufficient • Loose cylinder head nuts: Tighten nuts properly. ↓ • Worn or damaged gasket: Replace gasket. ↓ • Worn or damaged piston and cylinder: Ask a Yamaha dealer to check. Discharged battery If the battery is discharged, the engine can be started using a fully-charged 12-volt battery and jumper cables. EWS00580 WARNING G Connect the jumper cables only to the battery terminals. Do not connect them to the frame or any wire or other lead. 78

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Troubleshooting
78
ESU12397
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:
Ask a Yamaha dealer to check.
●
Fuel supplied to combustion chamber
•
Flooded engine:
Crank engine 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]
3.
Compression
●
Insufficient
•
Loose cylinder head nuts:
Tighten nuts properly.
↓
•
Worn or damaged gasket:
Replace gasket.
↓
•
Worn or damaged piston and cylin-
der:
Ask a Yamaha dealer to check.
Discharged battery
If the battery is discharged, the engine can be
started using a fully-charged 12-volt battery
and jumper cables.
WARNING
EWS00580
●
Connect the jumper cables only to the
battery terminals. Do not connect them
to the frame or any wire or other lead.