Starting Failure/Hard Starting - Yamaha XT 600 AC Service Manual

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STARTING FAILURE/HARD STARTING _ _
TROUBLESHOOTING
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NOTE: __________________________________________________________ __
The following troubleshooting does not cover all the possible causes of trouble. It should be helpful,
however, as a guide to troubleshooting . Refer to the relative procedure in this manual for inspection,
adjustment and replacement of parts.
STARTING FAILURE/HARD STARTING
FUEL SYSTEM PROBABLE CAUSE
Fuel tank
----------.,....-l.
Empty
• Clogged fuel filter
• Clogged fuel tank cap air passage
• Deteriorated fuel or fuel containing water
or foreign material
Fuel cock - - - - - - - - - - , - • Clogged fuel hose
L.
Clogged fuel filter
Carburetor - - - - - - - - - - , - • Deteriorated fuel, fuel containing water or
foreign material
·Clogged pilot jet
• Clogged pilot air passage
• Sucked-in air
• Deformed float
• Groove-worn needle valve
·Improperly sealed valve seat
·Improperly adjusted fuel level
·1 mproperly set pilot jet
• Clogged starter jet
• Starter plunger malfunction
Air filter - - - - - - - - - - - . Clogged air filter element
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