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Fuel System
Troubleshooting
Engine Won't Start
Too much fuel getting to theengine
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Air c1eaner clogged
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Flooded carburetor
Intake air leak
Fuel contaminated/deteiiorated
No fuel to carburetor
Fuel strainer clogged
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Fuel tube clogged
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Fuel valve stuck
Float level misadjusted
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Fuel tank breather hole cloqqed
lean Mixture
Fuel jets clogged
Float valve faulty
Float level too low
Fuel line restricted
Carburetor air vent tube clopqed .
Intake airleak
Throttle valve faulty
Vacuurn pistonfaulty
Rich Mixture
Bystarter valve in ON position
Float val ve faulty
Float level too high
Air jets clcpqed
Air cleaner element contaminated
Flooded carburetor
Engine StaHs, Hard To Start, Rough Idling
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Fuel line restricted
Ignitlon malfunction
Fuel mixture too lean/rich
Fue! contaminated/deteriorated
Intake 'air lea k
Idle speed misadjusted
Float level misadjusted
Fuel tank breatherhole clogged
Pilot screw misadjusted
Slow circuit or bystarter circuit cloqqsd
5-2
Afterburn When Engine Braking 15 Used
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Lean mixture inslow circuit
Backfiring Or Misfiring During Acceleration
Ignition system faulty
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Fuel mixture too lean
Poor Performance (Driveability) And Poor Fuel Economy
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Fuel system clogged
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Ignition malfunction
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