TROUBLESHOOTING CHECK LIST
STARTER MOTOR WON’T TURN ENGINE:
•
Gear shift lever not in neutral
•
Battery discharged
•
Battery leads do not make good contact with the battery terminals or
ground on frame
•
Fuse failure (check to find and correct the cause of the failure)
ENGINE CRANKS, BUT WON’T START:
•
No fuel in tank
•
Fuel filter clogged
•
Water in fuel
•
Choke is not used when engine is cold
•
Air filter clogged or inlet blocked
•
Engine flooded
•
Fuel tank vent clogged
•
Spark plug wire not on spark plug
•
Spark plug fouled
ENGINE STOPS:
•
No fuel in tank
•
Water in fuel
•
Fuel filter clogged
•
Choke left on too long
•
Air filter clogged or inlet blocked
•
Fuel tank cap vent clogged
•
Engine overheated
•
Too much idling or low speed running (not enough air flow)
•
Overloaded
•
Fouled spark plug
•
Engine oil low
NO POWER:
•
Engine overheated
•
Too much idling or low speed running (not enough air flow)
•
Overloaded
•
Wrong spark plug
•
Engine oil low
•
Compression leakage
•
Valve clearance insufficient
•
Fuel filter clogged
•
Air filter clogged or inlet blocked
•
Spark plug dirty or worn
•
Choke left on
•
Engine oil incorrect
•
Water in fuel
73