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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
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