TROUBLESHOOTING
Troubleshooting Chart
Engine
Engine will not slow idle
• Carburetion problems. See your
authorized service center.
• Bent or kinked throttle cable.
• Bent governor control.
• Incorrect governor idle control.
Engine runs rough or stalls
• Plugged fuel filter.
• Plugged air intake system.
• Fuel cap vent dirty.
• Stale or improper fuel/fuel level.
• Spark plugs not gapped correctly.
• Replace spark plugs.
• Choke applied incorrectly.
Engine knocks
• Engine oil level low.
• Fuel is bad.
Fill tank with fresh fuel.
• Idle speed too slow.
Increase engine rpms.
Engine overheats
• Clean cooling fins.
• Clean engine cooling air intake screen.
• Low oil level.
• Do not operate at slow idle.
Operate at faster idle.
• Plugged engine air intake filter.
Engine lacks power
• Reduce load.
• Plugged engine air intake filter.
• Plugged fuel filter.
• Improper type of fuel.
Drain tank and fill with correct fuel.
• Clean cooling fins to help prevent
overheating.
• Replace spark plugs.
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