Troubleshooting Guide
ENGINE DOES NOT START
What To Check |
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| Possible Cause |
| NO |
| Faulty recoil starter. | |
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Does the engine crank? |
| Fluid in the crankcase. | ||
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| Internal damage. |
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Remedy
Consult with an authorized servicing dealer.
YES
Good compression?
NO
Loose spark plug.
Excess wear on cylinder, piston, rings.
Tighten and
Consult with an authorized servicing dealer.
YES
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| NO |
| Fuel incorrect, stale, or contaminated; | ||
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Does the tank contain |
| mixture incorrect. | ||||
fresh fuel of the proper |
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grade? |
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YES |
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| NO |
| Check for clogged fuel filter and/ | ||
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Is fuel visible and moving |
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in the return line when |
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| or vent. | |
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priming? |
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Refill with fresh, clean unleaded gasoline with a pump octane of 87 or higher mixed with a premium
Replace fuel filter or vent as required. Restart.
YES
Is there spark at the spark plug wire terminal?
YES
Check the spark plug.
The ignition switch is in “O” (OFF) NO position.
Shorted ignition ground.
Faulty ignition unit.
If the plug is wet, excess fuel may be in the cylinder.
The plug is fouled or improperly gapped.
The plug is damaged internally or of the wrong size.
Move switch to “I” (ON) position and restart.
Consult with an authorized servicing dealer.
Crank the engine with the plug removed, reinstall the plug, and restart.
Clean the spark plug. Check the Specifications section for the correct plug and gap for your unit. Restart.
Replace the spark plug. Check the Specifications section for the correct plug and gap for your unit. Restart.
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