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Troubleshooting Guide
ENGINEENGINEDOESDOESNOTNOTSTART
What To Check
Does the engine crank?
YES
Good compression?
YES
Does the tank contain fresh fuel of the proper grade?
YES
Is fuel visible and moving in the return line when priming?
YES
Is there spark at the spark plug wire terminal?
YES
NO
NO
NO
NO
NO
Possible Cause
Faulty recoil starter.
Fluid in the crankcase.
Internal damage.
Loose spark plug. Excess wear on cylinder, piston, rings.
Fuel incorrect, stale, or contaminated; mixture incorrect.
Check for clogged fuel filter and/or vent.
The ignition switch is in “O” (OFF) position. Shorted ignition system. Faulty ignition unit.
Remedy
Consult with an authorized servicing dealer.
Tighten and retest.
Consult with an authorized servicing dealer.
Refill with clean fresh unleaded gasoline with a pump octane of 87 or higher, mixed with Shindaiwa Premium
Replace fuel filter or vent as required. Restart.
Move switch to “I” (ON) position and
Check the spark plug.
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.
Crank the engine with the plug removed, replace the plug, and
Clean and
Replace the plug with a Champion CJ8 or equivalent type spark plug of the correct heat range.
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