Troubleshooting Guide
ENGINE DOES NOT START OR HARD TO START
What To Check
Vaporlock.
Possible Cause
Engine hot/heat soaked.
Low fuel quality.
Remedy
Let cool completely and restart.
Refill with fresh, clean unleaded gasoline with a pump octane of 89 or higher mixed with an air cooled engine oil that meets or exceeds
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| ENGINE DOES NOT START | ||||||
What To Check |
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| Possible Cause |
| Remedy | |||||
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| NO |
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| Faulty recoil starter. |
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| Consult with an authorized Shindaiwa servicing dealer. | ||
Does the engine crank? |
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| Fluid in the crankcase. |
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YES |
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| Internal damage. |
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| NO |
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| Loose spark plug. |
| Tighten and | ||||
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Good compression? | |||||||||||||
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| Excess wear on cylinder, |
| Consult with an authorized Shindaiwa | ||||||
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YES |
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| piston, rings. |
| servicing dealer. | ||||
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| NO |
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| Fuel incorrect, stale, or |
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| Refill with fresh, clean unleaded gasoline with a pump octane | ||
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Does the tank contain fresh |
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| contaminated; mixture incorrect. |
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| of 89 or higher mixed with an air cooled engine oil that | ||||
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| meets or exceeds | |||
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fuel of the proper grade? |
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| at 50:1 gasoline/oil ratio. | |||
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YES |
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Is fuel visible and moving in the return line when priming?
YES
NO
Check for clogged fuel filter and/or vent.
Priming pump not functioning properly.
Replace fuel filter or vent as required.
Consult with an authorized Shindaiwa servicing dealer.
Is there spark at the spark plug wire terminal?
YES
NO
The ignition switch is in “O” (OFF) position.
Shorted ignition ground.
Faulty ignition unit.
Move switch to “I” (ON) position and
Consult with an authorized Shindaiwa servicing dealer.
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.
See "Starting a Flooded Engine"
Clean and gap 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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