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
ENGINE DOES NOT START
What To Check |
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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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| Loose spark plug. |
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| Tighten and | |||
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Good compression? |
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| Excess wear on cylinder, |
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| piston, rings. |
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| servicing dealer. | |||
YES |
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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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| NO |
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| contaminated; mixture incorrect. |
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| of 89 or higher mixed with an air cooled engine oil that | |
Does the tank contain fresh |
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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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| Check for clogged fuel filter |
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| Replace fuel filter or vent as required. | |||
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Is fuel visible and moving |
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| and/or vent. |
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in the return line when |
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| Priming pump not functioning properly. |
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| Consult with an authorized Shindaiwa | ||||
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priming? |
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| servicing dealer. | ||
YES |
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| The ignition switch is in |
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| Move switch to “I” (ON) position | |||
Is there spark at the spark |
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| “O” (OFF) position. |
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plug wire terminal? |
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| Shorted ignition ground. |
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| Consult with an authorized Shindaiwa | ||||
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YES |
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| Faulty ignition unit. |
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| servicing dealer. | |||
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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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