Troubleshooting Guide (continued)
ADDITIONAL PROBLEMS
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| Clogged air filter. |
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| Clean the air filter. | ||||
Poor acceleration. |
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| Clogged fuel filter. |
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| Replace the fuel filter. | ||||||
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| Lean fuel/air mixture. |
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| Consult with an authorized | ||||
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| servicing dealer. | |
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| Idle speed set too low. |
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| Adjust: 3000 (±300) | ||||
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| Ignition switch turned off. |
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| Reset the switch and | ||||
Engine stops abruptly. |
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| Fuel tank empty. |
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| Refuel. See page 7. | ||||||
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| Clogged fuel filter. |
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| Replace fuel filter. | ||||
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| Water in the fuel. |
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| Drain; replace with clean fuel. | ||||
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| See page 7. | |
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| Shorted spark plug or loose terminal. |
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| Clean or replace spark plug, tighten | ||||
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| the terminal. | |
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| Ignition failure. |
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| Replace the ignition unit. | ||||
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| Piston seizure. |
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| Ground (stop) wire is disconnected, |
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| Test and replace as required. | ||||
Engine difficult to shut off. |
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| or switch is defective. |
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| Overheating due to incorrect spark plug. |
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| Idle engine until cool. Clean and regap | |
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| the plug to 0.6 mm (0.024 in.). Correct plug: | |
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| NGK CMR5H or equivalent resistor type | |
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| spark plug of the correct range. | |
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| Overheated engine. |
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| Idle engine until cool. | ||||
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| Debris |
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| Clean debris from impeller as required. | ||
Excessive vibration. |
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| Loose or damaged impeller. |
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| Inspect and replace impeller as required. | |||||
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| Loose or damaged engine mounts. |
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| Tighten or replace engine mounts as | ||||
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| Blower intake or discharge ports or tubes |
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| Inspect and remove debris. | ||||
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| are clogged with debris. |
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Engine overspeeding. |
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| Impeller blades are missing or damaged. |
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| Consult with an authorized | |||||
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| servicing dealer. | |
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