ENGINE AND SNOWTHROWER MAINTENANCE
TROUBLESHOOTING
Trouble
Engine won'tstart.
Engine is difficult to start.
Engine idles rough.
| Possible Problem |
| Solution | |
| Ignition key in OFF position. |
| Turn key to ON position. | |
| Spark plug wire |
| Reconnect spark plug wire | |
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| disconnected. |
| to spark plug. | |
| Gas tank empty. |
| Fill gas tank. | |
| Fouled spark plug. |
| Remove, clean, inspect, (or | |
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| replace), |
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| reinstall spark plug. |
| Engine Control Lever is in |
| Move Engine Control Lever to | |
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| idle position. |
| its FAST position. | |
| Engine not primed enough. |
| Push primer button several | |
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| more times. |
| Engine primed too much. |
| Move choke knob to its OFF | |
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| position, and Engine Control |
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| Lever to idle. Attempt to start |
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| engine - this should burn |
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| up excess gas in carburetor. |
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| Then proceed with normal |
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| starting procedure. |
| Fuel shutoff valve closed. |
| Open fuel shutoff valve. | |
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| Incorrect Choke Knob setting. |
| Reposition Choke Knob. | |
| Engine Control Lever is in |
| Move Engine Control Lever to | |
| incorrect position. |
| its FAST position. | |
| Fuel shutoff valve closed. |
| Open fuel shutoff valve. | |
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| Engine not primed enough. |
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| Push primer button several |
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| times. |
| Stale gas in tank. |
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| Drain gas. Refill with fresh gas. |
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| Faulty spark plug. |
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| Remove, clean, inspect, |
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| and reinstall spark plug. |
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| Faulty or fouled spark plug. |
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| Remove, clean, inspect, |
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| and reinstall spark plug. |
| Incorrect choke setting. |
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| After engine starts, move engine |
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| choke knob gradually to its |
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| NO CHOKE position. |
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