Trouble recovery
TROUBLE | POSSIBLE CAUSE | REMEDY | PAGE | |
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Engine runs irregu- | Fuel | Empty | Refill as soon as pos- | |
larly or stalls |
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| Stale or contaminat- | Have serviced by | — |
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| ed | Yamaha dealer | |
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| Too much oil in fuel | Correct | |
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| mixing ratio | tio to 50:1 | |
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| Choke | Knob is left pulled | Push fully in | |
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| Fuel filter | Clogged or water | Have serviced by | |
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| pooled | Yamaha dealer | |
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| Fuel tank | Water or dirt present | Have serviced by | — |
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| Yamaha dealer | |
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| Spark plug | Fouled or defective | Replace | |
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| Incorrect heat range | Replace | |
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| Gap incorrect | Replace | |
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| Spark plug | Loose | Connect properly | |
| cap |
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| Cracked, torn or dam- | Have serviced by | — | |
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| aged | Yamaha dealer | |
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| Electrical wir- | Loose electrical con- | Have serviced by | — |
| ing | nections | Yamaha dealer | |
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| Carburetor | Incorrect idle adjust- | Have serviced by | — |
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| ment | Yamaha dealer | |
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| Clogged | Have serviced by | |
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| Yamaha dealer | |
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Watercraft slow or | Cavitation | Jet intake clogged | Clean | |
loses power |
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| Impeller damaged or | Have serviced by | ||
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| worn | Yamaha dealer | |
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| Engine over- | Jet intake clogged | Clean | |
| heated |
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| Fuel filter | Clogged | Have serviced by | |
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| Yamaha dealer | |
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| Spark plug | Fouled or defective | Replace | |
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| Incorrect heat range | Replace | |
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| Gap incorrect | Replace | |
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| Spark plug | Loose | Connect properly | |
| caps |
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| Fuel | Stale or contaminat- | Have serviced by | — |
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| ed | Yamaha dealer | |
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