GZ50N
9. Troubleshooting guide
Case 1. Starting failure |
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| CHECK | PROBABLE CAUSES | ACTION |
| fuel tank | → incorrect fuel | → drain it and use correct fuel |
| fuel filter | → fuel filter is clogged | → clean |
| carburetor adjustment screw | → out of normal range | → adjust to normal range |
| sparking (no spark) | → spark plug is fouled/wet | → clean/dry |
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| → plug gap is incorrect | → correct (GAP: 0.6 ~ 0.7 mm) |
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| spark plug | → disconnected | → retighten |
Case 2. Engine starts but does not keep running/hard |
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| CHECK | PROBABLE CAUSES | ACTION |
| fuel tank | → incorrect fuel or staled fuel | → drain it and use correct fuel |
| carburetor adjustment screw | → out of normal range | → adjust to normal range |
| muffler, cylinder (exhaust port) | → carbon is | → wipe away |
| air cleaner | → clogged with dust | → wash |
| cylinder fin, fan cover | → clogged with dust | → clean |
When your unit seems to need further service, please consult with our ZENOAH service shop in your area.
