Troubleshooting - Honda UMK425E Owner's Manual

Livre_D-GB-F.book Page 56 Vendredi, 10. février 2006 2:15 14

TROUBLESHOOTING

Problem
Engine does not start.
Starting difficult or loss
of power.
Uneven running.
Engine overheats.
Brush cutter vibrates
excessively.
56
Probable cause
1. No fuel.
2. Start/Stop button is in Stop position.
3. Spark plug cap incorrectly attached or disconnected.
4. Faulty spark plug or incorrect gap.
5. Engine flooded. Remove spark plug, dry it with a cloth
and reinstall it.
6. Fuel filter is dirty. Clean it.
1. Dirty air filter.
2. Impurities in fuel tank.
3. Water in fuel tank and in fuel
4. Fuel tank cap vent and /or carburettor clogged.
5. Engine is hot; choke is closed. Open choke.
1. Faulty spark plug or incorrect gap.
2. Dirty air filter.
1. Spark plug gap incorrect.
2. Dirty air filter.
3. Engine cooling fins clogged.
4. Oil level too low.
5. Starter pulley fouled by grass cuttings, etc.
1. Blade incorrectly balanced or cutting attachment
incorrectly fitted.
2. Engine bolts loose.
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