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Fuel Sediment Cup Cleaning
The sediment cup prevents dirt or water which may be in the fuel tank from entering the
carburetor. If the engine has not been run for a long time, the sediment cup should be cleaned.
1. Turn the fuel valve lever to the OFF position. Remove the sediment Cup, O-ring, and filter.
2. Clean the sediment cup, O-ring, and filter in nonflammable or high flashpoint solvent.
3. Reinstall the filter, O-ring, and sediment cup.
4. Turn the fuel valve lever ON and check for leaks.
SEDIMENT CUP
O-RING
FUEL FILTER
OFF
FUEL VALVE LEVER
Spark Plug Service
In order to service the spark plug, you will need a spark plug wrench (commercially available).
Recommended spark plugs: BPR5ES (NGK), W16EPR-U (DENSO), F7RTC
To ensure proper engine operation, the spark plug must be properly gapped and free of
deposits.
If the engine has been running, the muffler will be very hot. Be careful not to touch the muffler.
1. Remove the spark plug cap.
2. Clean any dirt from around the spark plug base.
3. Use a spark plug wrench to remove the spark plug.
4. Visually inspect the spark plug. Discard it if the insulator is cracked or chipped. Clean the
spark plug with a wire brush if it is to be reused.
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