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V 4.4
1.
Remove any dirt from around the spark plug area.
2.
Unclip the spark plug lead and remove the spark plug with a spark plug
wrench. This will have a rubber pad inside the socket to protect the spark
plug's ceramic coating.
3.
Inspect the spark plug. Replace it if damaged, badly fouled, the sealing washer
is in poor condition or the electrode is worn.
4.
Check the gap with a spark plug gauge as shown in Figure 8. If necessary,
reset the gap (See Specifications).
a.
Correct the gap by carefully
bending the side electrode.
Check the gap after
each adjustment.
5.
Install the spark plug carefully by
hand to avoid cross threading.
6.
Tighten the spark plug to the
recommended torque until the
gasket is compressed. See
Specifications for the correct
torque rating.
7.
Reconnect the spark plug lead to the spark plug.
CLEANING
WARNING! Use only a nonflammable solvent, not gasoline, to clean engine
parts. Keep all sources of ignition away from fuel related parts. Fumes are
flammable and may catch fire, causing a burn injury.
NOTICE! Do not clean the engine's exterior with a garden hose or pressure
washer. Water can enter the engine through the air filter or muffler opening and
damage the cylinder.
1.
Allow engine to cool for at least half an hour before cleaning.
2.
Clean all exterior surfaces.
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420cc OHV Gas Engine with Electric Start
8449019
Fig. 8
21
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