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Spark plug maintenance
(1) Loosen the cover lock and remove the top cover.
(2) Open plug cover, remove plug cap, and remove spark plug.
(3) Check to see whether or not the electrode gap is 0.5 mm. If
the gap is too big or too small, adjust it to 0.5 mm.
(4) If carbon and/or dirt has gathered on spark plug, clean,
and then remount. An excessively worn or burnt spark plug
should be replaced with a new one.
(5) After carrying out maintenance on the spark plug, remount it,
attach plug cap, and then secure plug cover.
Replacing the suction head
The fuel tank filter (13) of the suction head can become clogged.
It is recommended to replace the suction head once every three
months in order to ensure unimpeded fuel flow to the carburetor.
Unscrew the fuel tank cap (12) and pull the loss-prevention
stopper out.
Empty fuel tank.
To remove the suction head for replacement, pull it out through
the tank filler neck using a piece of wire bent at one end to form
a hook.
CAUTION: Do not allow fuel to come into contact with skin!
Cover lock
0.5 mm
13
20
Top cover
Loosen
Plug cap
12
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