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WARNING Don’t carry out any maintenance when the unit is working.
7.2 Replacement of Engine Oil
Please drain thoroughly the engine oil before the engine completely cooled down to
guarantee the adequate oil fluidity.
7.2.1 Unscrew and take out the dipstick (Figure 37)
7.2.2 Unscrew the drain plug, and drain engine oil from the crankcase.
7.2.3 Put the drain plug back (Figure 38)
7.2.4 Fill engine oil to the upper level of the dipstick
.
Engine Oil recommended: 4-stroke gasoline engine oil----engine oil class SE, SF
from API Service Classification or SEA 10W-30 engine oil equivalent to Class SG.
7.2.5 Re-mount the dipstick to its original position.
CAUTION Please put discard oil into specified container. Don’t pour it on
earth.
7.3 Maintenance of Spark Plug
Please do the job with a special tool
7.3.1 Disconnect the spark plug cap and the spark
plug, clear the dirt around the spark plug (Figure 39)
7.3.2 Remove the spark plug with a special tool
(Figure 40)
7.3.3 Check the spark plug, if the insulator is broken,
have the spark plug replaced. Do away with carbon
fouling around the spark plug with a metal brush. (Figure 41)
