2
If adjusment is necessary, bend the electrode
carefully. The electrode gap must be between 0.6 —0.8
mm. (Figure 13)
3
Examine if the sealing washer is in good condition.
Carefully screw in the spark plug by hand to avoid
threading problems.
4
Tighten the spark plug with the supplied socket to
compress the sealing washer.
Note! Tighten a new spark plug another 1/2 turn after it
seats to compress the sealing washer.
Note! If installing the same used spark plug, tighten it
1/8–1/4 turn after it seats to compress the sealing washer.
5.12 To clean the engine
Caution! Do not spray water on the engine – risk of
fuel contamination or water entering through the muffler
which can damage the engine.
Let the engine become cool for at least 30 minutes before
you clean it.
● Use a brush to remove dirt from the engine.
● Clean the engine at regular intervals.
5.13 Engine maintenance
Carry out maintenance as per the table. In demanding conditions, maintenance should be carried out more often.
Before each
Action
use and at
intervals of 5 h
Engine oil check
Oil change
Spark plug check
Spark plug service
Cleaning of
exhaust area
Each season or
at intervals of
25 h
¤
¤
¤
Every season or
Every season or
at intervals of
at intervals of
50 h
100 h
¤
Service date
¤
21