10 Maintenance
26 100_0201_mt_0001.fm
1. Check the isolator - if damaged, replace the spark plug.
2. Clean the electrodes with a wire brush.
3. Measure the spark plug air gap with a feeler. If necessary, correct by bending the side electrode.
For the spark plug type and spark plug air gap, see chapter Technical Data.
4. Check the spark plug seal ring - if damaged, replace the spark plug.
Installing the spark plug
1. First, screw in the spark plug by hand and then tighten with a spark plug wrench. The torque setting
is 25 Nm.
2. Attach the spark plug cap to the spark plug.
Item Designation
1 Isolator
NOTICE
Screwed-in spark plugs that are too loose or too tight may cause engine damage.
Tighten the spark plug with the prescribed torque setting.
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