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04-04 Removing the spark plug
Remove motor hood. Remove spark plug
cap. Loosen and unscrew the spark plug with
a universal wrench 941 719 131 or similar
tool w. 19 mm opening.
04-04 Testing the ignition system with
test device
Connect test device. Operating lever (3)
must be in position ‘I’. Pull starter rope (4)
out quickly. If no power registered, check
wiring, repeat test with new ignition coil.
04-04 Removing the ignition system
Remove motor cover and tubular handle
and starter cover as described in intro-
duction.
04-04 Replacing the spark plug
Tighten the spark plug using universal
wrench 941.719.131 only or max. 20 Nm if
other tools are used.
04-04 Check spark plug
Check whether a spark (5) jumps across
at the electrode. If no spark, repeat test
with new spark plug. Clean or replace
dirty or damaged spark plugs.
1
2 3
4
04-04 Check spark plug
Connect spark plug (1) with spark plug cap
(2) and connect to earth Operating lever (3)
must be in position ‘I’. Pull starter rope (4)
quickly.
34
5
04 Ignition system
Warning: high voltage
Wear protective gloves
and use insulated tools!
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