46 MS 290, MS 310, MS 390
Check flywheel:
– Have pole shoes turned blue?
Install new flywheel
Check air gap
and reset if necessary
Check ignition lead:
– Severe chafing?
– Spark plug boot: Holes/cracks?
– Resistance: spark plug boot to ground:
spec. 1.5 – 12kW
– Check resistance of ignition lead:
spec. < 10 W,
If necessary, install new spark plug boot
and/or ignition lead
Disconnect short circuit wire from
ignition module
1
3
yes
no
2
Powerful
spark?
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