Ignition - No Spark - Stihl MS 661 Manual

8.7.4 Ignition – no spark
No spark
– Set the Master Control
lever to } .
– Check flywheel,
(two pairs of poles?) b 7.7
– Check the air gap
between the control unit
and flywheel,
b 7.3
MS 661, MS 661 C-M
Can engine
be started?
no
Combination
in order?
yes
Air gap
in order?
yes
– Check ignition system
with aid of Ignition System
Troubleshooting Chart,
b 7.13
yes
Troubleshooting
completed
no
Check correct combination of
control unit / flywheel
no
– Set correct air gap, b 7.3
73