Stihl MS 211

49MS 171, MS 181, MS 211
9.7 Ignition System Troubleshooting
Engine does not run
Switch shaft:
– in position ”#“?
Check the spark plug:
– Smeared with oil, black?
– Sooted?
– Electrode gap correct?
– Contacts shorted?
– Clean or replace the plug,
b 9.3
Check spark plug boot:
– Firmly seated on plug (leg spring)?
– Leg spring hook in center of ignition lead?
– Boot damaged?
– If necessary, install new spark plug boot
and/or leg spring,
b 9.4
Test ignition system:
with ZAT 3 or ZAT 4
(use ZAT 3 as main spark gap
– see TI 32.94),
b 9.3
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