Stihl TS 500i - Page 19

18 TS 500i
Spark plug boot
is loose on the
spark plug
Spark plug sooted,
smeared with oil
Ignition lead loose on
control unit
Press boot firmly onto
spark plug, replace torsion
spring if necessary, b 7.4
Secure ignition
lead, b 7.4
Idle speed unstable,
erratic
11
Clean spark plug, replace
if necessary
Fuel / oil mixture
contains too much oil
Use a fuel mixture with the
correct mixing ratio
Flywheel is cracked,
damaged
Check flywheel, replace if
necessary, b 7.5
9
8
10
Flywheel out of
adjustment, woodruff key
has sheared off
Check woodruff key and
flywheel, replace if
necessary, b 7.5