Stihl MS 18 User Manual

© STIHL Inc., Virginia Beach, VA 2013 US/STR
confidential
12. Spark Test
 Connect a spark
tester and pull the
rope through as if
trying to start the
engine
 If no spark is present
try again with a new
plug
 A fouled or
defective spark
plug may not show
spark on the tester
even if the ignition
system is OK
© STIHL Inc., Virginia Beach, VA 2013 US/STR
confidential
12. Spark Test
 If there is still a no
spark condition with a
new plug, carefully
disconnect the ground
wire from the terminal
on the ignition module
and now see if spark
is present
 If there is no spark the
module is faulty
 If there is spark the
stop circuit is faulty
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Stihl MS 18 Specifications

General

Brand	Stihl
Model	MS 18
Category	Saw
Language	English