Stihl 4180 Series User Manual

56 Series 4180 Powerhead
Check the flywheel:
Have pole shoes turned blue?
Install new flywheel
Check air gap
and reset if necessary
Check the ignition lead:
– Severe chafing?
– Spark plug boot: Holes/cracks?
– Resistance: spark plug boot to ground: spec.
1.5 – 12 kΩ
– Check resistance of ignition lead
Spec.: < 10 Ω,
If necessary, install new spark plug boot and/or
ignition lead,
if ignition lead is molded to ignition module:
– Install new ignition module
Disconnect short circuit wire
from ignition module
1
3
yes
no
2
Ignition
spark?

Stihl 4180 Series Specifications

General

Brand	Stihl
Model	4180 Series
Category	Engine
Language	English