Stihl MS 181 User Manual

50 MS 171, MS 181, MS 211
Check flywheel:
– Have pole shoes turned blue?
– Install new flywheel if necessary,
b 9.5
Air gap:
– Check ignition module/flywheel,
– reset if necessary, b 9.1.1
Check ignition lead:
– Severe chafing?
– Spark plug boot: Holes/cracks?
– Resistance: spark plug boot to ground:
spec. 1.5 – 12 kΩ
If necessary, install new spark plug boot
and/or ignition lead with ignition module,
b 9.4
Check ground and short circuit wires:
– Wire damaged?
– Connectors firmly seated?
– Check continuity, replace wiring harness if
necessary, b 9.6.1
1
3
yes
no
Powerful
spark?
2
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Stihl MS 181 Specifications

General

Idle speed	- RPM
Motor type	2-stroke motor
Chain pitch	3/8 \
Blade length	400 mm
Product color	Black, Grey, Orange
Chain tensioner	Yes
Motor speed (max)	10000 RPM
Fuel tank capacity	0.266 L
Engine displacement	31.8 cm³
Power source	Gasoline
Sound power level	112 dB
Vibration emission	3.5 m/s²
Sound pressure level	100 dB

Weight and Dimensions

Weight	43004300 g