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Stihl FS 120 Manual

Stihl FS 120
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5/20/2018
STIHL FS 350 Service manual.pdf - slidepdf.com
http://slidepdf.com/reader/full/stihl-fs-350-service-manualpdf 10/63
Troubleshooting chart - see
"Standard Repairs, Trouble-
shooting" handbook.
Spark arresting screen
FS 120...350, FR 350
Pull spark arresting screen out of
the muffler.
- Clean or replace spark arresting
screen if necessary.
FS 400/450, FR 450
Take out the screw (1).
Pull spark arresting screen (2)
out of the muffler.
- Clean or replace spark arresting
screen if necessary.
- Tighten down screw to 2.5 Nm
(1.8 lbf.ft).
Muffler
FS 400/450, FR 450
- Remove air filter cover -see 8.1.
All models
Remove screws from clutch
housing.
Take out screws (1).
Press down the decompression
valve (2).
Remove the shroud (3).
Take out the screws.
- Lift away the muffler.
Remove the gasket.
Reassemble in the reverse
sequence.
- Use a new gasket.
- Tighten down screws to 8.5 Nm
(6.3 lbf.ft).
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1 2
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32
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4. ENGINE
4.1 Exhaust Muffler/Spark Arresting Screen
FS 120, 200, 300, 350, 400, 450, FR 350, 450 9

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Stihl FS 120 Specifications

General IconGeneral
Power sourceGasoline
TypeBrush cutter
CordlessYes
Head typeNylon line
Handle typeU-type handle
Engine power1.8 hp
Product colorBlack, Metallic, Orange
Uncertainty K2 m/s²
Sound power level110 dB
Fuel tank capacity0.64 L
Vibration emission4.9 m/s²
Engine displacement30.8 cm³
Sound pressure level98 dB
Cutting diameter (max)- mm
Weight and Dimensions IconWeight and Dimensions
Length1760 mm
Weight6300 g

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