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Stihl MS 171 User Manual

Stihl MS 171
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MS 171, MS 181, MS 181 C, MS 211, MS 211 C
English
31
The container should be kept tightly
closed in order to limit the amount of
moisture that gets into the mixture.
The machine‘s fuel tank should be
cleaned as necessary.
Fuel mix ages
Only mix sufficient fuel for a few days
work, not to exceed 30 days of storage.
Store in approved fuel-containers only.
When mixing, pour oil into the container
first, and then add gasoline. Close the
container and shake it vigorously by
hand to ensure proper mixing of the oil
with the fuel.
Dispose of empty mixing-oil containers
only at authorized disposal locations.
Preparations
N Before fueling, clean the filler cap
and the area around it to ensure that
no dirt falls into the tank.
Always thoroughly shake the mixture in
the canister before fueling your
machine.
N Position the machine so that the
filler cap is facing up.
WARNING
In order to reduce the risk of fire and
other personal injury from escaping gas
vapor and fumes, remove the fuel filler
cap carefully so as to allow any pressure
build-up in the tank to release slowly
Filler cap markings
Filler caps and fuel tanks may be
marked in different ways.
Depending on the version, your unit may
be equipped with a filler cap and fuel
tank with or without symbols.
Filler cap without symbols
Opening
N Raise handle.
N Twist filler cap counterclockwise
(approx. 1/4 turn).
Gaso-
line
Oil (STIHL 50:1 or equiva-
lent high-quality oils)
US gal. US fl.oz.
12.6
2 1/2 6.4
512.8
Fueling
001BA229 KN
Left: Filler cap without symbols.
Right: Filler cap with markings and
symbols on cap and tank.
001BA240 KN
001BA218 KN
001BA219 KN

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Stihl MS 171 Specifications

General IconGeneral
Idle speed- RPM
Motor type2-stroke motor
Chain pitch3/8 \
Blade length350 mm
Product colorBlack, Grey, Orange
Chain tensionerYes
Motor speed (max)10000 RPM
Fuel tank capacity0.266 L
Engine displacement31.8 cm³
Power sourceGasoline
Sound power level112 dB
Vibration emission4.5 m/s²
Sound pressure level99 dB

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