Stihl MS 881 User Manual

► Remove the fuel tank cap.
NOTICE
■ Bright light, sunlight and extreme tempera‐
tures can cause the fuel mix to separate much
faster. The saw can be damaged if it is used
with a fuel mix that has become separated.
►
Thoroughly mix the fuel.
► Do not use fuel mix that has been stored for
more than 30 days.
► Fill the tank to within no more than 15 mm
of the brim, taking care not to spill any fuel.
► If the grip on the fuel tank cap has dropped
into the closed position: Raise the grip until it
is vertical.
2
3
1
0000-GXX-2935-A1
1
4
► Place the cap in the filler opening so that mark
(1) lines up with mark (2).
► Press the cap down and rotate it clockwise as
far as stop.
The cap snaps into place. The mark (1) is in
line with mark (4) and points to mark (3).
► Check to see if the fuel tank cap can be pulled
upwards and off.
► If the fuel tank cap cannot be pulled upwards
and off: Fold the grip flush with the top of the
cap.
The fuel tank is closed.
If the fuel tank cap can be pulled upwards and
off, perform the following steps:
► Place the fuel tank cap in the filler opening – in
any position.
0000-GXX-3136-A1
1
2
ABC
► Press the cap down and rotate it clockwise as
far as stop.
► Press the cap down and rotate it counterclock‐
wise until mark (1) points to mark (2).
► Now try again to close the fuel tank.
► If the fuel tank still cannot be closed properly:
Do not use the chainsaw and contact a STIHL
dealer for assistance.
The chainsaw is not in a safe condition.
9 Starting and Stopping the
Engine
9.1 Selecting the Correct Starting
Procedure
When must the engine be prepared for starting?
The engine must be prepared for starting if one
of the following conditions apply:
–
The engine is at ambient temperature.
–
The engine stopped when accelerated for the
first time.
–
The engine stopped because the fuel tank was
empty.
► Prepare engine for start and then start the
engine.
When can the engine be started without prepara‐
tion?
The engine can be started without preparation if
it has been running for at least 1 minute and only
shut down for a short work break.
► Start the engine.
9.2 Preparing the engine for start
► Select the correct starting procedure.
1
2
3
4
5
0000-GXX-A373-A0
► Engage the chain brake (2).
► Depress the decompression valve (1).
► Press the throttle trigger lockout (5) and keep
pressed.
► Press the throttle trigger (4) and keep pressed.
► Move the Master Control Lever (3) to posi‐
tion
.
English 9 Starting and Stopping the Engine
14 0458-890-8321-B. VA0.A21.

Stihl MS 881 Specifications

General

Idle speed	2800 RPM
Motor type	2-stroke motor
Chain pitch	1/2.47 \
Blade length	900 mm
Product color	Black, Grey, Orange
Motor speed (max)	8500 RPM
Oil tank capacity	0.7 L
Fuel tank capacity	1.3 L
Engine displacement	121.6 cm³
Kickback protection	Yes
Engine power	8.7 hp
Power source	Gasoline
Sound power level	118 dB
Vibration emission	8.9 m/s²
Sound pressure level	106 dB

Weight and Dimensions

Weight	9800 g