Stihl MS 261 User Manual

76 MS 261, MS 261 C
9. Servicing the AV System
Vibration-damping springs and
buffers are used for the connection
between the handlebar, tank
housing and engine housing.
Damaged springs and buffers must
always be replaced.
9.1 Buffer on Oil Tank
– Remove the handlebar,
b
9.6
Machines with handle heating,
b
9.6.1
: Pull off and replace the buffer (1).
Installing
– Use STIHL press fluid to simplify
assembly,
b
15
: Push the buffer (2) onto the
peg (1) on the handlebar as far
as stop.
5902RA604 TG
1
5902RA605 TG
2
1
The peg's head (arrow) must locate
properly on the buffer.
– Reassemble all other parts in the
reverse sequence.
9.2 AV Spring on Oil Tank
The antivibration spring is at the
forward end of the oil tank and is
secured to the underside of the
machine.
– Remove the handlebar, b
b
9.6
: Unscrew the AV spring (1).
– Unscrew the bearing plug (2).
– Check the AV spring and plug,
replace if necessary.
– Screw home the bearing plug (2).
: Screw the AV spring (1) into the
handlebar (arrow) as far as stop.
2
1
5902RA228 TG
2
1
5902RA229 TG
– Check the annular buffer and
replace it if necessary, b
b
9.1
– Reassemble all other parts in the
reverse sequence.
9.2.1 AV Spring on Oil Tank -
Machines with Heating
: Take out the screw (1) and
remove the chain catcher (2).
: Take out the screws (1).
5902RA230 TG
2
1
5902RA231 TG
1
1

Stihl MS 261 Specifications

General

Motor type	2-stroke motor
Chain gauge	1.6 mm
Chain pitch	3/8 \
Blade length	400 mm
Automatic oiling	Yes
Oil tank capacity	0.27 L
Fuel tank capacity	0.5 L
Engine displacement	50.2 cm³
Engine power	3.8 hp
Power source	Gasoline

Weight and Dimensions

Weight	5200 g