Stihl MS 311 Manual

57MS 311, MS 391
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 9.7
: Pull off the buffer (1).
Installing
– Use STIHL press fluid to simplify
assembly, b 14
: Push the buffer (2) onto the
peg (1) on the handlebar as far
as stop.
0001RA177 TG
1
2
0001RA176 TG
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 9.7
: Unscrew the AV spring (1).
– Unscrew the bearing plug (2).
: Screw home the bearing plug (1)
as far as stop.
: Screw the AV spring (2) into the
handlebar (arrow) as far as stop.
2
1
0001RA179 TG
1
2
0001RA206 TG
– Reassemble all other parts in the
reverse sequence.
9.3 AV Spring on Fuel Tank
– Remove AV spring from
handlebar, b 9.4
– Remove the stop buffer, b 9.6
: Take out the screw (1).
: Lower the tank housing (2).
: Pry out the AV spring (1).
4903RA144 TG
1
2
0001RA051 TG
1

Stihl MS 311 Specifications

General

Oil tank capacity	0.348 L
Fuel tank capacity	0.6 L
Power source	Gasoline

Weight and Dimensions

Weight	6200 g