Stihl MS 251 - AV Spring on Handlebar

67MS 231, MS 231 C, MS 251, MS 251 C
: Push the AV spring (1) upwards
and lift it out of the guide (arrow).
: Remove the AV spring (1)
between the engine housing and
tank housing.
– Check the AV spring and plug,
replace if necessary.
Installing
– Press the tank housing down a
little and hold it there.
: Position the AV spring so that the
tab (1) faces the engine housing
and then push it, bearing plug (2)
first, between the engine housing
and tank housing.
: Push the bearing plug (2)
through the opening.
: Push the bearing plug (3) into its
seat (arrow).
2310RA238 TG
1
2310RA239 TG
2
1
3
: Fit the cover (1) so that it
engages the peg (arrow).
: Push the tank housing (1)
upwards and hold it there.
: Position the bearing plug (2) and
cover (3) so that their bores are in
line with the bore in the tank
housing.
: Insert and tighten down the
screws (4) and (5) firmly.
– Reassemble all other parts in the
reverse sequence.
2310RA240 TG
1
2310RA241 TG
4
1
3
2
5
9.3 AV Spring on Handlebar
The AV spring is located between
the handle frame and cylinder.
– Remove the shroud, b 6.4
– Remove the air filter, b 12.1
: Take out the screw (1).
– Remove the handlebar, b 9.4
: Unscrew the bearing plug (1) and
disconnect the retainer (arrow).
: Unscrew the spring (2) and pull
the retainer (arrow) out of the
handlebar.
– Inspect the spring, bearing plug
and retainer, replace if
necessary.
2310RA242 TG
1
2310RA243 TG
1
2
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