Stihl MS 650 - Page 79

78 MS 650, MS 660
: Take out the screw (1).
: Swing the clip (2) to the side and
pull it off.
– Pull the throttle shaft out of the
carburetor.
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1
2
Examine parts for damage and
wear and replace if necessary.
Installing
: Push the spring (1) onto the
throttle shaft (2) and engage it in
position.
: Push the throttle shaft into the
carburetor and position the
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2
1
4
3
spring against the carburetor
body.
: Rotate the throttle shaft counter-
clockwise (tensioning the spring)
until the lever (3) is above the
edge (4) of the carburetor.
: Push the throttle shaft fully home.
– Fit the clip and secure it in
position with the screw.
– Turn the throttle shaft to the wide
open position.
– Fit the throttle shutter in the shaft.
: Check that the stamped digits
face you when the throttle shutter
is closed. The marks (arrows)
must be parallel to the throttle
shaft.
– Check that the center of the notch
in the throttle shutter is in line with
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the hole in the carburetor body.
– Fit the idle speed screw (LA).
– Install the carburetor – b 12.2.1
– Carry out user adjustment –
b 12.4