84 MS 171, MS 181, MS 211
– Coat screw with threadlocking
adhesive, b 16
: Fit new screw (2) and tighten it
moderately.
: Close the throttle shutter (1) and
center it in the carburetor body’s
bore.
The notch (arrow) in the throttle
shutter must line up with the small
hole in the carburetor body.
– Tighten down the screw firmly.
– Check freedom of movement.
: Lift the leg (2) of the torsion
spring.
: Push the lever (1), shoulder
(arrow) first, onto the throttle
shaft.
533RA358 TG
1
2
1
2
533RA359 TG
: Fit the torsion spring (1) so that
its leg locates on the lever
(arrow).
: Attach the torsion spring to the
lever (arrow).
: Fit the lever (1) and tighten the
screw (2) slightly – it must still be
possible to turn the lever.
: Turn the lever (1) clockwise until
its arm can be fitted against the
stop (arrows) and the lever (1)
engages the two flats on the
throttle shaft.
1
533RA290 TG
1
533RA360 TG
2
1
533RA361 TG
2
3
: Hold lever (2) steady during this
process.
: Tighten the screw (3) a little
further – it must be possible to lift
lever (2) far enough for lever (1)
to be moved past it.
: Hold lever (1) and lever (2)
together on the stop (arrow).
: Tighten down the screw (3)
firmly.
: The torsion spring on the choke
shaft must locate on the shoulder
(arrow) of lever (1).
533RA362 TG
3
2
1
1
533RA363 TG
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