86 TS 410, TS 420
: Remove the E-clip (arrow).
: Pull off the ring (arrow) and the
sealing ring underneath.
– Pull the choke shaft out towards
the lever, unhooking and
relieving the torsion spring at the
same time.
– Examine the choke shaft (1),
ring (2), sealing ring (3) and
torsion spring (4), replace if
necessary.
– Note the installed position (arrow)
when installing the torsion spring.
370RA372 TG370RA373 TG
1
370RA374 TG
1
3
4
2
– Clean the choke shaft and
guides, b 14.
– Reassemble parts in reverse
order.
: Push the choke shaft (1) into the
carburetor.
– Turn the leg of the torsion
spring (2) clockwise and fit it on
the throttle shaft (arrow).
: Fit the sealing ring (1) and
ring (2).
: Install the E-clip (1) and let go of
the choke shaft.
370RA375 TG
2
1
370RA376 TG
1
2
370RA377 TG
1
: Turn the choke shaft (1)
counterclockwise until the flat
side (arrow) faces the front.
The air valve shaft is now pre-
tensioned.
– Hold the choke shaft in this pre-
tensioned position.
: Slide the choke shutter (1) into
the hole in the carburetor. The
small hole (arrow) must be on the
left and the large hole (2) above
the choke shaft.
370RA378 TG
1
370RA379 TG
1
2
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