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Beta RR250 - External Gearshift Unit

Beta RR250
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ENGINE DISASSEMBLY
2.6.5 EXTERNAL GEARSHIFT
UNIT
The external gearshift consists of the drive shaft 1 on
which the movable and fixed pawls are applied. The
fixed pawl is the guide of the movable pawl, which
has the task of engaging the stop cam 2. In its turn,
this is fastened to the internal gearshift and is kept in
the fixed position by the cam stop lever.
In order to disassemble the drive shaft, just keep the
movable pawl return spring 3 pressed and extract
the shaft together with the specific washer 4.
In order to disassemble the stop cam 2, keep the
cam stop lever moved 5, loosen the screw 6 and pull
out the stop cam 2.
In order to disassemble the stop lever, loosen
the screw 7 enough to allow the lever to move
axially and overcome the cylinder segment A of
the desmodromic device. Move the return spring
8 to the resting position and remove the screw,
the washer 9, the spring together with the spacer,
the internal washer (not shown in the image) and
finally the cam stop lever.
Gearshift with washer.
Disassembly of gear stop cam.
Disassembly of cam stop lever.

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