Connection diameter for countershaft:
A = diameter 20 - 0.01 -0.02 mm
Connection diameter for wheel shaft:
B = diameter 30 - 0.010 -0.023 mm
C = diameter 15 - 0.01 -0.02 mm
Bearing diameter for driven pulley shaft:
D = diameter 17 - 0.01 -0.02 mm
E = diameter 20 - 0.01 -0.02 mm
F = diameter 25 - 0.01 -0.02 mm
Inspecting the hub cover
- Check that the mounting surface is not damaged or deformed.
- Check the bearing bearings.
In case of faults, replace the hub cover.
Refitting the driven pulley shaft bearing
- Heat the crankcase using the heat gun.
Specific tooling
020151Y Air heater
- Insert the driven pulley shaft bearing until it abuts
against the bottom of the seat using the special
tool.
N.B.
PLACE IT WITH THE BALLS FACING THE HUB (THIS AP-
PLIES TO BEARINGS WITH PLASTIC CAGE).
Specific tooling
020376Y Adaptor handle
020360Y Adaptor 52 x 55 mm
020364Y 25-mm guide
Engine X9 Evolution 500
ENG - 110
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