5 - 70
GEAR BOX ASSEMBLY
GEAR BOX
Measure:
Use a specifi c gauge to check the size of the hole (1) in the top
right casing Fig. A.
Housing port
desmodronic
size: Ø 47 (0,+0.022) mm
If outside specifi cations, replace the bottom casing.
Check:
• The grooving on the desmodromic shaft (9) Fig. B.
In the presence of damage/lines/signs of wear, replace the who-
le desmodromic shaft.
Assemble:
• the desmodronic (9*) inside the casing
• nstall the bearing (11*) Fig. B
T
.
R
.
Torque 12 N*
NOTE:_________________________________
Numbers marked (*) are part of the spare parts table in
Chapter 5 “Gears”.
Assemble:
• the gear drum (14*)
using the special tool (**) Fig. C
(**) Gear selector drum assembly tool
Code:0320097051000
• washer (15*)
• screw (16*) Fig. C to the following torque:
T
.
R
.
Torque 12 N*m
Use Loctite
Loctite 243
NOTE:_________________________________
To tighten the screw (16*), use an aluminium pad (1) to keep
the desmodronic in place Fig. D.
A
B
9*
11*
1
C
(**)
14*
D
1
15*
16*
COPY - Moto GB - Grant Martland - grantmartland@motogb.co.uk
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