5 - 73
GEAR BOX
GEAR BOX ASSEMBLY
Assemble:
1. spring
(21*).
2. gear selection fork 5th/6th (25*).
3. gear selection fork 5th/6th (24*).
4. gear selection fork 1st/4th - 2nd/3rd (23*).
5. spring
NOTE:_________________________________
see the sequence in Fig. I
Check:
•
the two bearing stops (33) Fig. L
If there is any warping/damage/lines/signs of wear, replace.
Check:
•
The seats for the two bearing stops (33) Fig. L
If there is any warping/damage/lines/signs of wear, replace.
Assemble:
For the assembly sequence of the full input shaft (47), see the
exploded drawing at the start of the chapter.
For the assembly sequence of the full output shaft (34), see the
exploded drawing at the start of the chapter.
Position
•
the full input shaft (47)
•
the full input shaft (34)
NOTE:_________________________________
Make sure the grooves on the two bearings (32) and (33)
match correctly.
NOTE:_________________________________
Before assembling the two half casings, top and bottom, it
is necessary to apply sealant paste along the whole profi le
of the top casing, in order to achieve a good hold.
G
PASTE THREEBOND
Assemble:
Install the bottom casing over the top, taking care to insert
the follower (A) correctly in the segment corresponding to the
desmodronic shaft and the forks (23*-24*-25*) in their respective
seats Fig. N.
NOTE:_________________________________
Numbers marked (*) are part of the spare parts table in
Chapter 5 “Gears”.
L
33*
N
A
B
25*
23*
24*
33*
I
21*
25*
5
24*
23*
M
47
32
34
32
COPY - Moto GB - Grant Martland - [email protected]
Summary of Contents for TRK 502
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