
38
ASSEMBLY
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4.4.2 layshaft
Position the shaft (1) with the splined end facing
downwards after fitting the 20x27x1 washer (2)
and the spacer (3), securing them so that they can-
not fall off while the other parts are being fitted.
Then fit the parts from above in the following or-
der:
- Sliding 4th gear (4), with the dogs facing upwards,
and 22.2x29x1 thrust washer (5).
- Bush (6), 2nd idler gear (7) with the flat side
facing downwards, splined washer (8) and stop
washer (9) with the tangs facing downwards.
- Splined bush (10), 3rd idler gear (11) with the flat
side facing upwards, splined washer (8), circlip
(12).
- Sliding 5th gear (13), with the groove for the se-
lector fork facing downwards, 17x24x0.5 thrust
washer (14).
- Bush (15), 1st idler gear (16), with the more con-
cave side facing downwards.
N.B. Check that the gears slide correctly.
N.B. Apply molycote grease between shaft and
gears.
Fit mainshaft (A) and layshaft (B) as a pair into their
respective bearings in the right-hand crankcase.
Check the state of wear of the contact areas be-
tween the selector forks and the grooves in which
they run in the gears (A), and between the pegs and
the grooves in the selector drum (B).
Fit the pegs (2) to the selector forks (1), using
grease.
A
B
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