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Transmission
2 0 5
~-
4 . 3 ~ Mark the belt with a directional arrow
4.4 Withdraw the variator centre sleeve.
.
.
4.5
.
. .
and pull off the variator
assembly..
.
I
I
4.7b
.
. .
and lift off the cover. Discard the
O-ring (arrowed) if fitted
4.6
. . .
and the washer (if fitted)
4.7a Undo the screws.
. .
4 Hold the variator assembly and withdraw
the centre sleeve (see illustration).
5 Pull the variator assembly off the crankshaft
(see illustration). Note: If the variator is just
being displaced, grip the assembly so that the
ramp plate at the back is held into the variator
body as you remove it, otherwise the rollers
inside will fall out off their ramps and the
variator will have to be disassembled to
reposition them.
6 Remove the washer (if fitted) from the
crankshaft (see illustration).
7 To disassemble the variator, remove the
three screws or bolts and lift off the cover. On
models fitted with greased rollers, remove the
O-ring and discard it as a new one must be
fitted on reassembly (see illustrations).
8 On restricted 50 cc machines, lift out the
restrictor plate (see illustration).
9 Lift out the ramp plate, noting how it fits,
and remove the ramp guides, then lift out the
rollers (see illustrations).
10 Clean all the components using
a
suitable
solvent.
Inspection
1 1 Measure the diameter of each roller; they
should all be the same size. Inspect the surface
of each roller for flat spots (see illustration). If
any rollers are worn below the nominal
diameter for new rollers specified at the
4.8 Lift out the restrictor plate (if fitted)
4.9a Lift out the ramp plate
.
.
.
4.9b
. . .
and remove the ramp guides..
.
4 . 9 ~
.
.
.
then lift out the rollers
4.1 1 Measure the rollers and check them
for flat spots
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