Yamaha VK540EF, Service Manual, Page: 172 / 439

4-6
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A B
PRIMARY SHEAVE AND DRIVE V-BELT
POWR
TR
NOTE:
6. Inspect:
Weight 1
Roller 2
Bushing 3
Slider 4
Rivet 5
Collar
Wear / scratches / damage
Replace.
Slider inside clearance
A
1
+
A
2
:
Min. 0 mm (0 in)
Max. 0.3 mm (0.0118 in)
Rivet replacement steps:
Remove old rivet with the appropriate drill.
Insert the rivet 1 from the ID mark 2 side.
Press or peen the rivet head so that the diame-
ter
a
of the rivet head measures 8.5 mm (0.33
in) or larger.
7. Measure:
Bushing inside diameter
Out of specification
Replace the bushings
as a set.
Bushing inside diameter:
A Roller
New: 8.0 mm (0.31 in)
Wear limit: 8.2 mm (0.32 in)
B
Weight
New: 8.0 mm (0.31 in)
Wear limit: 8.2 mm (0.32 in)
When replacing the weight and roller bushings,
use the YXR clutch bushing jig kit.
YXR clutch bushing jig kit:
YS-39752
C Removing
D Installing