Yamaha VK540EF Service Manual page 81

A B
PRIMARY SHEAVE AND DRIVE V-BELT
4-6
6. Inspect:
D Weight 1
D Roller 2
D Bushing 3
D Slider 4
D Rivet 5
D Collar
Wear/scratches/damage ! Replace.
Slider inside clearance
Min. 0 mm (0 in)
Max. 0.3 mm (0.0118 in)
Rivet replacement steps:
D Remove old rivet with the appropriate drill.
D Insert the rivet 1 from the ID mark 2 side.
D 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:
D 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)
NOTE:
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
POWR
TR
A + A :
1 2