Drive V-Belt - Yamaha RS90GTZ Service Manual

DRIVE V-BELT

DRIVE V-BELT
WARNING
When installing the new V-belt, make sure
that it is positioned from 1.5 mm (0.06 in)
above the edge of the secondary sheave to
–0.5 mm (–0.02 in)
If the V-belt is not positioned correctly, the
clutch engagement speed will be changed.
The snowmobile may move unexpectedly
when the engine is started.
Adjust the V-belt position by removing or
adding a shim
NOTICE
As the V-belt wears, adjustment may be
necessary. To ensure proper clutch perfor-
mance, the V-belt position should be
adjusted by adding a shim on each adjust-
ing bolt when the V-belt position reaches
1.5 mm (0.06 in) below the edge.
New belt width:
34.2 ~ 34.8 mm (1.35 ~ 1.37 in)
Belt wear limit width:
32.5 mm (1.28 in)
1. Measure:
• V-belt position
TIP
Install the new V-belt onto the secondary
sheave only. Do not force the V-belt between
the sheaves; the sliding and fixed sheaves
must touch each other.
Standard V-belt height:
–0.5 ~ 1.5 mm (–0.02 ~ 0.06 in)
2-33
INSP
ADJ
below the edge.
on each adjusting bolt .