Track Tension Adjustment - Yamaha RS90GTZ Service Manual

TRACK TENSION ADJUSTMENT

TRACK TENSION ADJUSTMENT
A broken track or track fittings, and debris
thrown by the track could be dangerous to
an operator or bystanders. Observe the fol-
lowing precautions.
• Do not allow anyone to stand behind the
snowmobile when the engine is running.
• When the rear of the snowmobile is raised
to allow the track to spin, a suitable stand
must be used to support the rear of the
snowmobile. Never allow anyone to hold
the rear of the snowmobile off the ground
to allow the track to spin. Never allow any-
one near a rotating track.
• Inspect the condition of the track fre-
quently. Replace the track if it is damaged
to a level where the fabric reinforcement
material is visible.
1. Lift the rear of the snowmobile onto a suit-
able stand to raise the track off the ground.
2. Measure:
• Track deflection
Using a spring scale
center of the track with 100 N (10 kgf, 22
lbf) of force.
Out of specification → Adjust.
3. Adjust:
• Track deflection
Adjustment steps:
a. Place the snowmobile onto a suitable stand
to raise the track off of the ground.
b. Loosen the rear axle nut
c. Start the engine and rotate the track once
or twice. Stop the engine.
2-43
WARNING
Track deflection:
RS90GTZ/RS90LTGTZ
30.0 ~ 35.0 mm (1.18 ~ 1.38 in)
RST90GTZ
20.0 ~ 25.0 mm (0.79 ~ 0.98 in)
INSP
ADJ
, pull down on the
.