Installation; Adjustment - Yamaha SRX440 1980 Service Manual

C. Installation
Install drive track assembly as illustrated.
(See 5-1- F. Front axle and 5-3. Suspension
section)
1980 SRX440
The track tension should be so adjusted that
when pulled at its window in the track center
by a force of 10 kg (22 lb) using a spring
scale. the deflection should be as specified
below.
Turning direction
D. Adjustment
WARNING:--- ---.
A broken track. track fittings. or debris
I·
Track deflection:
25
~
30 mm/10 kg
(0.98
~
1.18 in/22 Ib)
.'
to an operator or bystanders. Observe
the following precautions:
1) Do not allow anyone to stand
directly behind the snowmobile
when starting forward.
2) When the engine is running and the
track is engaged with the
snowmobile placed on its side. do
not allow anyone to stand behind or
on the track side of the snowmobile.
The operator must stay on the seat
(top side of the machine).
3) Never lift the rear of the snowmobile
to allow the track to turn while the
engine is running. Stop the engine
and prop up the rear with a suitable
stand. Never stand behind the
machine when the track is spinning.
4) Never install studs (cleats) closer
than three inches form the edge of
the track.
5) Replace any track that is damaged
to the depth where fabric reinforce-
ment material is visible. Inspect
track condition frequently.
5-21
The adjustment should .bernade in the fol-
lowing sequence:
1. Turn the track by running the engine.
2. Loosen the rear axle nut. and set the ad-
justing nuts both right and left to align
the track with the slide rail as illustrated
below:
3. After the adjustment specified in 2
above. pull each center track window of
the track with a force of 10 kg (22 lb)
using a spring scale. The track deflec-
tion should be as specified.
4. By repeating the procedures in 1, 2
and 3 above, the track tension should
be correctly adjusted.
5. After making sure all adjustments are
correct. tighten the rear axle nut.
Tightening torque:
80 Nm (8.0 m-kg)