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Air Silencer Box
. . . CAUTION: Never operate your
•
snowmobile with the air silencer
tube disconnected.
Serious engine
damage
will
occur
if
this notice is disre-
garded.
When operating the vehicle in temper-
ature exceeding O°C (32
0
F), the rubber
plug must block the engine side orifice
and the rubber vent must be positioned
on the side of the silencer box to allow
cold air circulation.
In temperatures below DoC (32°F) and/
or powder snow, the rubber plug must
block the entry of fresh air on the side
of the silencer box and the rubber vent
must allow the warm air being emitted
from the engine to be directed over the
carburetor .
. . . CAUTION: Observe temperature
•
changes and locate plugs accord-
ingly. Incorrect location of plugs may
cause carburetor ice-up or engine over-
heating..
Drive Belt
Inspect belt for cracks, fraying or ab-
normal wear (uneven wear, wear on
one side, etc.) If abnormal wear is
noted, probable cause is pulley mis-
alignment. Contact your dealer. Check
drive belt width, it should not be less
than 30 mm (1
3/16")
wide.
O
NOTE:
When installing a new drive
belt, break-in period of 15-25 km
(10-15 miles) is strongly recommended .
Steering Mechanism
Inspect steering mechanism for tight-
ness of components (steering arm, ball
joint, etc.). If necessary, replace or re-
tighten. Check condition of ski and ski
runner. Replace if more than half
worn.
Drive Chain Tension
Run vehicle forward so that true free-
play can be taken. Check tension then
turn driven pulley
1/2
turn counter-
clockwise and recheck. Starting from
maximum reading, adjust chain ten-
sion to 6 mm
(1/4")
free-play. Remove
capscrew locking chain tensioner in
place. (Tensioner is located at bottom
left of gearbox).
.Chain tensioner
Rotate the tensioner as required to ob-
tain correct chain tension.
Replace capscrew to lock chain ten-
sioner in place.
25
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