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NOTE: The access panels and
hood must be removed for this pro-
cedure.
1. Park the snowmobile on a level sur-
face; then start the engine and let it
idle and warm up until the fan on the
radiator turns on.
2. Remove the torx-head screws and
the rear access plate from beneath
the snowmobile.
3. Place a drain pan beneath the engine oil
drain screw; then remove the screw and
allow the oil to drain completely.
4. Using Oil Filter Wrench, loosen (but
do not remove) the oil filter and allow
the oil to drain from the filter into the
drain pan; then remove the filter.
NOTE:
Ensure
removed with the oil filter. If the O-
ring remains attached to the crank-
case, oil leakage may occur.
5. Apply a light coat of fresh engine oil
to the seal of the new oil filter.
6. Install the new oil filter by turning the
oil filter by hand until the seal has con-
tacted the oil filter mounting surface;
then tighten the oil filter to 1.7 kg-m
(12 ft-lb).
7. Install the engine oil drain screw
with a new gasket. Tighten the screw
to 1.0 kg-m (7.2 ft-lb).
8. Install the rear access plate. Tighten
the screws to 1.2 kg-m (9.0 ft-lb).
9. Remove the four torx-head screws
securing the right-side footrest to the
tunnel and the support; then with a
drain pan in position, remove the
drain plug from the oil tank.
22
XM125A
the
O-ring
is
NOTE: To aid in draining the oil
from the tank, position a funnel
between the tank and the opening of
the tunnel running board.
10. After the oil has drained completely,
install the drain plug with a new O-
ring and tighten to 2.2 kg-m (16 ft-lb).
11. Install the four screws securing the
right-side footrest. Tighten the screws
to 5 N-m (0.5 kg-m, 44 in.-lb).
12. Pour 2.8 L (3 US quarts) of engine
oil into the oil tank.
13. Insert the oil tank stick then start the
engine and let it idle. The oil pres-
sure light may illuminate briefly
after starting but should go out
within 10 seconds. If the light does
not go out within 10 seconds, the
engine
will
down. If a shutdown occurs check
that there are no leaks and check that
the proper amount of oil was added
to the oil tank. Then start the engine
again. If the engine shuts down auto-
matically, the key will have to be
turned off for 5 seconds before the
engine can be restarted. If the light
does not stay off after starting the
engine a second time, take the snow-
mobile to an authorized Yamaha
Snowmobile dealer for service.
14. Shut the engine off; then remove the
oil level stick from the oil tank and
wipe clean. Screw in the oil level
stick; then remove and verify the oil
level is within the "NORMAL"
range on the stick.
746-121A
automatically
shut
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