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If, at any time, abnormal noises, vibra-
tions, or improper working conditions of
any component of this snowmobile are
detected, DO NOT OPERATE THE
SNOWMOBILE. Take the snowmobile
to an authorized Yamaha Snowmobile
dealer for inspection and adjustment or
repair. If not under warranty, this service
is at the discretion and expense of the
snowmobile owner.
The snowmobile should be taken to an
authorized Yamaha Snowmobile dealer
at the end of each snowmobiling season
for general inspection and for off-season
storage servicing. This inspection and
servicing is at the expense of the snow-
mobile owner.
Fuel System
! WARNING
Whenever any maintenance or inspec-
tion is made on the fuel system in
which there may be fuel leakage, there
should be no welding, smoking, open
flames, etc., in the area.
Gasoline Additives
Fuel de-icer can be used for all models.
Yamaha Fuel Stabilizer should also be
added to the last tank of gasoline before
storage.
Fuel Pickup Valves
If ever there is a restricted fuel flow and a
pickup valve is suspected, take the snow-
mobile to an authorized Yamaha Snowmo-
bile dealer for this service. If not under
warranty, this service is at the discretion
and expense of the snowmobile owner.
Checking Engine Oil
Level
NOTE: The snowmobile must be
on a level surface for this procedure.
If the engine and oil are not at operat-
ing temperature the oil will not read
correctly on the oil level stick.
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.
Immediately
started, check that the oil pressure
warning light goes out.
2. 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.
3. If step 1 and 2 was followed and the
oil level is not within the "NOR-
MAL" range, add the recommended
engine oil.
NOTE: Care must be taken not to
over-fill the oil tank.
Changing Engine Oil/
Filter
Engine oil is extremely hot immedi-
ately after the engine is turned off.
0747-833
Burning could occur if oil contacts
skin or clothing.
NOTE: Recycle or properly dis-
pose of the used engine oil.
CAUTION
CAUTION
after
the
! WARNING
engine
is
SNO-482
21
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