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ESU00278
Coolant temperature warning light
This snowmobile is equipped with a self-diagnosis device
which is able to detect a malfunctioning sensor, discon-
nected coupler, broken lead, abnormally high coolant
temperature, etc.
The coolant temperature warning light warns the rider of
the above problems by flashing or staying on. If neces-
sary, ask a Yamaha dealer for further details. (See page
5-5 for warning light flash patterns.)
After the engine starts, this light flashes three times to
check the bulb, and then goes off if there are no prob-
lems. (See page 5-5 for warning light flash pattern num-
ber 0.)
If it does not flash, have a Yamaha dealer inspect the
electrical circuit.
WARNING
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●
If the coolant temperature warning light flashes
continually or stays on during operation, there
may be some problem with the electrical circuit,
lead couplers, or engine cooling system. (See
page 5-5 for warning light flash pattern numbers
1–7.)
●
Stop the engine and allow it to cool off. Then,
check that the wire harness couplers are con-
nected properly in the engine compartment and
that the coolant level of the coolant reservoir is
within the specified range. (See page 6-2.)
●
If the coolant temperature warning light remains
on after the engine has been started or if it
flashes, note the flash pattern, and then have a
Yamaha dealer inspect the snowmobile as soon
as possible.
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E_8DG.book Page 4 Friday, June 29, 2001 4:20 PM