Control functions
17
If the warning indicator and the warning light
go off, the engine oil level is sufficient, how-
ever it is getting low. Add engine oil as soon
as possible.
If the warning indicator and the warning light
do not go off, check the engine oil level in the
oil tank (see page 52 for engine oil level
checking procedures), and add engine oil if
necessary.
If the warning indicator and the warning light
still remain on, have a Yamaha dealer check
the snowmobile.
Oil pressure warning
The warning indicator comes on and “OP-
LO” (oil pressure low) appears in the odome-
ter display if the engine oil pressure is low
when the engine is started. At the same time,
the engine speed is limited to less than the
clutch engagement speed until the warning
indicator goes off.
If the engine oil pressure remains low for one
minute, the engine stops. If this occurs, have
a Yamaha dealer check the snowmobile.
TIP
If there is no engine oil in the oil passages
when the engine is started, such as after the
engine oil is changed, the warning indicator
may come on and “OP-LO” may appear in
the odometer display for a few seconds until
the oil circulates through the engine. The
snowmobile can be operated normally after
the warning indicator goes off.
ESU10514
Coolant temperature warning
indicator “ ”
If the engine overheats, the coolant tempera-
ture warning indicator and the warning light
come on. When this occurs, stop the engine
immediately and allow the engine to cool
down, and then check the coolant level in the
coolant reservoir. (See page 56 for checking
procedures.)
NOTICE
ECS00042
Do not continue to operate the engine if it
is overheating.
ESU12687
Self-diagnosis device
This model is equipped with a self-diagnosis
device for various electrical circuits.
If a problem is detected in any of those cir-
cuits, the warning light and the engine trouble
warning indicator flash, and an error code
flashes slowly in the meter display. Note the
error code, and then have a Yamaha dealer
inspect the snowmobile as soon as possible.
NOTICE:
Do not continue to operate the
1. “OP-LO” (oil pressure low)
2. Oil level/pressure warning indicator “
”
1
2
1. Coolant temperature warning
indicator “
”
2. Warning light “
”
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