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Periodic maintenance and adjustment
69
valve clearance must be adjusted by a
Yamaha dealer at the intervals specified in
the periodic maintenance chart.
ESU12817
Engine oil and oil filter cartridge
The engine oil level should be checked before
each use. In addition, the oil must be changed
and the oil filter cartridge replaced at the inter-
vals specified in the periodic maintenance
and lubrication chart.
WARNING
EWS00370
Engine oil is extremely hot immediately af-
ter the engine is turned off. Coming into
contact with or getting any engine oil on
your clothes could result in burns.
NOTICE
ECS00482
●
Do not run the engine with too much or
not enough oil in the oil tank. Oil could
spray out or the engine could be dam-
aged.
●
Be sure to change the engine oil after
the first 800 km (500 mi) of operation,
and every 4000 km (2500 mi) thereafter
or at the start of a new season, other-
wise the engine will wear quickly.
●
The oil filter cartridge should be re-
placed after the first 800 km (500 mi) of
operation, and every 20000 km (12000
mi) of operation thereafter.
To check the engine oil level
1.
Place the snowmobile on a level surface
and apply the parking brake.
2.
Start the engine, warm it up for 10–15
minutes, and then turn it off.
TIP
●
The engine can also be warmed up by driv-
ing the snowmobile for 10–15 minutes.
●
After operating the snowmobile, allow the
engine to idle for at least 10 seconds before
turning it off.
3.
Remove the shroud and the right side
cover. (See page 63 for removal proce-
dures.)
4.
Disconnect the oil level gauge coupler.
NOTICE:
Disconnect the oil level
gauge coupler before removing the oil
filler cap, otherwise the cable could
twist and break.
[ECS00452]
1. Oil level gauge coupler
2. Oil filler cap
U8HKS4E0.book Page 69 Tuesday, May 8, 2012 9:27 AM