Periodic maintenance and adjustment
56
5.
Start the engine, allow it to idle for several
minutes, and then turn it off.
6.
Check the coolant level in the coolant
reservoir. If it is not full, remove the cool-
ant reservoir cap, fill the reservoir with the
recommended coolant, and then install
the cap.
7.
Check for any coolant leakage.
TIP
If you find any leaks, consult a Yamaha deal-
er.
8.
Install the top cover.
ESU13374
V-belt
WARNING
EWS00401
●
Coming in contact with the rotating V-
belt or clutch parts can cause severe in-
jury or death. Never run the engine with
the drive guard removed.
●
Make sure that the drive guard is tight-
ened securely before operating the
snowmobile to protect against severe
injury or death from a broken V-belt or
other part should it come off the snow-
mobile while it is in operation.
NOTICE
ECS00830
Never run the engine with the V-belt re-
moved. Clutch components can be dam-
aged.
The V-belt should be checked before each
ride.
To check the V-belt
1.
Remove the shroud and the left side cov-
er, and then remove the drive guard.
(See pages 21 and 42 for removal proce-
dures.)
2.
Check the V-belt for wear and damage.
Replace if necessary.
3.
Install the drive guard, and then install the
left side cover and the shroud.
To replace and adjust the V-belt
WARNING
EWS00411
When installing a new V-belt, make sure
that it is positioned properly. Otherwise,
the V-belt clutch engagement speed will
be changed and the snowmobile may
move unexpectedly when the engine is
started, which could cause an accident.
NOTICE
ECS00511
As the V-belt wears, the position of the V-
belt will change. If the V-belt position is out
of specification, it must be adjusted to en-
sure proper clutch performance.
Recommended antifreeze:
High-quality ethylene glycol antifreeze
containing corrosion inhibitors
Antifreeze and water mixing ratio:
3:2
Total amount:
RS90GT 5.62 L (5.94 US qt,
4.95 Imp.qt)
RS90LTGT 6.13 L (6.48 US qt,
5.39 Imp.qt)
1. V-belt wear limit
New V-belt width:
34.5 mm (1.36 in)
V-belt wear limit width:
32.5 mm (1.28 in)
U8JA10E0.book Page 56 Tuesday, May 19, 2009 2:37 PM