Periodic maintenance and adjustment
87
RST90PGT
4. Start the engine and add coolant until the
coolant level stabilizes, and then stop the
engine.
5. Check for any coolant leakage. If coolant
is leaking, check for the cause.
If you find any leaks, consult a Yamaha deal-
er.
6. Fill the coolant reservoir with coolant until
it reaches the “COLD LEVEL” mark.
7. Install the coolant reservoir cap.
8. Install the top cover, the right side cover,
and the shroud, or close the shroud.
ESU13914
V-belt
EWS00402
● 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 in-
stalled 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.
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 (RS90P / RS90PLT / RST90PGT), or
open the shroud (RST90), and then re-
move the drive guard. (See page 28 for
drive guard removal procedures.)
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, or close
the shroud.
Recommended antifreeze:
High-quality ethylene glycol antifreeze
containing corrosion inhibitors
Antifreeze and water mixing ratio:
3:2
Total amount:
5.40 L (5.71 US qt, 4.75 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)
U8HV11E0.book Page 87 Monday, April 23, 2012 9:34 AM
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