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Periodic maintenance and adjustment
55
Bleeding the cooling system
The cooling system must be bled if the cool-
ant reservoir becomes empty, if air can be
seen in the cooling system, or if there is a
cooling system leak. Consult a Yamaha deal-
er.
NOTICE
ECS00500
Operating the engine with an improperly
bled cooling system can cause overheat-
ing and severe engine damage.
Replenishing the coolant
1. Remove the shroud. (See page 44 for re-
moval procedures.)
2. Remove the coolant reservoir cap and
add coolant until it reaches the “FULL”
mark.
3. Start the engine and add coolant until the
coolant level stabilizes, and then stop the
engine.
4. Fill the coolant reservoir with coolant until
it reaches the “FULL” mark.
5. Install the coolant reservoir cap.
6. Check for any coolant leakage.
7. Install the shroud.
TIP
If you find any leaks, consult a Yamaha deal-
er.
ESU12064
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
1. Coolant reservoir cap
1. “FULL” mark
Recommended antifreeze:
High-quality ethylene glycol antifreeze
containing corrosion inhibitors
Antifreeze and water mixing ratio:
3:2
Total amount:
3.40 L (3.59 US qt, 2.99 Imp.qt)
U8HK10E0.book Page 55 Tuesday, June 10, 2008 1:58 PM