Periodic maintenance and adjustment
57
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
ECS00501
Operating the engine with an improperly
bled cooling system can cause overheat-
ing and severe engine damage.
Replenishing the coolant
1.
Place the snowmobile on a level surface
and apply the parking brake.
2.
Remove the top cover (PZ5NX) or open
the shroud (PZ5NT), and then remove
the right upper cover. (See page 44 for
the procedures.)
3.
Remove the coolant reservoir cap, add
the recommended coolant until it reach-
es the “COLD LEVEL” mark, and then in-
stall the cap.
4.
Start the engine, allow it to idle for sever-
al minutes, and then turn it off.
5.
Check for any coolant leakage. If coolant
is leaking, check for the cause.
TIP
If you find any leaks, consult a Yamaha deal-
er.
6.
Fill the coolant reservoir with coolant un-
til it reaches the “COLD LEVEL” mark.
7.
Install the right upper cover, and then in-
stall the top cover (PZ5NX) or close the
shroud (PZ5NT).
ESU12086
V-belt
WARNING
EWS00403
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.
1. “COLD LEVEL” mark
2. Coolant reservoir cap
Recommended antifreeze:
High-quality ethylene glycol anti-
freeze containing corrosion inhibitors
Antifreeze and water mixing ratio:
3:2
Total amount:
3.60 L (3.81 US qt, 3.17 Imp.qt)
(PZ5NX)
3.70 L (3.91 US qt, 3.26 Imp.qt)
(PZ5NT)
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