Yamaha Venture Lite PZ50RTB Owner's Manual page 68

Periodic maintenance and adjustment
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.
ECS00500
NOTICE
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
PZ50GT / PZ50MT) or open the shroud
(PZ50VT), and then remove the right up-
per cover. (See page 49 for the proce-
dures.)
3. Remove the coolant reservoir cap, add
the recommended coolant until it reaches
the "COLD LEVEL" mark, and then install
the cap.
1. "COLD LEVEL" mark
2. Coolant reservoir cap
62
top cover (PZ50RT /
Recommended antifreeze:
High-quality ethylene glycol antifreeze
containing corrosion inhibitors
Antifreeze and water mixing ratio:
3:2
Total amount:
PZ50GT 3.60 L (3.81 US qt,
3.17 Imp.qt)
PZ50MT 3.60 L (3.81 US qt,
3.17 Imp.qt)
PZ50RT 3.60 L (3.81 US qt,
3.17 Imp.qt)
PZ50VT 3.70 L (3.91 US qt,
3.26 Imp.qt)
4. Start the engine, allow it to idle for several
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 until
it reaches the "COLD LEVEL" mark.
7. Install the right upper cover, and then in-
stall the top cover (PZ50RT / PZ50GT /
PZ50MT) or close the shroud (PZ50VT).