Yamaha RS VECTOR Owner's Manual page 92

Periodic maintenance and adjustment
RST90PGT
1. "COLD LEVEL" mark
4. Install the right side cover and the shroud,
or close the shroud.
Bleeding the cooling system
The cooling system must be bled if the cool-
ant reservoir becomes empty, if air can be
seen in the coolant reservoir, 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 shroud, the right side cover,
and the top cover [RST90PGT (see page
62 for the procedures)], or open the
shroud [RST90 (see page 66 for the pro-
cedures)].
3. Remove the coolant reservoir cap and
add coolant until it reaches the "COLD
LEVEL" mark.
86
RST90
1
1. "COLD LEVEL" mark
2. Coolant reservoir cap
RST90PGT
1. "COLD LEVEL" mark
2. Coolant reservoir cap
RST90
1
2