Yamaha YZ250T1 Owner's Service Manual page 55

COOLANT REPLACEMENT
cC
Take care so that coolant does not splash
on painted surfaces. If it splashes, wash it
away with water.
1. Place a container under the engine.
2. Remove:
9 Coolant drain bolt 1
3. Remove:
9 Radiator cap
Drain the coolant completely.
4. Clean:
9 Cooling system
Thoroughly flush the cooling system with
clean tap water.
5. Install:
9 Copper washer
9 Coolant drain bolt
6. Fill:
9 Radiator
9 Engine
To specified level.
3-6
INSP
ADJ
10 Nm (1.0 m•kg, 7.2 ft•lb)
Recommended coolant:
High quality ethylene glycol
anti-freeze containing
anti-corrosion for
aluminum engine
Coolant 1 and water
(soft water) 2 mixing ratio:
50%/50%
Coolant capacity:
1.20 L (1.06 Imp qt, 1.27 US qt)