Yamaha YZ250F(R) Owner's Service Manual page 64

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COOLANT REPLACEMENT
COOLANT REPLACEMENT
WARNING
Do not remove the radiator cap when the
engine is hot.
CAUTION:
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:
Coolant drain bolt 1
3. Remove:
Radiator cap
Drain the coolant completely.
4. Clean:
Cooling system
Thoroughly flush the cooling system
with clean tap water.
5. Install:
Copper washer
Coolant drain bolt
6. Fill:
Radiator
Engine
To specified level.
Recommended coolant:
Coolant 1 and water (soft water) 2
mixing ratio:
Coolant capacity:
3 - 6
INSP
ADJ
10 Nm (1.0 m · kg, 7.2 ft · lb)
High quality ethylene glycol
anti-freeze containing anti-
corrosion for aluminum engine
50 %/50 %
0.9 L (0.79 Imp qt, 0.95 US qt)

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