Yamaha YZ450FT Owner's Service Manual page 67

COOLANT REPLACEMENT
EC353011
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:
• Engine guard 1
• Coolant drain bolt 2
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
• Engine guard
• Bolt (engine guard)
6. Fill:
• Radiator
• Engine
To specified level.
Recommended coolant:
Coolant 1 and water (soft water)
2 mixing ratio:
Coolant capacity:
3 - 6
INSP
ADJ
New
10 Nm (1.0 m · kg, 7.2 ft · lb)
34 Nm (3.4 m · kg, 24 ft · lb)
High quality ethylene glycol
anti-freeze containing anti-
corrosion for aluminum engine
50 %/50 %
1.2 L (1.06 Imp qt, 1.27 US qt)