Honda 2009 CRF450X Owner's Manual & Competition Handbook page 55

Cooling System Bleed Air
1. Remove the radiator cap (1).
2. Fill the system with the recommended coolant
through the filler opening up to filler neck (2).
Use a fresh recommended coolant mixture
(page 47).
Capacity: 1.21R (1.28 US qt, 1.06 Imp qt)
(1)
(2)
(1) radiator cap (2) filler neck
3. Remove the reserve tank cap (3) and fill the
reserve tank to the UPPER level line (4).
(3)
(4)
(3) reserve tank cap
(4) UPPER level line
4. Bleed air from the system as follows:
• Shift the transmission into neutral. Start the
engine and let it idle 2 – 3 minutes.
• Snap the throttle three – four times to bleed
air from the system.
• Stop the engine and, if necessary, add
coolant up to the proper level. Reinstall the
radiator cap.
• Check the level of coolant in the reserve
tank and fill to the UPPER level if it is low.
NOTICE
If the radiator cap is not installed properly, it
will cause excessive coolant loss and may result
in overheating and engine damage.
5. Install the reserve tank cap.
Servicing Your Honda
HONDA O/M CRF450X (Eu) 3RMEY620 00X3R-MEY-6200
Coolant
49