Replacement/Air Bleeding - Honda CRF450X 2005 Service Manual

,.
Rou te the hoses
properly ('05 - '07:
page 1-25, A fter
'07: page
1-32J.
REPLACEMENT/AIR BLEEDING
Remove the right and center engine guard (page 3-5),
Remove the radiator cap.
Drain the coo lant from the system by removing the
drain bolt and sealing washer on the water pump
cover.
Insta ll the drain bolt with a new sealing washer.
Tighten the drain bolt securely.
Disconnect the siphon hose from the reserve tank.
Remove the reserve tank cap and reserve tank.
Drain the reserve tank coolant.
Empty the coolant and rinse the inside of the
reserve tank w ith water.
Reinstall the reserve tank and connect the radiator
siphon hose.
Install the right and center engine guard (page 3-5),
Fill the system with the recommended coolant
through the filler opening up to the filler neck.
CAPACITY:
1.21
liter
(1.28 US
qt,
1.06
Imp qt) at change
Lean the machine approximately 20 Q to the right
and left several times to bleed any air trapped in the
cool ing system. If the coolant level drops, add more
coolant and repeat the air bleeding procedure.
COOLING SYSTEM
7-7