Honda CRF450R 2009 Service Manual page 494

HYDRAULIC BRAKE
16·8
Connect a bleed hose to the bleed valve.
loosen the
bleed valve
and pump the brake
lever
or
pedal.
Stop operating the brake when no more fluid flows ou t
of the bleed valve.
BRAKE FLUID FILLING/AIR BLEEDING
Use only DOT 4 brake fluid from a sealed container.
• Do not mix different types of fluid. They are nol
compatible.
Fill the master cylinder with DOT 4 brake fluid from a
'FRC~~"'PER---~;:2l:::::J~
sealed container.
I
Connect a commercially available brake bleeder to the
bleed vatve.
Operate the brake bleeder and loosen the bleed valve.
If
an automatic
refill system is not used , add brake fluid
when the fluid level in the reservoir is low.
Check the fluid level often while bleeding to prevent
air from being pumped into the system.
When using a brake bleeding 1001, follow the
manufacturer's operating Instructions.