Master Cylinder Bleeding

CAUTION: Brake fluid is extremely damaging to paint. If fluid should accidentally touch painted surface, immediately wipe fluid from paint and clean painted surface.





When master cylinder has been removed or disassembled, or brake pipe has been disconnected from master cylinder, bleed air from master cylinder first to facilitate bleeding air of brake system.

Bleeding air from master cylinder
1) Fill master cylinder reservoir with specified brake fluid and wait for at least 1 minute.
2) Disconnect brake pipe from primary side (for rear brake).
3) With discharge port opened, depress brake pedal gradually.
Then with discharge port closed with finger, release brake pedal gradually and keep it closed for about 5 seconds before depressing brake pedal again.
4) Repeat what is described in above 3) till liquid comes out of discharge port. After that, repeat still the same procedure at least 3 times and then connect primary side brake pipe.





5) Disconnect brake pipe from secondary side (for front brake).
6) With discharge port closed with fingers, repeat the same procedure as described in above 3) till liquid comes out of discharge port. After that repeat still the same procedure at least 3 times and then reconnect secondary side brake pipe.
7) Upon completion of above steps, proceed to operation as described under item Bleeding Brakes.
System Bleeding Procedure