Yamaha YZ250(W)/W1 Owner's Service Manual page 408

FRONT BRAKE AND REAR BRAKE
EC5A5220
Master cylinder kit
1. Clean:
9 Master cylinder
9 Master cylinder kit
Clean them with brake fluid.
2. Install:
9 Master cylinder cup (primary) 1
9 Master cylinder cup (secondary) 2
To master cylinder piston 3.
NOTE:
Apply the brake fluid on the master cylinder cup.
w
After installing, cylinder cup should be in-
stalled as shown direction. Wrong installa-
tion cause improper brake performance.
A Front
B Rear
3. Install:
9 Spring 1
To master cylinder piston 2.
NOTE:
Install the spring at the smaller dia. side.
A Front
B Rear
5-19
CHAS