Yamaha TZ250M1 Owner's Service Manual page 195

FRONT BRAKE AND REAR BRAKE
5-15
EC533301
Caliper piston
1. Remove:
• Caliper piston
Use compressed air and proceed carefully.
W
• Cover piston with rag and use extreme
caution when expelling piston from cylin-
der.
• Never attempt to pry out piston.
Caliper piston removal steps:
• Insert a piece of rag into the caliper to lock
one caliper.
• Carefully force the piston out of the caliper
cylinder with compressed air.
A Front
B Rear
EC543411
Piston seal kit
1. Remove:
• Dust seal 1
• Piston seal 2
NOTE:
Remove the piston seals and dust seals by
pushing them with a finger.
C C CAUTION:
• Never attempt to pry out piston seals and
dust seals.
• Do not loosen the bolts 3 3 and nuts 4 4 .
W
Replace the piston seals and dust seals
whenever a caliper is disassembled.
A Front
B Rear
CHAS