Yamaha YZ450FX 2019 Owner's Service Manual page 154

Disassembling the rear brake master cylinder
Order Job/Parts to remove
1 Dust boot
2 Circlip
3 Push rod
4 Brake master cylinder kit
BF
4
New
3
S
2 New
1
4-26
REAR BRAKE
Q'ty Remarks
1
1
1
1