Yamaha YZ450FP 2023 Owner's Service Manual page 144

Disassembling the rear brake caliper
BF
S
Order Job/Parts to remove
1 Brake caliper piston
2 Brake caliper piston dust seal
3 Brake caliper piston seal
4 Bleed screw
1
2
3
4-28
REAR BRAKE
5 N ・ m (0.5 kgf ・ m, 3.7 lb ・ ft)
4
Q'ty Remarks
1
1
1
1