Yamaha YZ 2020 Series Owner's Service Manual page 139

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
4-25
REAR BRAKE
6 N ・ m (0.6 kgf ・ m, 4.4 lb ・ ft)
Q'ty Remarks
1
1
1
1