1985-1986 Honda Fourtrax 125 TRX125 Shop Manual, Page 199Get this manual
j REAR WH EEL BRAKE DRIV MECHANISM
I nstall the dust seatAlign the tab on the indicator plate with the punch mark on the brake cam and install the indicator plateInstall the brake arm over the brake cam aligning
the punch marks
Install the brake arm bolt and nut and tighten the bolt
DUST SEAL
BRAKE ARM
SHOE SPRINGS