1983-1985 Original Honda ATC 200X Shop Manual, Page 184Get this manual
BRAKE MECHANISM CALIPER ASSEMBLY
Lubricate the inside diameter of the caliper cylinder with brake fluidInstall new oil sealsBRAKE FLUID
Install the piston with the piston pad end facing the brake pad sideNOTE: Install the piston with the end projecting about 10 mm (38 in) from the caliper cylin_ _.l
10 mm (38 in)