2-62 PERIODIC MAINTENANCE
Periodic Maintenance Procedures
Rear Master Cylinder Disassembly
Remove the rear master cylinder (see Rear Master Cylin-
der Removal in the Brakes chapter).
Remove the reservoir cap [A], plate [B] and diaphragm
Remove the circlip [D], connector [E] and O-ring [F].
Special Tool - Inside Circlip Pliers: 57001-143
Slide the dust cover [G] out of place, and remove the cir-
Pull out the push rod assy [I].
Take off the piston assy [J] and return spring [K].
Do not remove the secondary cup from the piston
since removal will damage it.
Push Rod Assy
Master Cylinder Assembly
Before assembly, clean all parts including the master
cylinder with brake fluid or alcohol.
Except for the disc pads and disc, use only disc
brake fluid, isopropyl alcohol, or ethyl alcohol for
cleaning brake parts. Do not use any other fluid for
cleaning these parts. Gasoline, engine oil, or any
other petroleum distillate will cause deterioration of
the rubber parts. Oil spilled on any part will be diffi-
cult to wash off completely, and will eventually de-
teriorate the rubber used in the disc brake.
Apply brake fluid to the new parts and to the inner wall of
Take care not to scratch the piston or the inner wall of the
Apply silicone grease.
Brake Lever Pivot Bolt
Brake Lever Pivot Contact
Push Rod Contact
Tighten the brake lever pivot bolt and the locknut.
Torque - Brake Lever Pivot Bolt: 1.0 N·m (0.10 kgf·m, 8.9
Brake Lever Pivot Bolt Locknut: 5.9 N·m (0.60
kgf·m, 52 in·lb)