2004 Bombardier DS650/DS650 Baja/DS650 Baja X Shop Manual, Page 218Get this manual
Section 09 BRAKES Subsection 02 (HYDRAULIC BRAKES)
Discard sealing washersUnhook push rod no19 from brake pedal no5Remove bolts no20 retaining master cylinder to frame3 1
master cylinders and pistons for scoring, scratches or other damageChange part(s) if necessaryCheck locking pin no26 for excessive wear, replace if necessaryNOTE: If master cylinder is damaged or leaking, replace as an assembly
Assembly
Front Master Cylinder Coat master piston and piston cups with clean brake fluidInstall: spring onto master piston master piston into master cylinder snap ring into groove in the master cylinder boot into master cylinder and the groove in pistonApply silicone grease to the brake lever contacting surface of the pistonInstall brake lever and locking mechanismNOTE: Apply silicone grease on lever pivot boltRear Master Cylinder For the rear master cylinder use the same procedure that front master cylinder, however pay attention to the following: If push rod yoke no27 is reinstalled, adjust push rod length, see the following illustration