2002-2003 Bombardier Baja DS650 Service Manual, Page 187Get this manual
Section 09 BRAKES Subsection 02 (HYDRAULIC BRAKES)
NOTE: 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
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Master cylinder Flexible hose Rear brake hose Push rod Remove bolts Rear brake switch Rear brake switch connectors