12. FRONT WHEEL/FRONT BRAKE/ FRONT SUSPENSION PEOPLE 125/150 Install the diaphragm. Snap Ring Install the brake lever. Remove the main piston and spring from the Diaphragm Main Piston Master Cylinder brake master cylinder. Clean the inside of the master cylinder and brake reservoir with brake fluid. Snap Ring Spring INSPECTION Measure the brake master cylinder I.D. Inspect the master cylinder for scratches or cracks. Service Limit: 12.75mm Measure the brake master cylinder piston O.D. Service Limit: 12.75mm Before assembly, inspect the lst and 2nd rubber cups for wear or damage. ASSEMBLY Before assembly, apply brake fluid to all removed parts. Install the spring together with the 1st rubber cup. · During assembly, the main piston and spring must be installed as a unit without exchange. · When assembling the piston, soak the cups in brake fluid for a while. · Install the cups with the cup lips facing the correct direction. Install the main piston, spring and snap ring. 12-10