12. FRONT WHEEL/FRONT BRAKE/ FRONT SUSPENSION AGILITY RS 50 NAKED Inspection Measure the brake master cylinder I.D. Service Limit: 12.75mm Inspect the master cylinder for scratch or crack. Measure the brake master cylinder piston O.D. Service Limit: 12.6mm Before assembly, inspect the lst and 2nd rubber cups for wear. 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. Install the rubber cover. Install the brake lever. 12-11