12. FRONT WHEEL/FRONT BRAKE/ FRONT SUSPENSION AGILITY 50 Check the piston for scratch or wear. Measure the piston O.D. with a micrometer. Service Limit: 26.3mm Check the caliper cylinder for scratch or wear and measure the cylinder bore. Service Limit: 26.45mm Assembly Clean all removed parts. Apply silicon grease to the piston and oil seal. Lubricate the brake caliper cylinder inside wall with brake fluid. Install the brake caliper piston with grooved side facing out. Install the piston with its outer end 3 5mm protruding beyond the brake caliper. Wipe off excessive brake fluid with a clean shop towel. Apply silicon grease to the brake caliper seat pin and caliper inside. Install the brake caliper seat. 12-16