13. HYDRAULIC BRAKE K-PIPE 125 INSPECTION Check each piston for scratches or wear. Measure each piston O.D. with a micrometer gauge. Service Limit: 25.45mm replace if below Check each caliper and caliper cylinder for scratches or wear and measure the caliper cylinder I.D. Service Limit: 25.30 mm replace if over ASSEMBLY Clean all removed parts. Apply silicon grease to the pistons and oil seals. Lubricate the brake caliper cylinder inside wall with brake fluid. Install the oil seals and then install the brake caliper pistons with the grooved side facing out. Install the piston with its outer end protruding 35mm 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. 13-10