KYMCO NEXXON 50 Service Manual page 156

13
. HYDRAULIC BRAKE
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 3～5mm 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.
NEXXON 50
13-10