KYMCO VENOX 250 Service Manual page 169

14
. HYDRAULIC BRAKE
Remove the pistons from the brake caliper.
Use compressed air to press out the pistons
through the brake fluid inlet opening and
place a towel under the caliper to avoid
contamination caused by the removed
pistons.
Push the piston oil seals inward to remove
them.
Clean each oil seal groove with brake fluid.
Be careful not to damage the piston
surface.
INSPECTION
Check each piston for scratches or wear.
Measure each piston O.D. with a
micrometer gauge.
Check each caliper and caliper cylinder for
scratches or wear and measure the caliper
cylinder I.D.
14-9
Piston Oil Seals
VENOX 250
Compressed Air