Motorcycle Cylinder Liner suitable for use with CBR400, CBR23, CB-1, CB400, CBR 400, CBR 23, CB1, and CB 400 models.This cylinder kit is constructed from cast iron and designed as a direct replacement part.The inner wall of the cylinder is coated with a ceramic composite material, featuring a deposited layer of Ni-SiC composite ceramic film.Ceramic particles integrated into the inner wall have a diameter of 0.3μm, contributing to a compact structure with low roughness and a friction coefficient ranging from 0.06 to 0.082.The coating provides enhanced properties including temperature resistance, corrosion resistance, self-lubrication, strength, and wear resistance.This single-piece cylinder liner supports long service life under performance conditions.