CG125 motorcycle lower rocker arm suit, rocker arm size, rocker arm shaft diameter and CG125 valve system fully match, directly replace the original parts, compatible with camshaft, valve and other structures, without modification; The rocker arm is forged with high strength alloy, resistant to impact and deformation, can withstand repeated load of valve opening/closing, and is suitable for long-term high-frequency working conditions. It is the core replacement part of the valve system failure (such as abnormal valve sound, poor opening and closing), suitable for the overhaul/maintenance of the engine valve system.