CG125 motorcycle full oil seal kit, covering 5-8 key oil seal positions, including crankshaft oil seal (22×35×7mm), countershaft oil seal (20×34×7mm), front shock absorber oil seal (27×37×9.5mm) and other core specifications, with holes perfectly matching the engine, gearbox and shock absorbers, ready for direct replacement without modification; the main body is made of nitrile rubber (NBR) and fluorine rubber (FKM), with excellent oil and wear resistance, operating stably in temperatures from -30℃ to 120℃, lasting twice as long as ordinary rubber seals, effectively resisting high-temperature oil corrosion of the engine; the oil seal lip features an R-angle design with evenly elastic spring, optimised interference of 28% for a tighter fit; specially designed oil return grooves and raised dust lip prevent oil leakage and block rainwater, dust and other contaminants; includes all essential oil seals for engine, gearbox, shock absorbers, and gear lever, solving multiple leakage issues in one set without separate purchases, making major maintenance more convenient; precision moulded for a smooth surface without bubbles or cracks, metal skeleton enhances rigidity and toughness, reducing friction during operation, minimising component wear and improving noise problems caused by aging old seals