Top quality cylinder kit by Naraku. An extra emphasis was put on the piston quality. The Naraku piston has a molybdenum coating, so that cylinder and piston are protected especially during the run-in period. This Naraku kit is the perfect choice for a solid alternative to the expensive original cylinder. The power matches the original. Comes as shown including gasket material, 12mm piston pin, piston, piston rings and small parts. Original cylinder head may be retained.