Complete cylinder kit with all gaskets and parts for fitting. The cylinder corresponds to the original 125cc cylinder, and delivers identical engine performance. This makes this kit ideal as an inexpensive replacement for a defective original cylinder. The piston features the Naraku wear-reducing coating, as found in most other Naraku kits. The running-in period is significantly improved. Overall, the quality of workmanship on Chinese replacement parts has deteriorated significantly, making this kit a very good choice as a replacement item.