This is an authentic Yamaha Genuine Part designed for use with various Yamaha scooter models, including M3, NMAX, Mio i125, and Aerox. The product is a 13-gram pulley ball, also known as a flyball, with the part number 2PH-E7632-20. The image shows a set of six flyballs packaged neatly and labeled clearly with the Yamaha brand and the part number, ensuring customers receive a reliable and high-quality replacement for their scooter's variable valve timing system. These balls are used to help in the adjustment of the transmission for better acceleration and overall performance. Made in Indonesia, they're indicated for projects where maintaining original equipment quality is crucial for the performance and longevity of the vehicle.