Polini 3G Maxi-Speed Adjustable Clutch for 125cc and 150cc GY6 4-stroke engines. Polini’s 3G Maxi-Speed clutches have allen screws for adjusting preload on the clutch springs without having to remove the clutch from the engine! This is the type of clutch used by Polini’s race teams and it also features lightweight reinforced clutch blocks and fiber reinforced shoes for long life, good grip and superior heat resistance. Great for use on stock or modified GY6 engines. Fits Honda, Chinese and Taiwanese GY6 powered scooters including the following: Honda: Elite 110, PCX 125/150, SH150Genuine: Buddy 125Kymco: Agility 125/150, People 125/150, Like 125/150, and Super 8 125/150SYM: HD125, Symply 125Scooters with Engine Code: QMI152, QMI157, QMJ152, QMJ157, BN157QMJ, 1P58MJ 157MJPlease see our Warranty & Returns Policy.