piston ring set Polini 63mm for Yamaha Majesty, Benelli Velvet, MBK Cityliner 125-150cc 4T 206.0311

Suitable piston ring set for the 170-183cc aluminium Polini cylinder kit for Maxi Scooters with water-cooled Yamaha 4-stroke engines such as Benelli Velvet; Italjet Millenium; Malaguti F12 Phantom, Madison; MBK Cityliner, Doodo, Skyliner, Skycruiser, Thunder; Renault Kouranos, Yamaha Majesty, Maxster, Jupiter, Exciter, Spark, Sniper and Teos.