
POLINI Cylinder Kit - Ø40mm (Manufacturer reference: 166.0094) is a high-performance engine kit designed for 50cc scooters. Intended for the refurbishment of the thermal group, this kit includes all the necessary components to renew the upper part of the engine and get back on the road in urban environments.
This kit is aimed at urban riders and demanding DIY enthusiasts looking for a complete solution for the upper engine. It is particularly suitable for the most common 50cc scooters: YAMAHA AEROX R (SA421) 2018, MBK NITRO NAKED 2017, and APRILIA SONIC 50 GP 2015. Installation and adjustments should be carried out according to the manufacturer's recommendations or by a professional.