NCY Piston Rings (50mm, for 81cc Cylinder Kit); 139QMB ice this bolt-on upgrade delivers up

this bolt-on upgrade delivers up to a 36% increase in horsepower over the stock 125cc configuration — all with a complete gasket set and hardware included for a clean

SKU: 1200-1153

The result is an immediate boost in throttle response

We recommend pairing with an inner tube

NCY Piston Rings (50mm, for 81cc Cylinder Kit); 139QMB ice this bolt-on upgrade delivers upNCY Piston Ring replacement kit for the NCY 50mm piston found in the 81cc big bore cylinder kit. Fits SW part #1100 1237 About NCY: NCY stands as the premier provider of aftermarket performance components for leading scooter brands such as Honda, Yamaha, Genuine, Vespa, Piaggio, SYM, Lance, KYMCO, and GY6 139QMB powered scooters. Established in 1997, NCY adheres to rigorous quality standards and holds ISO 9001 certification. NCY performance parts are