NCY Piston Rings (50mm, for 81cc Cylinder Kit); 139QMB black-out Note: For off-road use only

Note: For off-road use only

NCY Aluminum front master cylinder cap replacement

Compatible Engine Codes

this adapter increases braking leverage and heat dissipation for more consistent performance

and GY6/139QMB powered scooters

NCY Piston Rings (50mm, for 81cc Cylinder Kit); 139QMB black-out Note: For off-road use onlyNCY 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