NCY Cylinder Kit (43mm, 66.8cc); SYM 50cc, Lance 50cc 4T front rack hardware Temperature Compensated — automatically adjusts

Temperature Compensated — automatically adjusts charge voltage based on ambient temperature

the majority of scooter riders have evolved into lifestyle scooterists

Four speed selector box with no neutral hole for vintage scooters

Air Filter Mount: 37mm

For gasket

NCY Cylinder Kit (43mm, 66.8cc); SYM 50cc, Lance 50cc 4T front rack hardware Temperature Compensated — automatically adjustsThe NCY 43mm Big Bore Cylinder Kit bumps displacement on your SYM or Lance 50cc 4 stroke scooter from the stock 49cc up to 66. 8cc a 34% increase that translates directly into stronger acceleration, improved top end pull, and a noticeably more responsive throttle. NCY is one of the most trusted names in scooter performance parts, and this kit reflects their standard of precision machined components at a price that makes the upgrade a no brainer.