NCY Cylinder Kit (43mm, 66.8cc); SYM 50cc, Lance 50cc 4T e Fits Largeframes VNA

Fits Largeframes VNA

Sprint 150 (VLB)

NOTE: You're going to need access to a 12-ton hydraulic compressor to remove the stock counter shaft gear from the counter shaft

GY6 50cc TaoTao

NCY Cylinder Kit (43mm, 66.8cc); SYM 50cc, Lance 50cc 4T e Fits Largeframes VNAThe 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.