![cylinder kit 72cc for GY6, Kymco 4-stroke, 139QMB/QMA](http://scooterpartshop.com/cdn/shop/products/bt27365_934x700.jpg?v=1525340004)
cylinder kit 72cc for GY6, Kymco 4-stroke, 139QMB/QMA
SKU BT27365
by 101 Octane
Original price
$53.89
-
Original price
$53.89
Original price
$53.89
$53.89
-
$53.89
Current price
$53.89
72cc (47mm) kit for all 50cc 4 stroke Chinese scooters which use the GY6 139QMA/QMB engines and Kymco 4T. A low cost performance upgrade to stock 50cc engines. Carburettor will need up jetting (approx 10%). Kit is supplied with required top end gaskets, barrel, piston, rings, pin and clips.