50cc cylinder kit for all 50cc 4-stroke Chinese scooters using GY6 139QMB / QMA engines. An ideal low-cost replacement kit for worn or damaged top ends. 50cc cylinder kit for...
To increase the power of your 50cc 4-stroke, Polini offers you this Polini 80cc Alu 4-Stroke AC cylinder piston kit at a rather advantageous price! With excellent manufacturing quality (“made...
88cc cylinder for you, although this is not a bolt-on item for most QMB 139 bikes. Most of the time, engine cases need to be cut. Order part number 1400-1001,...
Cylinder Material: primary aluminum alloy with high silicon content, hardened and tempered, cylinder liner with application of silicon carbides in a galvanic nickel matrix and cross-smoothing by two diamond passes,...
Seal for Malossi 88cc 139QMB/QMA cylinder kit. Suitable for several 4-stroke models such as Kymco Agility 4T, Sym Simply 4T & more. Cylinder: 3113243, Piston: 3413245 / 3413245.A0 / 3413245.B0...
The NCY 88cc Cylinder Gasket Set for GY6 50cc Engine includes the necessary gaskets for installing or overhauling an NCY 88cc Big Bore cylinder. Designed to manufacturer specifications, these gaskets...
The Naraku 50cc cylinder gasket set for GY6 50cc engines includes all the necessary gaskets for reassembling the top engine when replacing a cylinder, piston, or cylinder head. Designed to...