Taida Cylinder 50mm 81cc Big Bore Kit w/Cast Piston (139QMB)
Description: High-Quality Taida Cast-Iron Cylinder 50mm 81cc with Cast Aluminum Piston for 139QMB engines. The cylinder bore is 51mm. Taida 51mm Cylinder Big Bore Kit is suitable for all air-cooled 4 stroke 50cc engines, and most Chinese imported vehicles 50cc (scooters, quads, and buggies).
NOTE: Please, measure with a caliper QMB crankcase bore (opening) for 54.85mm cylinder outer diameter sleeve need a minimum 55mm bore clearance or boring and machining are required.
Includes the following Cylinder, Piston + Rings, Gaskets (chain tensioner gasket, compression base gasket, steel head gasket), Wrist pin, Circlips, and Taida Sticker.
• 1x Cast-Alumin Piston: 50mm
• 1x Piston Rings: 50mm
• 1x Cast-Iron Cylinder: 50mm
• 54.85mm Outer Sleeve Diameter
• Fit 50mm Stud Spacing
• Fit Cylinder Head 50mm to 52mm
• Fit QMB 49/50cc+
Supported Models: GY6 139QMB 49cc-50cc engines, Buddy50, Filly 50, Kymco, QLink, RoughHouse, SYM, TaoTao
Item Weight & Package Dimensions:
• 2.5 pounds | 5.422” (L) x 5” (W) x 3.536” (H)