Upgraded Engine 47mm Big Bore Cylinder With Piston for 70cc 2 Scooters JOG for Minarelli Clone Motors

70cc 2-stroke big bore for chinese scooters. This has a 47mm cylinder bore and 10mm wrist pin. Includes wrist pin bearing. 47mm Big Bore for Head for 50cc 2-stroke 40QMB, E40QMB, 1E40QMB AND 1PE40QMB for Minarelli engines to increase drive power. Please make sure to compare your old parts to the photos provided.