101 Octane complete engine hardware set for QMB139 (GY6) 50cc/49cc scooters � a comprehensive flat-lay assortment of hex-head bolts, socket-head bolts, long cylinder studs, short flange bolts, nuts, washers, oil drain plug (large hex), circlip, and assorted small screws. Everything needed for a full engine rebuild or refresh in one kit.
Key Features:
Specifications:
Compatibility:
Fits QMB139 / GY6 50cc 4-stroke scooter engines. Compatible with most Chinese-made 50cc scooters, go-karts, and ATVs running the QMB139 engine architecture.
Note on hardware color: Kits ship in either all-silver zinc-plated hardware or a combination of gold zinc and black hardware, depending on manufacturer availability. Color selection is not available � see both images for examples of each variant.