101 Octane Engine Bolt Set – 139QMB GY6 50cc
Original price was: $32.00.$25.01Current price is: $25.01.
22 in stock
Description
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:
- Comprehensive bolt kit for QMB139 GY6 50cc engine rebuilds — covers CVT cover, cylinder studs, oil drain plug, and more
- Includes hex-head bolts, socket-head bolts, long cylinder studs, flange bolts, nuts, washers, oil drain plug, circlip, and small screws
- Handy all-in-one hardware set for engine disassembly and reassembly
- SKU: 155-3 | MPN: BT13886 | Made in China by 101 Octane
Specifications:
- Brand: 101 Octane
- SKU: 155-3
- Application: QMB139 / GY6 50cc / 49cc 4-stroke engines
- Contents: Assorted engine bolts, studs, nuts, washers, oil drain plug, circlip, small screws
- Weight: 2.25 lbs
- Made in China
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.

