Glixal High Performance Secondary Transmission Gear, GY6 49cc 50cc 80cc 100cc Racing Final Drive Gear Set for 139QMB 139QMA 147QMD Engine Scooter Moped ATV Go Kart (18T/46T)
- Please Note: Does Require Pressing The Gears Off the Shaft
- Fit to all Chinese GY6 50cc to 100cc 139QMA, 139QMB,147QMD Based Engine.
- 2.555:1 Final Drive Gear Ratio (usually 3.41-3.71 stock)
- Get the most out of your big bore kit, with increased top speed and a more usable rev range performance with the right transmission gear set
- There are variants within the imported Chinese engines so we would seriously recommend you remove the old gears and ensure count the number of teeth prior to purchase.