80cc Big Bore Kit For Chinese 139QMB Scooter Motors – With EGR & 69mm Valves
- Taotao 50 CC Scooter 80cc Big Bore Kit For Chinese 139QMB Scooter Motors – With EGR & 69mm Valves
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About This Product
Want to squeeze some more power out of your Chinese scooter?
This GY6 STORE big bore kit is for you.
It's designed for the common 139QMB (usually 50cc) engines found in TaoTao and other Chinese scooters.
This kit bumps the displacement up to 80cc.
It's a pretty straightforward upgrade: swap out your stock cylinder and piston for this one.
It's specifically noted to work with engines that have the EGR system and 69mm valves.
It's a brand-new kit, so it comes with all the bits you need to get more oomph for hills or just to keep up with traffic better.
Just make sure your motor is compatible with the EGR system before you dive in.
It's a popular performance swap to wake up those little 50cc scoots.
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