GY6 Big Bore Cylinder 80cc

Description

This 50cc big bore kit will boost your scooter up to 80cc, and you still won’t need a license to ride it. On paper it’s still a 50cc scooter! On the road, the 50cc big bore kit makes your scooter faster… as fast as a 80cc scooter.

• Big Bore Kit Cylinder Kit to modify 50cc 60cc to a  80cc

This works on ATV, UTV, dirt bikes etc. too. However, there are things other than the 50cc big bore kit that will upgrade your scooter’s performance:
Click here for a good post on other 50cc scooter performance parts and upgrades.

Still, this is the best place to start. We have packaged everything you need with the bigger 80cc cylinder and piston for making your 49cc scooter into a 80cc beast. This kit is more than just a bored out cylinder.