This 50cc Big Bore Kit will increase your speed and power by turning your scooter into a 80cc scooter.
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.
Nonetheless this kit is a great place to start. This kit is more than just a bored out cylinder. It’s a package deal of all the parts that you need along with the bigger 80cc cylinder and piston for making your 49cc scooter into a 80cc monster.
Works on ATV, UTV, dirt bikes etc. too.