50cc Carburetor 19mm Oval Bored to 21mm

We take a brand new 19mm carburetor and machine just the top of the bore to a 21mm.with This lets you keep the low-end and mid-range of a 19mm, but allows you to gain more top end power.   

Models                          Years

GasGas MC50             2021+

Husqvarna TC50         2017+

KTM SX50                    2009+