The Maddog 50 gets a high end Polini 95mm Variator. Here are the steps to take to get thae top end speed you paid for, but fair warning… It may not work. CVT mods for top end speed are just like rear gear mods. They are gear up mods and you need lots of horsepower to make them work.

Adjusting Roller Weights:    • Maddog 50cc Roller Weight Test.  139Q...  
Variator Size:    • Size Matters.  Maddog 50cc Variator S...  
Rip Off CVT Kits:    • Are GY6 CVT Performance Kits a RipOf...