What sprocket for MAX speed?

[Vetlebs]

Hello what is the best sprocket sizes for max top speed? I have a chinese (Agb 37/orion/coolster/ssr) originally 125cc, bit i have an yx160. Front sprocket max 17? Smallest i found for rear is 35T?

thanks

 

[quintero.eric]

The more teeth you add will increase your top speed. Adding one tooth on your front sprocket is like adding three to the rear.