MOPED ARMY

13.13 Dellorto, $55 from treatshq

Malossi RedFilter, $15 from treatshq

Simonini circuit or similar pipe, roughly $120

Grind down the brass bushing in the variator as mike suggested. With proper jetting, that should get you to 40 or probly a bit over.

If you decide you like going fast, you can add a 64cc kit.