Years ago I raced in the Ducati Desmodue series in the UK. Class B, aircooled, twin cylinder Supersport and Monster 600 bikes, putting out around 50-55bhp. Once you had those things set up properly and on a twistier circuit, like Cadwell Park or even Brands Indy to an extent, sliding past bigger bikes through the corners was a lot of fun. Even if they passed again on the straight, one could often pass back under brakes into the corner. Good times.