![Image](http://img.photobucket.com/albums/v328/shaunaf/DSC08385.jpg)
race rapido 225 kit ports just polished and matched using 28mm koso pwk and sorpion exhaust. 3rd gear run.
![Image](http://img.photobucket.com/albums/v328/shaunaf/DSC08386.jpg)
1st graph show a standard race rapido 225, 70mm bore , 58 stroke with ports just smoothed out and matched . 2nd graph
same barrell inlet opened and exhaust port widened and raised using 34mm koso pwk and franspeed race. asso piston with 3mm off inlet side. 3rd gear run.