It's a mito bare frame, Aprilia front and rear end, full TZ250 fairings and subframe, Yamaha YPVS bottom end with 61mm stroker crank (+7mm) cheetah cub monoblock banshee cylinders (68mm bore), straight cut gears, all uprated bearings, billet head, digital ignition etc etc. Custom TSA expansion chambers.
Full thread is on piston heads here
http://www.pistonheads.com/gassing/topic.asp?h=0&f=74&t=1342728
Bike should weigh around 125kg, made 109hp at the wheel and 61ft/lb, on the wrong carb needles and a flat ignition map. Needs to go back on the dyno but first go was impressive nonetheless.
https://youtu.be/1bSypLcclvg
[Edited on 21/2/16 by Yazza54]