This is Kris007's conversion 660cc to 734cc.
Kev2 did all the machining for Kris today, all went well with with no glitches. Kris hopes to have his head back from porting next week with +1mm valves. So watch this space a new big bore coming very soon.
Kris's build.
734cc cylinder
12.5:1 CP Raptor Piston
Stage 3 Hot cam
+1mm inlet valves
Ported head
+3mm Throttle body
+3 degrees ignition advance, rev limiter moved to 7700rpm
+4mm headers
After market cans
DNA Stage 3 air box
PCIII
Heavy duty clutch
http://www.youtube.com/watch?v=WSacVZKhk4k