Try this site, you'll probably get more responses. I do believe if you do a search on that site, you may find some information, I do remember seeing a topic about 4x4 KFX700.
http://www.kawieriders.com
2006 Kawasaki V-Force-all stock
2004 TRX450R -Still being built, Motor's By Johnny. Thanks TNT Motorsports
2004 YFZ450-502 Big Bore, Head done by kenz cycle tech, +1 valves, Crower gen 3 cam, FCI intake, 42.5 fcr carb Jardine pipe, built for flattrack racing
2004 YFZ450-WR crank, n-motion head, web 2.5 cams, 42.5 fcr carb Woods intake, Venom pipe, built for flattrack racing