Before:

After:
Here's a movie showing the whole process: http://vimeo.com/3306009The bike started out as a 1980 Kawasaki LTD 750-4 (KZ750-H1). I found it in a junkyard in Amarillo, traded a craptastic $50 Peavey solid state amp for the bike, then had to dig it out of a sand dune. I had to drag it over to my truck and lift it in because the wheels wouldn't roll. I moved it from one storage place to another for a few years while I was in music school and then on the road with bands, before I had the time to get into it. I replaced the wheel bearings and rebuilt the brakes & carbs, found a seat for it and bought some tires, patched up the wiring harness and got the bike on the road. I rode it around for several years like that, and never even had to get into the engine!
Fast forward to April 2008: I decided to freshen up the top end, replace some leaky gaskets and such, and, well... one thing lead to another and I ended up taking it down to the frame and redoing a whole lot of stuff. I ported and polished the head, cleaned up the valves, installed a manual cam chain tensioner, rearranged all the wiring and electronics to fit under the seat, etc. I still have some lumpy GPz cams I'll drop in as soon as I get this electronic Spectre tach working (no tach drive on the GPz cams).
The only original parts are the wheels, frame, and the top end of the engine. The bottom end is from a 1982 LTD750-4 (I drove to Kansas and picked up the low mileage bottom end for $50 and a case of Dr. Pepper), the tank and fork are from different '82 GPz750s, the seat is an Airtech Streamlining fiberglass piece originally intended for a Yamaha TZ250-U.
I did this on a shoestring budget, and still probably have less than $1000 in the whole bike, but
countless hours. For instance: The tank was $21.50, the seat was $7.00, both from eBay, both had been campaigned on race bikes and sustained considerable damage (they looked like they'd been chewed on).

