OK guys, not to start a flame war, but I've been thinking a lot about the older models and wonder why some of the most important parts needed for them (the older crank, lights and fairings) aren't as easily available as the newer ones. So far online, I heven't been able to find near as many bits around compared to the 21's on. I came across this beautiful R6K SP in really nice shape going for 420,000 yen here. I wouldn't doubt it's been in the same shop for a while.

Am I wrong or are people really having a tough time finding parts for the older bikes? If so, how difficult is it for the average person to find another motor out of a newer 21 and/or use the 21/28's parts completely?