featherweight
just completing an extensive restoration (don't know what else to call it), of an '87 200. parts from soup to nuts are NOT a problem. parts don't appear to be much (if any) more expensive than any other bike's parts. most (if not all) are available from your kawi dealer. many parts are available from wrecking yards.
needed to replace the ignition stator. original one was obviously burnt. understand the engines tend to run a little hot, which is hard on that stator.
didn't want to bear the cost of an entirely new stator assembly, so ordered a replacement ignition coil from electrex. they sent me a two-part stacked stator coil that also works in some version of quad. problem was..., even though it's the stator that shows up on kawasaki's on-line "fiche"..., it's NOT the stator that's displayed in the service manual or that's actually on the bike.
returned it, and they replaced it with the I-coil from a current 200/220. again..., wrong-o! returned it, and was met with silence.
after several phone calls, finally caught up with somebody who actually knew something. electrex finally consented to rewind the original coil. hoping to see it, soon.
that's been the only problem with parts.
i'm chomping at the bits to get it together and give it a ride. compared to my '99 220..., it's a real lightweight. fabricated a longer linkage strut for the rear suspension to increase ride-height & steepen the front-end. it should be outstanding in the woods!
just be darn careful of what you buy. look real deep. surface issues (wheel bearings, etc.) might be a clue to deeper issues such as rims corroded from the inside, crank/rod bearings, engine oil seals, loose/rusted suspension link-arm ball-joints, warped airbox cover, cracked airbox boot, fork bushings & seals, etc.
thankfully, it's sinfully easy to service. but you can crank up $1,000 real quick on parts for a poorly serviced bike.