I bought this bike for $500 and a friend of mine who knows a lot more about bikes then me has been helping out. We got the bike running, but the gears weren't catching. My friend did some kind of temporary repair just to get the bike to start, but he said there's a lot of "play" in the gears and he didn't reccomend even trying to ride the bike because it can get "messed up". This bike was a barn find almost and crankcase was left open for at least a year which could be part of the problem. Now he said he might be able to fix this, but he recommended converting it to a manual, because apparently the automatics have a lot of issues and aren't as fun. The gears and crankcase cover from a wr 430 should apparently fit right into the bike, as the AE is pretty much identical to the WR. And even though a 1987 wr 430 gears are hard to find and will cost a few bucks, I could probably sell the automatic gears and make a few bucks back. What would you do here?