Maintenance & Technical > KX500 Original

KX500 engine races...

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ben:
Well, I took an interesting approach to solving this problem.  Last week I took off the carb and cleaned it real well, making sure the pilot jet was not clogged.  Everything looked okay but when I bolted it back together, and started it up, the engine continued to race.

Rick, the plug is black, but I know it is running lean - I just don't let it run long enough to turn the plug a light tan or white.

So on Saturday I did what any KX500 owner would do, I went out and bought another one!  I found a 99 that was in VGC and had some nice extras with it, both on and off the bike.  I got it for $1575, which I thought was pretty good price.

I took the carb of the 99 and put it on the 01, just to make sure the carb wasn't the problem.  The 01 engine still raced with the 99 carb.  I guess it has to be an air leak somewhere, so I am going to try a pressure test in the near future.

So now I have a one KX500 that runs great, and I can take my time fixing the other one, and still get my KX500 rush once or twice a week.

Is there some sort of open bike support group I could attend? This is my 6th KX500 over the past 10 years.  "Hello, my name is Ben, and yes, I have an open bike problem..."

--Ben
2003 Yamaha YZ450
2001 Kawasaki KX500
1999 Kawasaki KX500

Folke:
I think you have to change seal-oil in the crank

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