Maintenance & Technical > KX500 Original

Hi I need help with my 1986 kawasaki kx500.

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dcollins4328:
Hey, don't give up on your bike yet..  I bought a 93' for 500 bucks.  I have EXACTLY the same problems with the choke, with the bike running fine with the choke out, but it would die as soon as I pushed it in.  I had some cracks in the reed valve boot, between the carb and intake.  I bought a boyesen rad valve and replaced it. I completely dissasembled the carb, and cleaned everything.  it didn't work.  I believe that some of the passages in the carb body were partially rusted shut or something.  So, I bought a new carb, and reassembled everything.  It runs amazing now, except that it vibrates like crazy.  The rings on your piston have nothing to do with your choke not working, but it wouldn't hurt to tear everything down to check it out. 

demographic:
While on the subject of re-building very old and hardly used twostrokes I have to mention dried up old crank seals.

Better to replace em.

chrisorbics:
hughes
--- Quote ---No trade just your cash back    What state do you live in??
--- End quote ---

I live in new jersey. I would never sell this bike for what I paid for it. If you saw this bike in person you would understand. This bike has never been betten on. Just by looking at it you can see it has barely been used.

SupermotoFan sounds like you have a lot of work to do. If you even need to know how something should look or be put together just message me because most of the bolts have never over been off of my bike. Good luck

dcollins4328 You are probably right. Where did you get a new carb and rad valve from? How much did everything cost you? I wonder if they make a rad valve for my year. I just but the reed box and carb back together and used high temp permatex between the reed block and the rubber intake and the reed block and the engine. It fired up as soon as I remembered to put the spark plug wire on the plug. Then it started up on the first kick. By the way nice deal. Do you have any pictures posted?

This is my new problem. When I start the bike up on full choke the choke goes down by itself or if I rev it up. Why does it do that? The bike dies every time. Is it supposed to do that? I wasn't able to keep it running because of the choke and it is so dam loud. I will fire it up on thursday.

dcollins4328:
You can get a rad valve for it on denniskirk.com or rockymountainatv.com. It's about $170. I got the carb on ebay for $40.  I don't know if they make them for that year or not?  It sounds like you might need to replace your choke.  All in all I have spent about $1000 on mine getting it into great shape again.

SupermotoFan:
Chris,

Thanks for the offer on the photos of your stock bike--I'm getting more familiar with what's right (and what's not) on my bike, but I may take you up on that sometime.

Now, with the choke:  Did you say that the choke physically moves and shuts itself off while you're trying to warm the bike?  Or is it that the bike stalls while still on the choke?

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