Maintenance & Technical > KX500 Steel Frame Conversion (SFC)
2003 KX 250 SF Conversion
sandblaster:
Sounds angry :-o
umberto:
I've been having issues getting the bike to idle. It starts and runs really crisply, and it will idle if you hold the throttle open just a little bit, but you can't just let it set with the throttle closed. I tried adjusting the idle screw, but it just didn't make any difference. I decided to take out the screw to see if it was damaged, and lo and behold it was just a bolt the previous owner put in to replace the obviously lost original. :x So off to Rocky Mountain ATVMC I go to order a replacement in time for some riding hopefully this weekend, and of course the darn thing is no longer available. The newer model carb starts in 1994, and they are still shipping that idle screw assembly. Does anyone know if that will work on my carb, or am I going to have to fab one myself? It looks like it's just a screw that is rounded off at the end, a lock nut, and a spring.
sandblaster:
What is your carb number?
I think the 88 is a KEIHIN PWK V396
umberto:
I believe that is correct. Unfortunately, I'm at work now and I can only sneak out so many times or I risk giving away my Mexican Drug Tunnel like escape path. :-D It looks exactly like the parts fiche model.
umberto:
I found an idle screw on eBay that I should be here today. I tried over the weekend to make my own, but the threads were a little boogered in the carb and I couldn't get it to go in deep enough to work. I pulled the carb on the bike, fixed the threads, and made a temporary replacement that seemed to work. I had to make several attempts, because the idle screw is a bit of an optical illusion. It looks like a short distance, but it actually took the longest 6 mm all thread bolt I could find in my bolt box. It just keeps going and going.
I was working on getting the idle fixed Friday and I got to experience the reason everyone says to wear boots while starting a K5. I got a little cocky and tried to start the bike in tennis shoes. My foot slipped off the kickstarter, and needless to say I will have a permanent reminder of why one wears boots while kickstarting one of these angry beasts. Kept my no stitches streak alive (barely), but man it looked gnarly. Today my lower leg has a nice variation of all of the bruise colors, but the gash is closing up nicely. Lesson learned. :-D
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