Maintenance & Technical > KX500 Original

Jetting!!! Again and again and again!

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mikesmith:
It makes me wonder  that you both have his 520 engine and both seem to be having a lot of problems getting it to run clean, and his answer doesnt sound like much help for all the hair pulling your going through.How was it before the engine work,meaning did you have all these jetting issues ect. before?

kawdude:
My bike was shot before the restoration.  I've never had the "priviledge" of working on such a wore out hunk of machinery before this.  It definately runs much better since the redoing the topend and crank but need to dial in the jetting.

gowen:
Well, stator is in, bike is together. I am ready to give it a run. I did fire it up and it started second kick (serious ass kick) Usally not the norm. Usally lay it down. But I do have a new IX plug in it. So, I'm thinking that is it. Anyway, fired it up, it puffs like 10 times then died. Maybe hope! I then restarted it, gave it some rev and it sounded VERY unclean. Just mushy down low and lotsa smoke. d**n! I'm hoping that is cause of the choke, but I know that is NOT the case. Again, d**n! I'm out of qestions or ideas.

gowen:
Did I forget to mention d**n!

kawdude:
First test the coil to make sure its good.  Sounds like this could be a jetting issue. :shock:  

Have you tried rejetting...:wink:

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