Maintenance & Technical > KX500 Original
01-500, eng surges/pulses after run.
jdv500:
hey there,
after looking around within this great site i've learned alot.!! what to worry about and what not to worry about concerning my surging and run-on...
during the past week or so, i've went out and bought a new pipe, higher octane gas, diff main jets and pilot jets, and a new air filter. ** i have installed them all and will ride today. it's been really cold and wet and windy here in north alabama. but it looks as if today can and will be test day as it's cleared up greatly. , i'll write back afterwhile, joseph
kawdude:
My 94 has done the same thing since day one. The best combination is having the jetting correct. If you can dial in the slow jet you should be able to remove "most" of the surges further by adjusting the air screw.
machine:
My 04' KX5 dose the same too.
Must just be a KX5 thing!!!!
demographic:
Yep, my 90 does it also :)
Which can be a bit disconcerting for mates having a bash on it :wink:
Especially considering that mines set up for the road and in Supermoto trim.
Kind of revs up with a BRANG then off the juice with a TANG, Tang, before the revs come down.
A mate got off it and sait that he had much more respect for me as a rider getting it to go so fast and still between the hedges as it can lift a bit on WOT :D
orderofsion:
I'm a bit late replying but for what its worth my kx used to surge then I bought another carb off ebay (it was cheap) , since then the surging has stopped completely . the old carb was a pwk39 and the new one is a pj39 otherwise they have the same jetting .
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