Maintenance & Technical > KX500 Original

Need some advice on a running issue with my 1991 KX500 please..

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umberto:
This is Sandblaster's electronics trouble shooting guide that I used when mine wouldn't start.  It's really helpful if you are a little rusty (or confused) on electronics.  I actually printed it out and put in a coil bind with my KX manual I found online.

http://www.oem-cycle.com/forum/viewtopic.php?f=40&t=163

Lon:
Well didn't get far,still gotta take the bowl off and check the jets ..Did check the reeds and the bottom half had a pretty good gap so flipped both top and bottom reeds,no gap but still getting a new set..Pulled the plug and its for sure running rich as hell and I think its from the reeds..I could almost slide a dime in the reeds,thats how big the gap was..Still plan on checking the jets and will post numbers tomorrow..

Lon:
Ok,got the carb apart ..Bike is stock other than pipe,FmF Gold Series ..

Slow jet --> 60
Main jet --> 168

I also pulled the bowl off the carb that came with my parts bike and these are the jets it has..

Slow jet --> 48
Main jet --> 158

Foxx4Beaver:
what's your elevation?...ballpark guess.

keep the 168 main jet in there for now....
but get a 55 pilot/slow jet...
what position is the clip in, on the needle?....and try to read the digits stamped on the needle.

Lon:

--- Quote from: Foxx4Beaver on October 08, 2015, 07:19:08 AM ---what's your elevation?...ballpark guess.

keep the 168 main jet in there for now....
but get a 55 pilot/slow jet...
what position is the clip in, on the needle?....and try to read the digits stamped on the needle.

--- End quote ---
Looked up sea level and were around 575 above..
I'll get the 55 jet but could I use the 48 jet from the other carb for now?
C-Clip is in the very top/first slot of the needle and numbers on it are N82M..I also checked the needle from the parts bike carb and it has N85C on it..

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