Maintenance & Technical > KX500 Original

jetting tips for a 2003 KX500

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sc rider:
Guys,

I'm new on the board and just picked up an "almost new" 2003 KX500 from a guy in Michigan that barely rode it.  It came with stock jetting, (168 main, 52 slow jet, clip in the middle position).

I had a 2000 KX500 that I loved, but then along came the 03, which was in better shape so I sold the old one.

I had the 2000 jetted with a 158 main, a 55 slow jet and the clip in the 2nd position from the top.  I generally ride at around 4000 feet, (Movjave, California city, Ridgcrest areas), to as high as 7-8000 feet, (Big Bear and Gorman), or occaisionally lower, at around 2500, (in Lucerne valley).  This jetting seemed to work for me on the 2000 KX, so I switched the 2003 bike to it, and am ready to try it out.

After reading some of the jetting tips on this message board, I'm beginning to question if I am actually in the ballpark with this setup.

Can someone let me know if I'm jetting this thing correctly, (it still has the stock pipe, reeds, etc).

Thanks,

Brian

alan:
Brian, you need to look through these 20 pages of posts on jetting! :-D :-D

http://www.kxriders.com/forums/index.php/topic,828.0.html

and these in the how to.....Section

http://www.kxriders.com/forums/index.php?cat=9

Alan :-D

sc rider:
Thanks Alan, I'm just getting started here so I really appreciate the advice.

Brian

MadKaw:
follow the advice above, and test for the different altitudes. sound like you ride in the same places as a few others guys here that have probably done some of that testing. maybe they'll chime in. and have fun with the quest!

MK

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