Maintenance & Technical > KX500 Original

Jetting and altitude change

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martinfan30:
I've seen the  jetting chart and have a question. For my elevation (4500 ft.), It says I need a 160 main. For when I go down to CA. and ride near the Husky Memorial (1500 ft-2000 ft) should I rejet when I get there?

Also, what jetting is stock?

Friar-Tuck:
clymer M447-2   pg.336

2000-On
PWK 39  168 Main  58 Pilot  #7 Slide cut-away  N82M Needle   Air screw 2 turns out   15-17mm float height

There was no clip position in the book, the '99 is the same needle it is 3rd clip position

 We ride from 3500-6000 ft.   I know every bike is different, our kx 500's have a pc pipe, I have rad valve his is stock reed.  Mike and I are happy with this, #7 slide, 2nd needle clip (n82m) a 158 Main #55 pilot and 11\2 (or so) air screw.   
  Mike puts a larger main (170) in when he goes to Oregon dunes , and lowers clip, how far depends on weather.
  I run Blue Marble 50:1  ngk heat range 7   Mike runs Maxima 927 40:1   ngk heat range 8  (he rides alot harder than I do)
  Tuck\o/

Bigtim:
i've had trouble opening the jetting chart link. any body running at around 10,000 ft?

BullKaw:
Birds don't even like it that high let alone a Kaw.  :-P

Bigtim:
i've only been here 3 days and am winded by just a flight of stairs. im in good shappe at sea level. here its a whole different story.

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