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I have a 1990 650 wildcat that is getting to much fuel in midrange,i have dropped the needle and it still 4-strokes and blue smokes.
I have checked the numbers on the needles and the needle jet and the piolt jet and it,s what cat says it should be.Idles great and runs like a bear wideopen just can,t trailride it any ideals, i think i need to change needle and needle jet can,t find anyone here to talk to about it thanks rp53red
 

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ive got a 89 wildcat 650 with 40mm carbs
mine had come through with 400 main jets and would never clear out,,no midrange it was eithor wide open or idle,, after reading the manual cat says to rejet after break in
i now have 380 jets and needles on 3rd notch it simply flies

i am at 1000 ft above sea level as well
 
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