2016 jetting with JD jet kit
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Thread: 2016 jetting with JD jet kit

  1. #1
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    2016 jetting with JD jet kit

    Name:  20161027_140813.jpg
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Size:  1.68 MBi ive got a 2016 crf250x and ive put the JD jet kit in , but getting slight bog and half to full revs ,I'm in the uk , ive open the airbox abit and got a yosh end can , ive put 165 main in with red needle , on 4th clip for top , starts well bottom end fells good but up the road got abit of bogging on full throttle , should I drop the needle to the 5th one down or change main jet, any help or post you jetting on here thanks
    Last edited by toppo72; 05-16-2017 at 08:23 AM.

  2. #2
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    That sounds like a main jet issue to me, toppo. The main covers from about 3/4 throttle to WFO, while the needle covers about 1/4 throttle to 3/4 throttle. I'd start by dropping the main jet one size and leaving the needle where it is for now.

  3. #3
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    thanks but when bike fully warm it seems to get better now so ill leave it a bit

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