2004 WR450F JD Jet Kit


3 replies to this topic
  • screamingjimmy

Posted September 15, 2007 - 02:29 PM

#1

Hey guys, I am getting my dirt-bike jetted by a friend for the first time. I am a newbie when it comes to carbs so please bare with me. I am just wondering if this is the correct kit when it comes to jetting?
http://www.jdjetting...23&cat=1&page=1

And more importantly, does this kit have everything i'll need?

Thank You
Justin

  • clark4131

Posted September 15, 2007 - 02:39 PM

#2

That's the one, though I'll bet you can get it cheaper through the TT Store. You may need a new pilot jet, leak jet and perhaps a starter jet that are not included. You can get those from your local bike shop. Check out the jetting database in the Performance Index...SC

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  • screamingjimmy

Posted September 15, 2007 - 06:02 PM

#3

thanks bro, the reason i am finally getting my bike jetted is because when i go to full-throttle, my bike wants to quit. It is not rpm related, i don't believe it is spark related, it is definately fuel related. When i am at 3/4 throttle, it runs like a champ, but not at full throttle.

my buddy believes it is a clogged main jet, or something to that effect!

  • Poway1464

Posted September 17, 2007 - 10:40 AM

#4

Definitely check the LEAK JET, I had one hell of a time getting rid of the infamous 'off idle bog'. I was focused on the main, pilot and needles and everything else. Turns out it had a #70 Leak Jet installed, I followed the recommended #40 Leak jet and the problem finally appears to be solved. I won't know for sure until I get it out on the trails but it looks promising.




 
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