Anyone Used a JD kit on 06 YZ450F?


6 replies to this topic
  • mxmob33

Posted February 03, 2006 - 08:57 AM

#1

I didn't get much response in the jetting forum. I ordered the JD Jet kit, but I'm a little leary of using it since the current 48/170 combo seems to work pretty good. Any first hand reports on this bike?

  • WR450F_RDR

Posted February 03, 2006 - 12:01 PM

#2

I plan to try it this weekend, let you know how it goes.

  • Ga426owner

Posted February 03, 2006 - 12:09 PM

#3

Are you using the JD4006 kit for the 06? I am curious of the difference between this and the other 03-05 kit.

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  • bajabunk

Posted February 03, 2006 - 02:04 PM

#4

I put it on mine and changed to a 45 pilot jet. Seems to run better. Popping on deceleration is gone.

  • DKLEIN

Posted February 03, 2006 - 10:17 PM

#5

The J/D kit I got for my 06 did not help. Now he said he is coming out with new kit for 06 yz450 in a few weeks. Just installed 48 pilot jet and will ride Saturday

  • mxmob33

Posted February 04, 2006 - 08:02 AM

#6

Supposedly I am getting the 'new kit' for the 06. I think the only difference is that they include the 48 pilot, but I'm not totally sure. I know several guys with CRF450's that swear the kit makes a big difference on even a well jetted bike, but haven't heard those same types of reviews for the new YZ's yet.

  • Ga426owner

Posted February 04, 2006 - 08:12 AM

#7

The J/D kit I got for my 06 did not help. Now he said he is coming out with new kit for 06 yz450 in a few weeks. Just installed 48 pilot jet and will ride Saturday


That is my understanding to. I wonder if the needle taper is changed?





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