stock jetting of 99 yz400 ?


1 reply to this topic
  • Lyzic

Posted June 25, 2008 - 04:04 PM

#1

Howdy

I recently sold my yz 125....which means I don't read the yamaha forums much as I only have suzuki's now, a drz 400 sm I use to commute and a LTZ400 for the backwoods.

Anyways, with that aside, I just bought a YZ400 carb to retrofit onto the DRZ.

The problem is I don't know what the stock jets and needles are to use as a base to making sure it'll run correctly. I searched but couldn't come up with the correct needles, just listings simply as "stock"

if anyone knows this off-hand that'd be amazing, or could point me in the right direction.

Thanks!

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  • grayracer513

Posted June 25, 2008 - 05:03 PM

#2

Stock jetting:

Main: 175
Pilot: 45
Needle: OBDVR, clip in notch #4





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