Name that jet.


10 replies to this topic
  • beasly

Posted December 28, 2006 - 01:12 PM

#1

Hi folks. Can anyone tell me what the unnamed jet in the lower right hand corner is? This set was supplied with my new 07.

Posted Image

I need to do some more reading on what people are finding works in the 07s. But for my area (~300ft, say avg. 70F) this combo looks to be too far on the rich to start dialing in with.

Thanks for any comments,
Rob

  • rich1167

Posted December 28, 2006 - 01:16 PM

#2

Starter jet?

  • clark4131

Posted December 28, 2006 - 01:19 PM

#3

It's the Pilot Air Jet. It goes in the little hole on the airbox side of the carb bell...SC

  • rich1167

Posted December 28, 2006 - 01:22 PM

#4

I should have put a ? behind my response. I thought 110 was a bit large for the starter. Way too many jets in these carbs.

  • clark4131

Posted December 28, 2006 - 01:35 PM

#5

Way too many jets in these carbs.


Edelbrock...hmmm...SC

Visit the ThumperTalk Store for the lowest prices on motorcycle / ATV parts and accessories - Guaranteed
  • Derwud

Posted December 28, 2006 - 01:47 PM

#6

Main Air Jet : 110 5UM-1484F-29

The WR does not have that jet. It's for the YZ.

The rest is what I installed in my '07 and it seems to work real nice so far..

  • beasly

Posted December 28, 2006 - 01:48 PM

#7

It's the Pilot Air Jet. It goes in the little hole on the airbox side of the carb bell...SC


Thanks SC! :lol: There are at least two drawings of the PAJ in the service manual. The smaller, less detailed of the two looks a match. Another, larger picture seems different.

I have all winter ahead of me to do more research and the mods. Probably wishfull thinking that the first carb change will be the last. The book recommends removal of tank, seat, side covers, muffler, drain coolant and remove tank, a bunch of hoses, and rear shock. Oh well I need a heavier rear spring anyway. And I'll feel better knowing everything is greased up properly.

Rob

  • beasly

Posted December 28, 2006 - 02:18 PM

#8

Main Air Jet : 110 5UM-1484F-29

The WR does not have that jet. It's for the YZ.

The rest is what I installed in my '07 and it seems to work real nice so far..


You may be right. I don't see a main air jet in service manual.

Man you guys post fast!

Rob

  • mtrablue

Posted December 28, 2006 - 05:17 PM

#9

i'm suprised the '07 wr didn't have it, my '03 wr does.

  • msgbean

Posted December 28, 2006 - 08:46 PM

#10

Main Air Jet : 110 5UM-1484F-29

The WR does not have that jet. It's for the YZ.

The rest is what I installed in my '07 and it seems to work real nice so far..


The 07 WR does have a Pilot Air Jet. It is a #70.

  • Derwud

Posted December 29, 2006 - 05:42 AM

#11

The 07 WR does have a Pilot Air Jet. It is a #70.


You are correct, it has a pilot air jet, but does not have a Main air jet.




 
x

Join Our Community!

Even if you don't want to post, registered members get access to tools that make finding & following the good stuff easier.

If you enjoyed reading about "" here in the ThumperTalk archive, you'll LOVE our community. Come join ThumperTalk today!

The views and opinions expressed on this page are strictly those of the author, and have not been reviewed or approved by ThumperTalk.