KX Guru Racing

Eventually, I'll be going back to the stock carb when the supermoto gets the new engine running a 44mm Lectron
This engine and stock carb will be going into my 07AF woods weapon.

Sandblaster wrote: But then I put the fact that he is knowledgeable aside and went with my gut.

yup that's what I did...I started thinking about, and came to realize that there is sooooo much more "volume" in the tapered 41 that needs to be taken up with raw fuel...otherwise that "volume" is just air, which equals the lean condition.
I'm thinkin once the snow's gone, I'm gonna toss the 70pilot back in...I had it in once last year, but it was hot out, a humid 85 degrees, and it didn't like it.

Of course your also running a BIG BORE KX5??!!!!!
Although... typically the bigger the bore the smaller the jetting...

Sandblaster wrote: Although... typically the bigger the bore the smaller the jetting...

I would agree, if I were still running a 39...then yes, a little lighter on the jetting would come into play.

foxx4Beaver wrote:

Sandblaster wrote: Although... typically the bigger the bore the smaller the jetting...

I would agree, if I were still running a 39...then yes, a little lighter on the jetting would come into play.

Agreed!
What is your current cc?

Todd's 525 kit....which I believe is actually 523cc.

How do you like it compared to a stock engine?
I suspect there was some port work?

Getting ready for my next desert ride.... Building a new front wheel.

Ready to mount up

I guess we will see if it was worth the effort...