650/X-2 x2 SBN 38 jetting

[grantxurismo]

Hey all
just picked up a new x2 and I'm trying to dial it in
It has mariner head, mikuni sbn38 carb, coffman exhasut, aftermarket reeds, and ~155psi on cylinders.
Went to the lake (500ft elev, 80*F) and would barely moved, back high and low speed out all the way to 3 turns on both, was going ok, but was definitely lean and getting hot and not performing perfectly.
Pulled the jets and main jet was 125 and pilot was 120, definitely knew it wasn't right

I was going try these other jetting systems next
stock on a 38mm (keihn though) for 95 x2 say 150 main and 82 low
I found a stock jetting chart for some seadoos with stock sbn38
587cc GTS has 147.5 main, 65 pilot, 1 1/4 turns on low-speed screw, 0 turns on high-speed screw
657cc XP has 125 main, 60 pilot, 1/4 turns on low-speed, and 3/8 turns on high-speed screw

I doubt the local store has a 147.5, so I was thinking to try a 150main,
pilot not too sure though, had a 120 in it????, was leaning toward splitting the difference on the stock ones i found and going with 70, or try closer to the stock for keihn OEM and going 80


Any input will help at this point
Thanks

 

[j2the-e]

I have no experience with the 38mm carb. But, 120 pilot, 150 main. popoff around 20 works well on the 44 and 46. I think this may get you started on the 38 as well.