750 X2 carb help

[superx2]

getting ready to put my X2 together big pin cases small pin cylinders 1mm over bore i got sxr carbs and reeds and blaster fpp limited chamber was wondering if anybody can help me on were to start at on jetting oh and i think im about a 1000 feet above sea level not real sure on that though and if a 1000 feet matters that much thanks

[crab]

Mine are 75low, 145 high, stock n/s and 38psi with crossover filled, single screens, no chokes.

[superx2]

will the crossover being filled make much diffrence on jetting

[crab]

Suppose to make it more tuneable and clarify the carb signal at high rpm.

[superx2]

i will try them settings win i get this thing put together i dont want this thing to run lean
though i would rather be a little rich but i dont know a thing about jetting this is my first ski exept for about 7 rides on a 550 and that wasnt going to get it lol