Jets Bender pipes

[skorped-t5]

I bought second-hand bender pipes, what type of jets and carburetor settings should I have for them. The snowmobil is a SX 700 1997

 

[Turk]

Altitude?

 

[skorped-t5]

400meter

 

[Turk]

150 main jets
52.5 pilots
fuel screws out 1 3/4 turns
needle clip at
pto #3
centre #4
mag #3

 

[skorped-t5]

Are the fuel screws under the carburators

needle clip at pto #3 centre #4 mag #3 from the top or bottom?

I am not it best on English but hope you understand

 

[Sxr700Bandit]

Fuel screws are under the carbs.