jetting question

[hondaboy400ex55]

ok i got a 04 400ex with a whitebros E series pipe and a white bros air filter

i wanna jet out the carb but im not sure if i need to and i just wanted to ask somebody who knows what there really talkin bout ohh and its still got the stock jetting in it.

[tprender]

Put a 40 pilot and a 155 main in the carb and it will run great.