Jetting sizes?

[00Banshee]

I have a 148 main now. I was told by White Brothers to go up 2 sizes. They said that would be a 152. The Dealer tells me the mains go up in increments of 5, and said to go up to a 155 or 160.
My question is do the mains go up in 5 ie: 150,155,160 or do the go up in 2 ie: 148,150,152?

Thanks for the help.

BTW, this is for a 00' 400ex with the stock carb.

[eldoexrider01]

it really depends on if u are gonna use stock carb brand jets or if you are gonna use dyno jets. and remember dynojets measure theyre jets different than anyone else.

[00Banshee]

I was gonna use stock carb brand jets.

And dont forget the K&N jets with spacer.