Jetting?

[Bigd0g]

Hey guys i have an 06 yfz 450 i got the new R&D bowl and pump cover. Dose any one know what kind of jetting you should have? Or that you like??? I have pipe k&N and the RD. My bike runs good but i want it to run perfict =) Thx

[250r4life]

im unfamiliar with the R&D... is it like the boyesen accelerator pump?

[Bigd0g]

Y es it is almost the same thing!