rejetting

[dc586]

400ex 406 10.86 comp stage 1 cam fmf header hmf silencer and kan filter with no air box lid what main jet pilot and needle setting do you guys rec for all around riding

[04EXdude]

I would start with a #160 main and needle clip in 4th slot. If you experience low end bogg, turn the air/fuel in a little..........maybe 2 1/4 to 2 1/2 turns out from seated.