Jetting 400ex

[Fatal]

hi every body i just want to know witch jet i need if i hav a full pipe a hotcam stg 2 and the second oversize of nowmal cylinder now i hav a 180 in and its not enough thanx you for helping me !

[2004exrider]

180 sounds like its on the huge side. A 406 with full pipe and cam shouldnt need that big of a jet, id say maybe 170-175 keihin jet, heck maybe even lower:confused: .

Jimmy