06 pred 90 jet
 

put a new K&N air filter on for the sand but now it seems I have to change my jet as well. does anyone know of a place or even a make and model for it since the dearlership near me is of no help at all.
I plan on putting on a pipe on it as well but for now just the air filter so it can work properly in the sand..

06 pred 90 jet
 

A guess at the jet size would be 110 but could range from 105 - 125. The type of jet is a Mikuni but I don't know what the series is. It is not a common jet series. Finding them at a local dealer may be tough. I have them at work. Call Hetrick's.