help with jetting for fmf gold fatty

[Renato250r]

I have an 86 trx250r, Can somebody give me some info on the jetting to pass along to the guy working on my bike? it has an fmf silencer and fmf gold series fatty, stock engine and bore..its got a kehin carb, dont know if its stock..its pictured below..
tia
http://img.inkfrog.com/pix/ebargaincell/018.JPG

[Showcase]

a guy working on your quad should know somwhat what to do =\ but i got a mikuni so cant really help you sorry. go by the clymers. and set it by what that sais.

[86 Quad R]

that appears to be a stock carb with a boyesen fuel bowl on it.

after making sure that all is well with the carb i/e properly cleaned, float set and all. i'd start with a 45 pilot and a 160 main and the needle in the center position.