trx250r jetting questions

[motodruemr58]

87 trx250r coolhead fmf fatty 38mm carb what main jet should I use?

[Hondatrx250r]

my 250r has an ESR trx5 pipe which is mid to top end power, knn air filter and reeds and i run a 165 main jet, i belive the needle is a DGK and my pilot i dont know but im at sea level to 200 feet. so i would try a 170 and work your way down, is what i would say.

[trx]

I run a 162 with a pipe ,reeds,and k&n filter