1996 rm250 Jets Sizes

[anthony96rm250]

Anyone have a 96 or 97 rm250 and when they got noticed that it was jetted too rich "if so " what jets or fuel ratio did you used or use to solve fouling plugs , currently i have
all stock "and my 96rm250 feels like it has no powerband"
MJ 172
Slow Jet 58
needle "stock" clip position #2 from top
fuel ratio 36:1 on Maxima Super M
"stock everything else motor wise "fmf silencer"
br8es and br8eg plugs ngk

i heard this bike stock was jetted rich

"previous owner said 42:1 on golden spectro 2 cycle premix
"havent tried that yet "

 

[berno11]

according to pro-circuit it was jetted a little lean on the main
the 97 was the other way around. I would replace the main and needle with brand new parts using the same clip position.
I bet they are just worn out.


MODEL MAIN PILOT NEEDLE POS SCREW
RM250 172 58 1467 3RD 1 1/2
PC 175-178 55 - 2ND 1 1/4