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29 Posts
Discussion Starter · #1 ·
I just got my Mikuni TM40 From for my DR650 but there is a problem.
The carb came prejetted for airbox, after market air filter, and exhaust. I have those
mods plus one more.

So it isn't jetted properly because i have a JE High Compression piston 10.1:5

I want to rejet before i install it. The current specs are:
  1. Main Jet=150
  2. Pilot Jet=22.5
  3. needle Clip=3rd position (from top)

What specs need to be changed ?

Please help and thanks junkies
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