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View Full Version : jetting a 450r fcr40mm



sneaky11
01-19-2011, 08:03 AM
need a little help to a start about jetting the fcr for a 400ex almost stock by now... just to start

The carb as stock jets

main : 120
pilot: 42
etc...

Do you think i'll better go down with the main and the pilot?

thx