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C41Xracer
02-12-2004, 06:36 PM
I have a 39mm FCR from a yz 426 and was wondering if any one has done this and how you got around the vacume pet cock and what is your jetting and clip position on the needle.Thanks


Charlie

Shawn H
02-17-2004, 06:51 PM
You got to grind the little nub on the fuel position selector (take apart the valve) and plug the line to the rear of the petcock matter of fact go to Z400CENTRAL.COM and do a search they have everything on there on how to convert.

Shawn H
02-17-2004, 06:52 PM
You got to grind the little nub on the fuel position selector (take apart the valve) and plug the line to the rear of the petcock matter of fact go to Z400CENTRAL.COM and do a search they have everything on there on how to convert.
I have a fcr 40 and my clip is at the second from bottom and 48 pilot and 180 main. Hope this helps ya some.