400EX jetting ideas
#1
Hi,I have a 2000 400EX.It has the following mods,K&N filter/Outerwear(with lid),FMF MegaMax2 silencer.Now my question is that I'm getting my head ported,10.5:1 piston(stock bore),and an all around cam.I would just like a "guesstimate"of what size main jet I should go with,so I don't buy too many more than I need.Thanks.
#3
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