View Full Version : Do I need to rejet ?
fmf400ex
03-18-2003, 09:53 AM
I may be taking off my fmf megamaxII and putting on a white brothers e-series slip-on. Its jetted for the fmf, so could I leave the jetting the same?
dj416
03-18-2003, 10:05 AM
i would try it and see, it might be ok, the only way to be sure is just check the plug
Steve-o 400EX
03-18-2003, 11:47 AM
I agree, throw the pipe on and do the plug check, the jetting should be close but you may need to rejet if ur plug reads bad.
fmf400ex
03-18-2003, 12:15 PM
ok thanks guys. so should I trade pipes? get the e-series?
sweet300ex
03-18-2003, 12:40 PM
yes,trade!!!!!
AtvMxRider
03-18-2003, 12:41 PM
What are you jetted at now?
fmf400ex
03-18-2003, 02:44 PM
Well see I am not sure, when I got the quad it was already jetted for the fmf pipe. So I am not sure of what jet is in it.
speedy400
03-18-2003, 03:32 PM
I'm fine w/ my mega max2, i just had to make a few adjustmants, i just got some stainless at the local shop, made a new end cap just drilled holes in it and (or) I made 1cm spacers for the baphles. trust me its not that hard, for got sake, I'm 15 and did it no problem, it helped a good amount and sounds real nice, pm me for anything else or pics
fmf400ex
03-19-2003, 12:36 AM
Well I already took a white brothers end cap and put it on it. But last time I tested a whitebrothers on my quad it really woke the motor up, and I could tell a power difference changing from the megamax to the e-series.
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