View Full Version : 300ex with 450r carb??
NV300ex
07-20-2008, 12:53 PM
ok seen you can use a 400ex carb on a 300ex bike.. also seen you can use a 450r carb on a 400ex.. but i hadn't see you can use a 450r carb on a 300ex.. can it be done or is it to big for a 300ex? would like to know.
honda300EXtreme
07-22-2008, 06:32 PM
a 450r carb would be overkill on stock - mild 300ex, it would kill bottom end.
now a large bore big valve 300ex that is built. i believe gains could be achieved
i believe 2muchquad has a 39mm fcr on his.
a 400ex carb on a 300ex is more then suffiecient for a noticeable gain
of course i am talking newer 450's with the 39mm fcr not the pre 06 with the 41mm
ZSNOW
07-24-2008, 12:58 PM
35mm fcr is about all you want on anything under 300cc's....
NV300ex
07-24-2008, 04:07 PM
kewl.. sounds like a 400ex carb is what i really need... just wondering on the 450r.. thanks.. i'll go with 400ex carb
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