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View Full Version : 400ex engine...would it fit?



rafalnos
02-05-2004, 10:27 AM
i know this is a stupid question but would a 400ex engine fit into a 300ex frame? i was asked this question and i didnt know the answer so now im asking you guys....

416mx
02-05-2004, 10:51 AM
Yes it will, but it is kind of senceless, I seen a guy that had one in Ill. at paradise motopark.:devil:

rafalnos
02-05-2004, 10:59 AM
thanks for the reply....would it be hard to do? or would it just bolt right up?

44oEX
02-05-2004, 12:18 PM
you have to make your own motor mounts and a custom head pipe to clear the frame. The ari intake also has to be modifyed

Cody_300ex
02-05-2004, 12:40 PM
I thought a 400ex engine was to tall to fit in a 300 frame?:confused: I would rather just put a 350x enigine in there. Faster and easier to install.

wilkin250r
02-05-2004, 02:42 PM
Originally posted by Lil_300Ex_Kid
I thought a 400ex engine was to tall to fit in a 300 frame?:confused: I would rather just put a 350x enigine in there. Faster and easier to install.

Well, I don't know about the "faster" part, but I beleive it IS easier to install. Plus, it has 6 gears.

JDiablo
02-05-2004, 07:47 PM
Originally posted by wilkin250r
Well, I don't know about the "faster" part, but I beleive it IS easier to install. Plus, it has 6 gears.


yes it is faster(from what i have heard):)