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StupidHurts
06-16-2007, 09:36 AM
Hey
Does anybody know how hard it is to put a 400ex engine in a 300ex frame???Or a 350x engine in a 300ex frame??
If anybody knows how to do it send me an idea of how much work it is..

Thanks

stocktires
06-18-2007, 08:46 PM
350X in a 300EX is a classic sick hybrid.
I've been told its fairly easy.
Check out www.powroll.com

YZ400EX
06-19-2007, 09:28 PM
350X engine is cake.. no mods to the frame at all.. direct bolt in.. 1 engine mount (on the motor itself) must be modded, but its easy also. I have a 350X engine with exhaust and all mounts already modded for this conversion if interested.. the engine has a big bore kit also.. let me know.

StupidHurts
06-20-2007, 07:50 AM
Thats what i wanted to hear..
How much you want for it??
Let me know ASAP!!
Can i get a pic of your 300ex too??
I love extended 300s...
Thanks

SWIGIN
06-20-2007, 09:13 AM
whatch that rear mount if the motor is cut...mine tore off

here is a better way to do it

http://www.3wheelerworldforums.com/showthread.php?p=506046#post506046

YZ400EX
06-20-2007, 09:32 AM
Originally posted by StupidHurts
Thats what i wanted to hear..
How much you want for it??
Let me know ASAP!!
Can i get a pic of your 300ex too??
I love extended 300s...
Thanks

Your PM'd.