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View Full Version : 400ex to yz426 hybrid



kicker696
01-19-2006, 06:56 PM
what all needs to be done to the 400ex frame to put the yz426 motor in it? is it just changing the motor mounts, ans far as mounting the engine goes?

alaskin 450R
01-19-2006, 07:08 PM
change the mounts and fabricate some mounts for the raditor that wont be an easy task.

ss440ex
01-19-2006, 10:43 PM
Upper and lower eng mounts
fwd eng mounts bolt on
rear eng spacer and bushing
radiator mounts
exhaust section
Air filtering system
oil tank
some cutting and welding
some work,but what a ride!!!:D

kicker696
01-21-2006, 09:42 AM
thats nothin major, awesome!

ss440ex
01-21-2006, 11:49 AM
E-Mailed you some pics.