yz450f 2006 crankshaft ?

Need some help does anybody know the difference between the yz450f 2003-2005 crank and the 2006-2009 ? i have a 2006 yz450 and a friend of mine has a billet 68mm falicon crank from a yz450 2003-2005 with all parts to make it work spacers, studs,ect. He wants to help me build a big motor on my 06 does anyone know the difference between them or if they will work.

Thanks Jerry

The crank isn't interchangeable as there are differences in both axle/flywheels and the connecting rod. Even if it did fit, the spacer plate wouldn't match the '06 cylinder base.


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