Hello, So i currently have a 2009 Yz450f and a 2007 Wr450f. Im just getting ready to retire out of offroad racing and continue doing my thing with Rescue 3 by using only the Wr. What im looking to do is Taking the 2009 Yz450f top end and throwing it on the 2007 Wr. i have a brand new cylinder, head, valves and piston on the 09 Yz and i dont want to loose my ass selling the bike with all that on it. so my plan is to do the swap and part out what ever is left of the Yz and wr top end. Will everthing be compatible? Will it also give the Wr some more power?