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View Full Version : bore- 400ex to 440ex?


atvRiDa400ex
07-30-2006, 09:57 PM
how hard would this be and would a dealer or someone do it for me if i need to? and how much would this cost for parts?? thanks
07-31-2006, 02:57 PM
You could do it your self but you would have to send your cylinder out to get resleved and honed. you Would also need to get HD head studs,cam,p&p,hd cam chain, and big oil cooler to get most HP and reliability out of it. Do you reserch on 440's will be a big help. imo i think it would be around $400-$500