hi iv got a rmz 250 2005 brought it as a non runner as the top end needed doing. so i bought a 269cc barrel and piston kit i also had to buy all new valves. put it all together was running nice fist kick and away but before i got to ride it i went to start it and its shamed the the casing

now for the question

iv just been offered a 2006 kx250f bottom end will it work ie my head off the 2005 and all the all other parts thanks