Your engine has tightened and you wish to start again on a quality engine not to have to dismantle it so soon ? Then here is the complete engine top proposed by ATHENA to reassemble your KAWASAKI KXF from 2004 to 2005 in 4 stroke 250cc / SUZUKI RMZ 250cc 4 stroke from 2004 to 2006. This kit is sold complete as on the picture with its axle, clips, ring, piston, gasket and its cylinder. This kit is not a big bore, it has the same characteristics as the original it is Ø77mm which gives us 250cc. This kit will allow you to refurbish your machine and especially to have a quality cylinder as reliable as the original. Attached is the power curve so that you can see for yourself the difference between the original and the kit ATHENA. It is of course of excellent quality as usual at ATHENA. The nikasil is really of excellent manufacture to guarantee you an increased reliability. We also have all the gaskets, rings and all the spare piston dimensions so that you can keep your cylinder as long as possible. Below you will find a list of vehicles compatible with this kit.