Your engine has tightened and you want to start again on a quality engine so that you don't have to dismantle it so soon? Then here is the complete engine top proposed by ATHENA to reassemble your HUSQVARNA TC, TE, TXC and SMR in 4 stroke 250cc. 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 one so it is Ø76mm 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 assembly instructions to guide you during the reassembly of your top engine and thus to adjust the timing for example. The top engine ATHENA is of course of excellent quality as usual. The nikasil is really of excellent manufacture to guarantee you an increased reliability. We also have all the gaskets, rings as well as 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.