its not all that difficult disconnect the shift rod where it connects they vary,pull all the lower bolts out of the gearcase,some hide behind underneath the steering tab and plunk it off put the very bottom of your skeg in a vice with wood pieces ,easy cheap work stand,undo the 4 screws holding the impeller housing on lift off slowly,there on a keyway on top a SS plate,slide it up the driveshaft,slide new one down, reverse procedure for assembly,some models lineing up the water pipe is the hardest job,try it if ya cant wait ,unless ya run in a lot of shallow water and dirt area I cannot see those impellers being worn yet,they last a long time if there pumping full streams of water GO fishing