i have aboat that had been siting in the rain an sun for 2 years. and now aside form alot of things, the motor is real hard to lift up an then to push down. does that piston have to be replace or does it need oiling or greasing? if anyone can tell me what i can do to make it easier to lift an lower, let me know, i feel llike im gona mess up my back every time i lift the darn thing, thanks