Have a vibration between 3500 & 4500 rpm in water under load. Changed prop no help, can anyone tell me what a bent main shaft would act like. Had lower unit completely torn down except for internal brgs and races. Did notice main drive shaft splines had slight twist, some one previously must have hit something pretty good. Runs smooth out of water but under load vibrates and noisy. Kind of sounds like maybe lower unit time. Anyone know of reasonable recondition places to check into.
Thanks ahead for any advise.
Fred Briggs
Thanks ahead for any advise.
Fred Briggs