I just inhereted this boat.My grandma says the clutch went bad in it.I dont think there is a clutch.Is this a common motor to eat up lower units.Should I fix this motor is it worth it?What should I do to verify there is a problem with the lower unit?Unfourtunatly the only person who knows what went wrong with it is my grandpa and he is no longer with us.Where shoud I start for ordering parts? Thanks Brian