Hello guys I need some info on a Mariner outboard. It's a 1982 25 hp that set up with water in the lower unit. I've got to have all new bearings a drive shaft, seal kit and water pump. These are not cheep. I wont to check the price on a used lower unit. I understand the power haed is yamaha, and some parts are merc. What lower units will innerchange.Also a good place to find one, or at least the drive shaft. thanks