Yamaha - Lower Unit Assy - 6E0-45300-14-8DYamaha Lower Unit Assembly Drivetrain System 6E0 45300 14 8D Overview When a lower unit starts giving trouble, its usually not something you want to patch together piece by piece. Ive seen guys chase noise, slipping, or water intrusion, only to end up replacing the whole unit anyway. A complete assembly like this takes the guesswork out and gets you back on the water faster. Once its bolted up right, you get that smooth, quiet operation Yamaha lower