Yamaha Lower Unit Assembly - 6L6-45300-24-8DYamaha Lower Unit Assembly Outboard Drivetrain 6L6 45300 24 8D Overview When a lower unit starts getting tired, youll notice it every time you shift or get on plane. Things feel rough, maybe a little noisy, and it just doesnt run like it used to. This Yamaha assembly is what you put on to bring everything back to smooth, dependable operation. It fits right, runs clean, and gives you that solid feel you want when youre out on the water. Key Features