Yamaha Lower Unit Assembly - 67C-45300-12-8D Mercury-450HP-4-6L-V8-Racing-2020 but it’s essential

but it’s essential

it can reduce cooling efficiency

this assembly delivers excellent durability and corrosion resistance

• Standard Dash Fit – Drops into common panel openings without hassle

& Rupp™ outrigger poles

Yamaha Lower Unit Assembly - 67C-45300-12-8D Mercury-450HP-4-6L-V8-Racing-2020 but it’s essentialThis product has been superseded by: 67C 45300 14 8D Yamaha Lower Unit Assembly Complete Drive System 67C 45300 12 8D Overview The lower unit assembly is a critical component of your Yamaha outboard, designed to transfer engine power to the propeller while supporting smooth gear engagement and reliable propulsion. It houses essential drivetrain components such as gears, shafts, and bearings, ensuring efficient operation and precise control on the