Yamaha Lower Unit Assembly - 66M-45300-02-8D Mercury-250HP-4-6L-V8-2022 Easy installation with common tools

Easy installation with common tools and factory-fit mounting points

For MerCruiser MR and Alpha One sterndrives built from 1984–1991

Installing the Suzuki – Voltmeter white – 99105-80106 ensures you always know the health of your system—especially critical when navigating remote waters or operating accessories that draw heavy power

responds faster

Yamaha Lower Unit Assembly - 66M-45300-02-8D Mercury-250HP-4-6L-V8-2022 Easy installation with common toolsYamaha Lower Unit Assembly Complete Drive System 66M 45300 02 8D Overview The lower unit assembly is a critical component of your Yamaha outboard, designed to transfer engine power to the propeller while ensuring smooth gear engagement and reliable propulsion. Precision engineered with high quality materials, this assembly delivers efficient power transfer and consistent performance. Built to OEM specifications, it offers a precise fit and dependable