Every component on your outboard has a job to do, and even the smallest fasteners play a crucial role in keeping everything secure. The Yamaha Screw with Washer (90159-05059-00) is designed for a firm, vibration-resistant hold, ensuring critical parts stay locked in place no matter the conditions. Whether securing engine components, mounting brackets, or other structural elements, a reliable fastener prevents unnecessary movement and long-term wear.

Built for Strength & Stability:

• OEM-Specific Fit – Crafted to Yamaha’s precise specifications for a perfect, hassle-free installation.
• Integrated Washer Design – Distributes pressure evenly to prevent overtightening or damage to surrounding parts.
• Corrosion-Resistant Build – Withstands saltwater, temperature extremes, and constant engine vibrations.

A loose or worn screw might seem minor, but over time, it can lead to misalignment, component stress, and even performance issues. Whether you’re swapping out old hardware or replacing a missing fastener, the Yamaha Screw with Washer (90159-05059-00) keeps your outboard’s structure solid and secure—because when you're on the water, every detail matters.

• Supersessions
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