Yamaha 90387-10M04-00 – Collar

Yamaha 90387-10M04-00 – Collar

The Yamaha 90387-10M04-00 – Collar is a genuine Yamaha OEM component engineered to provide precise spacing and structural alignment in your outboard engine. This collar acts as a critical interface that reduces stress between parts, ensuring your engine continues to operate smoothly and reliably in demanding marine conditions.

Key Features

Exact OEM Replacement – Built to Yamaha’s strict manufacturing standards for seamless integration and dependable function

Engineered for Load Distribution – Minimizes friction, vibration, and wear by maintaining proper part alignment

Durable Construction – Resistant to corrosion, heat, and stress, even in saltwater environments

Precision-Fit Spacer – Ensures consistent mechanical spacing in rotating assemblies or structural supports

Ideal Use Cases

This collar is typically installed in areas where tight clearances must be maintained to support shaft alignment or rotating movement. It's a reliable choice for rebuilds, repairs, or preventative maintenance when precision spacing is essential for engine longevity and performance.

Why It Matters

Though small, the Yamaha 90387-10M04-00 – Collar plays a big role in protecting engine components from premature wear. Using the correct OEM collar ensures your parts remain properly aligned, which reduces mechanical strain and extends the service life of your outboard motor.

Frequently Asked Questions

What does the Yamaha 90387-10M04-00 – Collar do in an engine?

It acts as a spacer that maintains exact distances between components, supporting alignment and minimizing part-to-part friction.

When should I replace the collar in my Yamaha engine?

Replace it during scheduled maintenance or if signs of deformation, corrosion, or wear appear during inspection. Using a worn collar can compromise engine alignment.