Yamaha SEAL 2 – 63D-42717-00-00

Dependable Sealing Performance for Yamaha Marine Applications

The Yamaha - Seal 2 - 63D-42717-00-00 is a genuine OEM replacement part engineered to maintain a tight, secure seal within your Yamaha outboard system. Designed for precision fitment and long-lasting performance, this seal plays a crucial role in preventing leaks, maintaining pressure, and protecting vital internal components from moisture and debris.

If your current seal shows signs of wear or degradation, replacing it with this Yamaha original ensures reliable operation and prolongs engine health.

Key Features

Yamaha OEM Quality

Manufactured to Yamaha’s rigorous standards for durability, exact fit, and marine-grade sealing performance.

Prevents Leaks and Contaminant Intrusion

Helps retain fluids and protect internal systems from water, dirt, and corrosion.

Built for Harsh Marine Environments

Resistant to saltwater, high temperatures, and constant engine vibration.

Easy Replacement

Designed to seamlessly fit into designated Yamaha assemblies without modification.

Compatibility

OEM part number: 63D-42717-00-00

Fits a range of Yamaha outboard engines.

Always confirm with your official Yamaha parts diagram to ensure compatibility.

Ideal Use Cases

Routine maintenance for preserving outboard engine performance.

Replacement of worn or damaged seals that are leaking or showing signs of degradation.

Preventive part swaps during engine rebuilds or overhauls.

Why Replacing Your Yamaha Seal Matters

A degraded or failed seal can lead to fluid leaks, pressure loss, and the introduction of harmful debris—all of which compromise engine efficiency and reliability. Using an original Yamaha - Seal 2 - 63D-42717-00-00 ensures your engine maintains optimal sealing integrity under tough marine conditions.

Frequently Asked Questions

How do I know if this seal is worn out?

Look for signs like oil leaks, visible cracking, or engine performance issues. A routine inspection during maintenance is recommended.

Is this an exact replacement part?

Yes, this is a genuine Yamaha OEM component designed to precisely match the original specifications.

Can I install this myself, or should a technician do it?

If you’re experienced with Yamaha engine maintenance and follow the proper diagram, you can install it yourself. Otherwise, professional installation is recommended for sealing components.