Yamaha 6CE-44574-00-00 – Stopper, Lower Mount Rubber

Yamaha 6CE-44574-00-00 – Stopper, Lower Mount Rubber

Essential Vibration Damping for Smooth Outboard Operation

The Yamaha 6CE-44574-00-00 – Stopper, Lower Mount Rubber is a genuine OEM component designed to reduce shock and vibration between your Yamaha outboard motor and its mounting bracket. This durable rubber stopper absorbs impact and movement, helping to stabilize your engine and extend the life of connected components. Whether you're replacing worn parts or maintaining peak performance, this stopper plays a key role in engine mount integrity.

Key Features

Genuine Yamaha OEM Quality

Designed to meet Yamaha's exact engineering standards for fit and performance.

Durable Rubber Composition

Built from high-strength rubber that withstands continuous pressure and marine exposure.

Reduces Shock and Engine Vibration

Helps preserve engine mounts and enhances ride stability, especially at high speeds or in rough waters.

Easy Installation

Seamlessly fits into the lower mount assembly for straightforward replacement and maintenance.

Ideal Use Cases

Replacing cracked, hardened, or deteriorated lower mount stoppers.

Reducing engine vibration or noise coming from the lower transom area.

Performing preventive maintenance during mount servicing or repowering.

Why Engine Mount Dampers Matter

Lower mount rubber stoppers aren’t just passive parts—they play an active role in preserving outboard health. The Yamaha 6CE-44574-00-00 – Stopper, Lower Mount Rubber cushions engine movement and minimizes wear on metal components. Over time, worn or missing stoppers can cause metal fatigue, noisy operation, or even bracket damage. Upgrading with genuine Yamaha parts ensures reliable performance and a smoother ride.

Frequently Asked Questions

How do I know if my lower mount rubber stopper needs replacement?

Signs include increased engine vibration, visible cracks or hardening in the rubber, or excessive play at the mounting point.

Is this stopper compatible with all Yamaha outboards?

It’s model-specific. Always verify fitment using your outboard’s model number or service manual.

Can I install this part myself?

Yes, it can be replaced using basic tools, but if you’re unfamiliar with engine mounts, a technician can ensure correct torque and alignment.