Yamaha Head, Cylinder 1 – 7RH-11111-01-00

OEM Cylinder Head for Peak Engine Performance

The Yamaha - Head, Cylinder 1 - 7RH-11111-01-00 is a genuine Yamaha replacement part designed to deliver optimal combustion efficiency and maintain the structural integrity of your engine's upper end. Engineered to exact OEM specifications, this cylinder head ensures perfect alignment with your outboard’s internal components, preserving compression and power output.

If your current head shows signs of wear, cracks, or gasket sealing issues, this factory-original replacement offers a direct-fit solution to keep your Yamaha motor running at full strength.

Key Features

Precision OEM Fit: Manufactured by Yamaha to match original design and performance standards.

Heat-Resistant Construction: Built to withstand extreme combustion temperatures and pressures.

Corrosion-Resistant Coating: Protects internal surfaces from moisture and saltwater exposure.

Ready-to-Install: Machined ports and bolt holes ensure seamless installation and compatibility.

Compatibility

Part Number: 7RH-11111-01-00

Model Fitment: Refer to your Yamaha outboard engine’s manual or consult a Yamaha technician to confirm compatibility with your specific model.

Ideal Use Cases

Engine Rebuilds: Perfect for comprehensive upper-end rebuilds where restoring compression and structural performance is key.

Head Replacement: Use when the original cylinder head shows signs of damage, warping, or internal wear.

Preventative Maintenance: Upgrade during major service intervals to maintain long-term engine reliability.

Why Cylinder Head Quality Matters

The cylinder head plays a critical role in your engine’s performance, influencing everything from compression to cooling. The Yamaha - Head, Cylinder 1 - 7RH-11111-01-00 ensures your engine receives consistent combustion chamber sealing and thermal regulation—two factors essential for horsepower and fuel efficiency. Trust Yamaha’s OEM precision to avoid costly failures and downtime on the water.

Frequently Asked Questions

What are the signs that I need to replace my Yamaha cylinder head?

Common indicators include reduced compression, oil leaks around the head gasket, engine misfires, and visible cracks or corrosion.

Can I install this cylinder head myself?

If you have mechanical experience and the proper tools, installation is feasible. However, precise torque specs and gasket sealing are critical—professional installation is recommended for best results.

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