Yamaha - Reed Valve Assembly - Air Intake & Fuel Control - 6F6-13610-00-00

Overview

On a two-stroke Yamaha, how the engine breathes makes all the difference, and the reed valves are right at the center of that. I’ve worked on motors that just wouldn’t idle clean or had a hesitation coming off throttle, and worn reeds were the issue. It’s not always the first thing people check, but when they’re not sealing right, you’ll feel it. Replace the assembly, and the engine usually smooths out and responds the way it should.

Key Features

• Controlled Intake Flow – Regulates air and fuel mixture entering the engine for proper combustion.
• Improved Throttle Response – Helps restore smooth acceleration and consistent engine behavior.
• OEM Precision Assembly – Built to Yamaha specifications for proper sealing and fit.
• Durable Reed Construction – Designed to withstand repeated flexing under engine operation.
• Restores Engine Efficiency – Supports balanced airflow for reliable performance.

Engine & Boat Compatibility

Designed for Yamaha outboards equipped with compatible two-stroke intake systems. Commonly used on small to mid-size engines found on fishing boats, skiffs, and recreational vessels. Always verify compatibility with your specific engine before installation.

FAQ

Q: What are signs of worn reed valves?
A: Rough idle, hesitation, or fuel spitting back through the intake are common signs.

Q: Can bad reeds affect fuel efficiency?
A: Yes, poor sealing can disrupt the air-fuel mixture and reduce efficiency.

Q: Is installation difficult?
A: It requires some disassembly, but it’s manageable if you’re comfortable working on intake components.

Q: Should I replace all reeds at once?
A: Yes, replacing the full assembly keeps airflow balanced and consistent.

Q: Does sitting unused affect reed valves?
A: Over time, reeds can stick or lose flexibility, especially with old fuel in the system.