Yamaha - Fuel Pump Diaphragm - Fuel System Component - 692-24411-00-00

Overview

A small part like a fuel pump diaphragm can make a big difference in how your outboard runs. This Yamaha diaphragm helps move fuel through the pump, keeping a steady flow to the engine. When it starts to wear or stiffen, you’ll notice it right away—hard starts, hesitation, or inconsistent performance. Replacing it restores proper fuel delivery and helps your engine run smooth and reliable again.

Key Features

• Fuel Pump Functionality – Helps regulate fuel movement through the pump for consistent delivery.
• Improves Engine Performance – Restores smooth idle, throttle response, and starting.
• OEM Yamaha Fitment – Built to factory specs for proper sealing and durability.
• Essential Maintenance Part – Commonly replaced during fuel pump rebuilds.

Engine & Boat Compatibility

Compatible with a wide range of Yamaha 2-stroke outboard engines using this diaphragm design.

FAQ

Q: What does a fuel pump diaphragm do?
A: It flexes inside the pump to move fuel from the tank to the engine.

Q: What are signs the diaphragm is bad?
A: Hard starting, hesitation, poor fuel delivery, or engine stalling.

Q: Should I replace this during a fuel pump rebuild?
A: Yes, it’s one of the most important components to replace.

Q: Can this affect engine performance?
A: Yes, a worn diaphragm can cause inconsistent fuel flow and poor engine operation.

Q: Is this a common service part?
A: Yes, it’s frequently replaced in routine fuel system maintenance.