Yamaha - Diaphragm - Fuel System Component - 62Y-24471-00-00

Overview

Small part, big impact—that’s usually the case with diaphragms in these fuel systems. When they start to stiffen or crack, fuel delivery gets inconsistent fast. I’ve seen engines stumble, surge, or just refuse to run right because of a worn diaphragm. Swapping it out is one of those simple fixes that can bring a motor right back to smooth operation.

Key Features

• Flexible Fuel Control – Regulates fuel movement for consistent engine operation.
• Genuine Yamaha Fitment – Designed to match factory components for proper sealing and function.
• Fuel-Resistant Material – Built to handle constant exposure without breaking down.
• Restores System Performance – Helps eliminate surging, hesitation, and fuel inconsistencies.
• Service-Friendly Component – Ideal for replacement during fuel system maintenance.

Engine & Boat Compatibility

Compatible with select Yamaha outboards using this diaphragm. Verify fitment based on your specific engine model.

FAQ

Q: What are signs of a bad diaphragm?
A: Engine surging, poor fuel delivery, or difficulty maintaining steady RPM.

Q: Can a diaphragm cause starting issues?
A: Yes, if it isn’t moving fuel properly, the engine may struggle to start.

Q: Should this be replaced during a rebuild?
A: Absolutely, it’s a wear item and should be replaced during service.

Q: Is installation difficult?
A: Not usually, but proper placement and sealing are important.

Q: Does fuel type affect diaphragm life?
A: Yes, ethanol-blended fuels can accelerate wear over time.