Yamaha - Fuel Pump Gasket | Fuel System Sealing Component | YF1-62645-21-40

Overview

When you’re working on Yamaha fuel systems, it’s usually the small sealing parts that end up causing the biggest issues. I’ve seen engines struggle with fuel delivery just because of a worn gasket letting air or fuel leak where it shouldn’t. The Yamaha Fuel Pump Gasket YF1-62645-21-40 keeps that seal tight so the pump can do its job properly. It’s a simple piece, but without it, the whole fuel system can start acting up.

Key Features

• Secure Fuel Pump Seal – Creates a tight seal between the fuel pump and mounting surface to prevent leaks.

• Yamaha Engineered Fit – Designed to match factory specifications for proper alignment and sealing.

• Fuel-Resistant Material – Built to withstand constant exposure to gasoline without breaking down.

• Maintains System Pressure Integrity – Helps ensure consistent fuel delivery by preventing air intrusion.

• Direct Replacement Component – Installs easily during fuel pump service or repair.

Engine & Boat Compatibility

The Yamaha Fuel Pump Gasket YF1-62645-21-40 is designed for Yamaha engines equipped with fuel pump systems requiring a sealed mounting interface.

It is commonly used during fuel pump maintenance or replacement where maintaining a proper seal is critical for consistent fuel delivery and engine performance. Always confirm compatibility using your engine model and parts diagram before installation.

FAQ

What are signs of a bad fuel pump gasket?
Fuel leaks, strong fuel smell, or inconsistent engine performance can point to a failing gasket.

Can a gasket cause fuel delivery issues?
Yes, even a small leak can allow air into the system and disrupt fuel flow.

Should I replace this gasket when servicing the fuel pump?
Yes, it’s best practice to replace gaskets anytime the pump is removed.

Do I need to use sealant with this gasket?
No, it’s designed to seal properly on its own when installed correctly.

Does ethanol fuel affect this gasket?
Over time, ethanol can contribute to wear, which is why replacing old gaskets is important.

• Supersessions
  YF1-58625-21-40, YF1-58415-21-40