Aftermarket Fuel Pump Assembly for Yamaha 2-Stroke 40–90 HP Outboards – Replaces 692-24410-00-00, 663-24410-00-00 and 6A0-24410 Series

Product Details

This aftermarket mechanical fuel pump assembly is designed as a replacement for selected Yamaha 2-stroke outboards rated from 40 to 90 HP. It is intended to restore fuel delivery to the carburetor when the original mechanical pump is worn, damaged, leaking or no longer supplying adequate fuel.

Catalog references identify this fuel pump application for Yamaha 2-stroke 40–90 HP outboards, with model and year coverage varying by engine configuration. Always compare your engine model, year and existing pump before ordering.

• Aftermarket replacement for the original mechanical fuel pump.
• Application range: selected Yamaha 2-stroke 40–90 HP outboards.
• Direct-replacement style installation when the listed part number and engine application match.
• Fuel pump only; gasket and rebuild-kit components are not included unless specifically stated.

Part Number Matrix

The following manufacturer and aftermarket references are associated with this fuel-pump application. These numbers are provided for cross-reference; they do not indicate that this product is an OEM component.

Engine & Model Compatibility

This replacement is intended for selected Yamaha 2-stroke outboards in the 40–90 HP range. The catalog application is listed as 40–90 HP, 1984–2009; exact fitment depends on model designation and year.

Important: The model families above are not a substitute for checking the complete model designation and year. Do not use the 25 HP range shown in older listing text as confirmation of fitment; the available catalog application for this replacement is 40–90 HP.

Technical Specs

Product Type

Mechanical fuel pump assembly

Application

Selected Yamaha 2-stroke outboards

Rated Horsepower Range

40–90 HP

Fuel Type

Gasoline

Replacement Style

Aftermarket direct-replacement style

Reference Aftermarket Number

18-7334

Included Gasket

Not included

What’s in the Box

• 1 × Aftermarket outboard fuel pump assembly

Installation Notes

1. Confirm the engine model, year, stroke and existing pump reference before beginning installation.
2. Disconnect the battery and allow the engine to cool completely.
3. Relieve fuel-system pressure where applicable and place absorbent material beneath the pump.
4. Mark the inlet and outlet hose positions, then disconnect the fuel lines.
5. Remove the mounting fasteners and take off the old pump.
6. Clean the mounting surface and remove old gasket material without damaging the engine block.
7. Install a new gasket if required. This listing does not include a gasket.
8. Position the replacement pump, install the fasteners and tighten them to the engine manufacturer’s specified torque.
9. Reconnect the fuel lines to the correct inlet and outlet ports and secure the clamps.
10. Prime the fuel system according to the engine service manual.
11. Inspect carefully for leaks before starting and again after the engine reaches operating speed.

Troubleshooting & FAQ

Safety & Important Information

• Work in a well-ventilated area away from flames, sparks and other ignition sources.
• Use the engine service manual for torque values, fuel-system procedures and final installation checks.
• Verify the original pump, hose routing and mounting pattern before installation.
• This is an aftermarket replacement and is not represented as an OEM component.
• Professional installation is recommended when fuel-system service or model identification is uncertain.

About Sea Sierra

• Marine Replacement Parts — Replacement components for selected marine engine applications.
• Application-Focused Listings — Product references and compatibility information are provided to help match the correct part.
• Customer Support — Contact support with your engine’s complete model designation and serial number when fitment is uncertain.