Fuel Pump Assembly – Fits Yamaha 115-300HP 2-Stroke Outboards (Replaces 6E5-24410-02-00)

Fuel Pump Assembly – Fits Yamaha 115-300HP 2-Stroke Outboards

This fuel pump assembly is designed for a wide range of Yamaha 2-Stroke outboard motors from 115HP to 300HP, specifically covering models manufactured between 1984 and 2004. It serves as a direct-fit replacement, engineered to meet or exceed original equipment specifications for reliable performance.

As a mechanical pulse-operated diaphragm pump, it ensures consistent fuel delivery for optimal engine function. This assembly replaces multiple Yamaha and Sierra part numbers, simplifying the process of finding the correct component for your motor.

• Installation Method: Direct OEM replacement
• Compatible Fuel Type: Gasoline
• Package Contents: Includes one complete fuel pump assembly

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across OEM and aftermarket brands.

Compatible Engine Models

Confirm your engine model/year in the table below. For Yamaha owners, here’s a guide to help you identify your engine’s serial/model: Yamaha Serial Number Guide. You can also review exploded diagrams to verify part numbers: Yamaha Parts Diagrams & Catalog.

Technical Specifications

Package Contents

This package includes:

• 1 x Fuel Pump Assembly (6E5-24410-03-00)

Installation Guide

Replacing the fuel pump is a straightforward process for those with mechanical experience. Ensure all safety precautions are followed.

1. Disconnect the Battery: Always begin by disconnecting the negative battery terminal to prevent electrical hazards.
2. Relieve Fuel Pressure: Safely relieve any pressure in the fuel system according to your engine's service manual.
3. Locate the Pump: Identify the old fuel pump on the engine block. Note the routing of fuel lines and any electrical connections.
4. Disconnect Lines: Carefully disconnect the inlet and outlet fuel hoses. Have rags ready to catch any residual fuel.
5. Remove Old Pump: Unbolt the old fuel pump from the engine and remove it.
6. Verify Fitment: Compare the new pump with the old one to ensure the design and fittings match.
7. Install New Pump: Mount the new pump onto the engine and tighten the mounting bolts to the manufacturer's specified torque.
8. Reconnect Lines: Securely attach the fuel hoses to the correct barbs on the new pump.
9. Final Checks: Reconnect the battery terminal. Prime the fuel system using the primer bulb until firm. Start the engine and carefully inspect for any fuel leaks around the pump and connections.

Troubleshooting & FAQ

Q: How do I confirm this fuel pump will fit my exact engine?
A: The best way is to match your existing part number to one of the numbers in the cross-reference table. You can also check your engine model and year against the compatible models list. For further help, use the Yamaha Serial Number Guide linked above.

Q: What are common signs that my old fuel pump is failing?
A: Symptoms of a bad fuel pump include the engine bogging down under acceleration, difficulty starting, rough idling, or a general loss of power, especially at high speeds. These issues occur when the pump can no longer supply adequate fuel pressure.

Q: How often should I replace my outboard fuel pump?
A: There is no fixed replacement interval for mechanical fuel pumps. They are typically replaced only when they fail or show signs of wear, such as leaks or decreased performance. Regular fuel system maintenance can extend its life.

Q: Is this an OEM part or an aftermarket one?
A: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.

Q: How fast do you ship and how much does it cost?
A: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.

Q: What is your warranty and return policy?
A: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.

Important Notes

• Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
• This product is an aftermarket replacement part and is not an OEM component.
• Professional installation is recommended to ensure safety and optimal performance.

Why Choose JLM MARINE?

• Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
• Fast Global Shipping: Free delivery worldwide in 5–15 days.
• Direct from Manufacturer: Competitive pricing without compromising quality.