Fuel Injector Assembly–Fits Yamaha 50–70HP 4-Stroke (Replaces 6C5-13761-00-00)

Fuel Injector Assembly–Fits Yamaha 50–70HP 4-Stroke (Replaces 6C5-13761-00-00)

This fuel injector assembly is engineered for select Yamaha 4-stroke outboard motors, including 50hp, 60hp, and 70hp models from approximately 2005 to 2018. It serves as a direct replacement for Yamaha OEM part number 6C5-13761-00-00 and related cross-reference numbers.

Constructed from high-grade plastic, this unit features a compact, high-impedance Aisin EV6 design with a 12-hole nozzle for precise fuel atomization. It connects via a standard EV6 connector and uses a Toyota-style port fitting for seamless installation.

• Installation Method: Direct Replacement
• Compatible Fuel Type: Gasoline
• Key Design: 12-hole nozzle, high impedance

Part Number Cross-Reference

Use this information to confirm equivalent part numbers. This part is a direct replacement for the following:

• Yamaha 6C5-13761-00-00
• Yamaha 6C5-13761-00
• Yamaha 6C5-13761
• 6C513761
• 1-34-6C513

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

• 1 x Fuel Injector Assembly (6C5-13761-00-00)
• Gross Weight: 80 G
• Package Dimensions: 8cm x 4.5cm x 3.5cm
• Product Volume: 126 cm³

Installation Guide

1. Disconnect Power: Disconnect the negative battery terminal to prevent electrical shorts.
2. Relieve Fuel Pressure: Follow your engine's service manual to safely relieve pressure from the fuel system.
3. Access the Injector: Remove any components blocking access to the fuel rail and injector.
4. Disconnect Old Injector: Carefully unplug the electrical connector and disconnect the fuel line from the injector.
5. Remove Fuel Rail: Unbolt and gently lift the fuel rail to access the injector.
6. Remove Old Injector: Pull the old fuel injector straight out of its port on the fuel rail.
7. Install New Injector: Lightly lubricate the new O-rings with clean engine oil and press the new injector firmly into the fuel rail.
8. Reinstall Fuel Rail: Secure the fuel rail back onto the engine and tighten bolts to the specified torque.
9. Reconnect Lines: Re-attach the fuel line and electrical connector to the new injector.
10. Check for Leaks: Reconnect the battery. Turn the ignition key to the "ON" position (do not start engine) to pressurize the system and carefully inspect for any fuel leaks.
11. Test Operation: Once confirmed there are no leaks, start the engine and ensure it idles smoothly.

Troubleshooting & FAQ

How do I confirm this fits my engine?
First, check the 'Compatible Engine Models' table to verify your engine's model, horsepower, and year range. Second, confirm that your current part's number matches one of the cross-references, primarily Yamaha 6C5-13761-00-00.

What are the signs of a failing fuel injector?
Common symptoms include rough idling, engine misfires, poor acceleration, increased fuel consumption, difficulty starting the engine, or smelling fuel.

Is this a high or low-impedance injector?
This is a high-impedance fuel injector, designed to work with standard ECU drivers without requiring a resistor box.

OEM vs. Aftermarket?
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.

How fast do you ship and how much does it cost?
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.

What is your warranty and return policy?
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.