Female Fuel Line Connector for Yamaha 6–90 HP Outboards – Replaces 6G1-24305

Product Details

This female fuel line connector is designed for the engine side of the fuel system on selected Yamaha 6–90 HP outboard applications. It provides a secure connection for a nominal 1/4-inch (approximately 6.4 mm) fuel-line connection and is intended for use with compatible Yamaha fuel fittings.

This aftermarket connector is listed as a replacement for Yamaha part-number references in the 6G1-24305 family, including the references shown below. Confirm the number and connector style on your original part before ordering.

• Engine-side fuel-line connector.
• Female connector design.
• Nominal 1/4-inch (approximately 6.4 mm) connection.
• Listed for selected Yamaha 6–90 HP outboard applications.
• Designed to mate with compatible male fuel connectors, including Sierra 18-8077-1 where applicable.

Part Number Matrix

The following references are provided as cross-reference leads. Part-number suffixes and application coverage can vary by engine model and production year, so verify the original part before purchase.

Engine & Model Compatibility

This connector is listed for a broad range of Yamaha outboard applications from 6 HP through 90 HP. The exact fit depends on the engine model, year, fuel-system configuration, connector style, and part-number suffix. Use the table as a general application guide and confirm the original connector or OEM reference before ordering.

Technical Specifications

Product Type

Fuel line connector

Installation Location

Engine side of the fuel line

Fuel Type

Gasoline

Connector Gender

Female

Nominal Connection Size

1/4 inch (approximately 6.4 mm)

Fuel-Line Application

Designed for compatible Yamaha 6 mm fuel-line applications

Listed Mating Connector

Sierra 18-8077-1, where the fuel-system configuration is compatible

What's in the Box

• 1 × Female fuel line connector

Installation Notes

1. Turn off the outboard engine and allow it to cool before servicing the fuel system.
2. Relieve fuel-system pressure according to the engine manufacturer's service procedure. Keep an absorbent rag available for minor fuel spillage.
3. Disconnect the existing engine-side connector carefully. If a hose clamp is present, release it with the appropriate tool.
4. Inspect the fuel hose for cracking, brittleness, swelling, or other damage. Replace a damaged hose before operating the engine.
5. Attach the replacement connector to the fuel line and secure it with a suitable clamp where required.
6. Connect the female fitting to the compatible male engine fitting until it is fully seated and secure.
7. Prime the fuel system with the primer bulb until firm.
8. Check the connector, hose, and fitting for fuel leaks before starting the engine and again after the engine reaches operating condition.

Troubleshooting & FAQ

Safety & Important Information

• Verify the connector dimensions, orientation, and part-number reference against your original part before ordering.
• Do not install a connector that does not seat securely or that shows damage.
• Check carefully for fuel leaks after installation and before operating the boat.
• This is an aftermarket replacement, not an OEM component.
• Professional installation is recommended when working on a marine fuel system.

About Sea Sierra

• Pro-Grade Standards — We supply marine replacement parts designed for dependable fit and service in real-world applications.
• Fast Global Fulfillment — Free standard delivery is available to most regions, with typical delivery in 5–15 days.
• Manufacturer-Direct Value — Competitive pricing backed by careful product selection and quality control.