Fuel Line Connector Kit for Yamaha Outboard Engines 6–90 HP – Replaces 6Y1-24305 and 6G1-24305
Fuel Line Connector Kit for Yamaha Outboard Engines 6–90 HP – Replaces 6Y1-24305 and 6G1-24305 is backordered and will ship as soon as it is back in stock.
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Fuel Line Connector Kit for Yamaha Outboard Engines 6–90 HP – Repla...
Fuel Line Connector Kit for Yamaha Outboard Engines 6–90 HP – Replaces 6Y1-24305 and 6G1-24305 is backordered and will ship as soon as it is back in stock.
Product Details
This Marine Fuel Line Connector Kit is intended for Yamaha outboard applications using a 6 mm (approximately 1/4-inch) fuel line. It provides replacement tank-side and engine-side quick-disconnect fittings to help restore a secure fuel-line connection.
The listed replacement references include Yamaha part numbers 6Y1-24305-06-00, 6Y1-24305-05-00, 6Y1-24305-04, 6G1-24304-02-00, 6G1-24304-01, and 6G1-24304-10-00, along with Sierra references 18-80414 and 18-80413. Confirm the connector style, hose size, and original part number before ordering.
- Designed as a replacement for compatible Yamaha fuel-line connector applications.
- Quick-disconnect design supports convenient fuel-line removal and installation.
- Includes female and male connectors for the listed tank-side and engine-side configuration.
- Check the original connector and fuel-line dimensions before installation.
Part Number Matrix
Use the following references to compare the replacement with the connector being removed. Part-number matching alone does not replace checking the connector shape, hose size, and engine application.
| Brand | Part Number |
|---|---|
| Yamaha | 6Y1-24305-06-00 |
| Yamaha | 6Y1-24305-05-00 |
| Yamaha | 6Y1-24305-04 |
| Yamaha | 6G1-24304-02-00 |
| Yamaha | 6G1-24304-01 |
| Yamaha | 6G1-24304-10-00 |
| Sierra | 18-80414 |
| Sierra | 18-80413 |
Engine & Model Compatibility
The supplied application information covers Yamaha outboards from 6 to 90 HP, including selected 2-stroke and 4-stroke applications. Because fuel connectors can vary by model, year, hose size, and fitting location, compare your original connector and part number before purchase.
| Brand | Rated HP | Stroke | Listed Replacement References | Application Note |
|---|---|---|---|---|
| Yamaha | 6 | 2-Stroke & 4-Stroke | 6Y1-24305-06-00, 6G1-24304-10-00 | Tank-side and engine-side connector applications |
| Yamaha | 8 | 2-Stroke & 4-Stroke | 6Y1-24305-06-00, 6G1-24304-10-00 | Tank-side and engine-side connector applications |
| Yamaha | 9.9 | 2-Stroke & 4-Stroke | 6Y1-24305-06-00, 6G1-24304-10-00 | Tank-side and engine-side connector applications |
| Yamaha | 15 | 2-Stroke & 4-Stroke | 6Y1-24305-06-00, 6G1-24304-10-00 | Tank-side and engine-side connector applications |
| Yamaha | 20 | 4-Stroke | 6Y1-24305-06-00, 6G1-24304-10-00 | Tank-side and engine-side connector applications |
| Yamaha | 25 | 2-Stroke & 4-Stroke | 6Y1-24305-06-00, 6G1-24304-10-00 | Tank-side and engine-side connector applications |
| Yamaha | 30 | 2-Stroke & 4-Stroke | 6Y1-24305-06-00, 6G1-24304-10-00 | Tank-side and engine-side connector applications |
| Yamaha | 40 | 2-Stroke & 4-Stroke | 6Y1-24305-06-00, 6G1-24304-10-00 | Tank-side and engine-side connector applications |
| Yamaha | 50 | 2-Stroke & 4-Stroke | 6Y1-24305-06-00, 6G1-24304-10-00 | Tank-side and engine-side connector applications |
| Yamaha | 55 | 2-Stroke | 6Y1-24305-06-00, 6G1-24304-10-00 | Tank-side and engine-side connector applications |
| Yamaha | 60 | 2-Stroke & 4-Stroke | 6Y1-24305-06-00, 6G1-24304-10-00 | Tank-side and engine-side connector applications |
| Yamaha | 70 | 2-Stroke & 4-Stroke | 6Y1-24305-06-00, 6G1-24304-10-00 | Tank-side and engine-side connector applications |
| Yamaha | 75 | 2-Stroke | 6Y1-24305-06-00, 6G1-24304-10-00 | Tank-side and engine-side connector applications |
| Yamaha | 85 | 2-Stroke | 6Y1-24305-06-00, 6G1-24304-10-00 | Tank-side and engine-side connector applications |
| Yamaha | 90 | 2-Stroke & 4-Stroke | 6Y1-24305-06-00, 6G1-24304-10-00 | Tank-side and engine-side connector applications |
Technical Specifications
- Product Type
- Fuel line connector kit
- Application
- Selected Yamaha outboard fuel-line systems
- Installation
- Direct replacement where the connector, hose size, and application match
- Fuel Type
- Gasoline and compatible ethanol-blended fuels
- Connection Size
- 6 mm (approximately 1/4 inch)
- Housing Material
- ABS plastic with metal components
- Housing Color
- Black
- Approximate Dimensions
- 7 cm (2.76 in) length × 2 cm (0.79 in) width
- Approximate Weight
- 0.09 kg (3.17 oz)
- Fitting Type
- Quick disconnect
What’s in the Box
- 2 × Outboard female fuel-line connectors, listed as replacements for 6Y1-24305-06-00
- 1 × Male fuel-line connector, listed as a replacement for 6G1-24304-10-00
Installation Notes
- Turn off the engine, allow it to cool, and work in a well-ventilated area away from ignition sources.
- Depressurize the fuel system and place an absorbent cloth beneath the connection to catch residual fuel.
- Disconnect the existing fuel-line connectors and note the orientation of each fitting.
- Inspect the fuel hose for cracks, brittleness, swelling, or other damage. Replace damaged hose before use.
- Attach the replacement connectors to the appropriate fuel-line ends and secure them with suitable clamps where required.
- Connect the quick-disconnect fittings to the matching tank-side and engine-side ports. Do not force a connector that does not engage correctly.
- Prime the fuel system according to the engine manufacturer’s procedure, then inspect every connection for leaks before starting the engine.
- After starting, stop immediately if fuel seepage, odor, or abnormal fuel flow is detected.
Troubleshooting & FAQ
How do I confirm that this connector kit fits my Yamaha outboard?
Compare the connector shape, hose size, fitting location, and original part number with the references listed above. The application information covers selected Yamaha 6–90 HP outboards, but model, year, stroke, and connector configuration can affect fitment.
What are common signs of a failing fuel-line connector?
Fuel odor, visible seepage, hard starting, stalling, sputtering, or a connector that is cracked, faded, loose, or brittle can indicate that inspection or replacement is needed.
Can the connectors be used with ethanol-blended gasoline?
The listing describes the connectors as suitable for gasoline and compatible ethanol-blended fuels. Always follow the engine and fuel-system manufacturer’s fuel recommendations and replace any hose or fitting showing deterioration.
Why does the kit include two female connectors and one male connector?
The supplied configuration is intended to replace the listed tank-side and engine-side connector arrangement. Confirm the orientation and connector type on your existing fuel system before installation.
Are special tools required?
No specialized tool is normally required for the quick-disconnect fittings. Hose clamps may require a screwdriver or pliers, depending on the clamp design. Work carefully to avoid damaging the hose or fitting.
Is this an OEM part?
This listing is for an aftermarket replacement kit. The Yamaha and Sierra numbers shown above are reference numbers for application and comparison; they do not indicate that the kit is manufactured by Yamaha or Sierra.
What should I do if the connector does not fit?
Do not force the fitting or operate the engine. Recheck the original part number, hose size, connector gender, and fitting location. Contact support if you need help comparing the original component with the listed references.
Safety & Important Information
- Fuel is flammable. Work outdoors or in a well-ventilated area and keep the fuel system away from sparks, flames, and hot surfaces.
- Verify the connector style, dimensions, and part-number references against your original component before ordering.
- Do not operate the engine if any fuel leak or strong fuel odor is present.
- This is an aftermarket replacement, not an OEM component.
- Professional installation is recommended when the fuel system, hose, or fittings are damaged or difficult to access.
About Sea Sierra
- Pro-Grade Standards — We supply marine replacement parts selected for practical service and real-world marine use.
- Global Fulfillment — Shipping options and delivery estimates are shown at checkout where available.
- Manufacturer-Direct Value — We aim to provide dependable replacement parts at competitive prices.
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