5/16" Outboard Fuel Line Assembly with Primer Bulb – 6.5 ft, Yamaha Replacement References
5/16" Outboard Fuel Line Assembly with Primer Bulb – 6.5 ft, Yamaha Replacement References is backordered and will ship as soon as it is back in stock.
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5/16" Outboard Fuel Line Assembly with Primer Bulb – 6.5 ft, Y...
5/16" Outboard Fuel Line Assembly with Primer Bulb – 6.5 ft, Yamaha Replacement References is backordered and will ship as soon as it is back in stock.
Product Details
This 5/16-inch outboard fuel line assembly includes a primer bulb and is intended for connecting a portable fuel tank to an outboard engine that uses a compatible 5/16-inch fuel line and matching marine connectors. The flexible line measures approximately 6.5 feet (1.98 m) and is suitable for many Yamaha outboard applications when the connector style, fuel-line diameter, and engine configuration match.
The assembly is listed as a replacement for Yamaha fuel-line references including 6Y1-24306-55, 61J-24306-04-00, 6Y2-24306-56, 6YK-24306-64, 6YL-24306-68, and 6Y2-24306-A2. These references should be compared with the number and connector arrangement on the original assembly before ordering.
- Installation: External tank-to-engine fuel connection
- Fuel system: Portable fuel tank to outboard engine
- Fuel compatibility: Intended for ethanol-blended gasoline when used as specified by the engine and fuel-system manufacturer
- Ready to install: Includes two stainless steel hose clamps
Part Number Matrix
The following Yamaha numbers are listed replacement references. Confirm the connector type and hose diameter for your application; a number match alone does not confirm every model, year, or serial-number configuration.
| Brand | Listed Replacement Reference |
|---|---|
| Yamaha | 6Y1-24306-55 |
| Yamaha | 61J-24306-04-00 |
| Yamaha | 6Y2-24306-56 |
| Yamaha | 6YK-24306-64 |
| Yamaha | 6YL-24306-68 |
| Yamaha | 6Y2-24306-A2 |
Engine and Model Compatibility
This replacement assembly is intended for outboard engines requiring a 5/16-inch external fuel line and compatible tank and engine connectors. It has been marketed for a broad range of Yamaha outboard applications, including both 2-stroke and 4-stroke configurations, but exact compatibility may vary by model, year, shaft configuration, connector style, and serial-number range.
Before ordering, compare the original hose inner diameter, primer-bulb orientation, connector fittings, and the Yamaha reference number. Do not rely on horsepower alone to determine fitment.
| Application Information | Requirement or Guidance |
|---|---|
| Engine brand | Yamaha applications listed for this replacement assembly |
| Engine type | 2-stroke or 4-stroke where the fuel-line and connector specifications match |
| Fuel-line size | 5/16 inch (approximately 8 mm) inner diameter |
| Connection | Portable fuel tank to external outboard fuel connection |
| Verification required | Model, year, serial range, connector style, hose diameter, and original part-number comparison |
Technical Specifications
- Product Type
- Outboard fuel line assembly with primer bulb
- Installation
- External tank-to-engine connection
- Connection
- Portable fuel tank to compatible outboard engine
- Hose Material
- Flexible black fuel hose intended for marine use
- Color
- Black
- Length
- Approximately 6.5 ft (1.98 m)
- Inner Diameter
- 5/16 inch (approximately 8 mm)
- Fitting Type
- Marine outboard fuel-line connectors; verify connector compatibility before installation
- Fuel Use
- For gasoline fuel systems using compatible ethanol-blended fuel, subject to the engine and fuel-system manufacturer's requirements
What's in the Box
- 1 x 5/16-inch fuel line assembly with primer bulb
- 2 x stainless steel hose clamps
Installation Notes
- Turn off the engine, allow it to cool, and work in a well-ventilated area away from flames, sparks, and other ignition sources.
- Disconnect the existing fuel line from the portable fuel tank and the outboard engine. Keep fuel away from skin, painted surfaces, and electrical equipment.
- Compare the replacement connectors and hose diameter with the original assembly before connecting the new line.
- Install the line with the arrow on the primer bulb pointing in the direction of fuel flow, from the tank toward the engine.
- Secure the connections and use the supplied stainless steel clamps where appropriate. Do not overtighten clamps or damage the hose.
- Squeeze the primer bulb until it becomes firm, then inspect the complete line, bulb, clamps, and fittings for fuel seepage before starting the engine.
- Stop immediately and correct any leak, loose fitting, damaged hose, or incorrectly oriented primer bulb before operating the boat.
Troubleshooting and FAQ
How do I confirm this fuel line fits my Yamaha outboard?
Confirm that your engine uses a 5/16-inch external fuel line and that both replacement connectors match the portable tank and engine fittings. Compare the original hose, primer-bulb orientation, listed Yamaha reference, model, year, and serial-number information whenever available. Horsepower alone is not sufficient to confirm fitment.
What are signs that a fuel line assembly needs replacement?
Common signs include cracked, hardened, swollen, or brittle hose material; fuel odor or visible leakage; a damaged primer bulb; a bulb that will not become firm; restricted fuel flow; or a bulb that collapses during operation.
Is this an original Yamaha part?
No. This is an aftermarket replacement assembly marketed for applications using the listed Yamaha replacement references. Yamaha is a trademark of its respective owner, and this product is not represented as an original Yamaha component.
Which way should the primer-bulb arrow point?
The arrow should point in the direction of fuel flow, from the portable fuel tank toward the outboard engine. Verify the arrow direction before priming the system.
Can it be used with ethanol-blended fuel?
The assembly is intended for use with compatible ethanol-blended gasoline, including commonly used blends such as E10, when permitted by the engine and fuel-system manufacturer. Inspect the line regularly and replace it if any swelling, cracking, softening, or leakage appears.
How often should an outboard fuel line be replaced?
Inspect the fuel line before each boating season and during regular maintenance. Replace it immediately if it shows damage, stiffness, cracking, leakage, or degraded primer-bulb performance. Service intervals depend on storage conditions, fuel type, use, and the engine manufacturer's recommendations.
Is professional installation recommended?
Fuel-system work should be performed by a qualified person familiar with marine fuel systems. If you are uncertain about connector compatibility, fuel flow direction, leakage, or local safety requirements, consult a marine technician before use.
Safety and Important Information
- Verify the hose diameter, connector style, and original part-number reference before purchase and installation.
- Keep fuel away from flames, sparks, hot engine surfaces, and enclosed areas without adequate ventilation.
- Do not operate the engine if fuel leaks are present or if the fuel line is damaged.
- This is an aftermarket replacement, not an OEM Yamaha component.
- Dispose of the old fuel line and any spilled fuel in accordance with local regulations.
About Sea Sierra
- Pro-Grade Standards — We supply marine replacement parts selected for practical service and real-world boating conditions.
- Manufacturer-Direct Value — We aim to provide useful replacement solutions at a competitive value.
- Application Guidance — Compare the original component and fitting details carefully before installation.
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