SKU: 21062954148

5/16" Outboard Fuel Line Assembly – Fits Yamaha 4-350 HP Motors (Replaces 6Y1-24306-55)

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Description

5/16" Outboard Fuel Line Assembly – Fits Yamaha 4-350 HP Motors (Replaces 6Y1-24306-55)5 16" Outboard Fuel Line Assembly Fits Yamaha 4 350 HP Motors (Replaces 6Y1 24306 55) This fuel line assembly is engineered for a wide range of Yamaha outboard motors from 4 HP to 350 HP, accommodating both 2 stroke and 4 stroke engines. The 6. 5 foot line incorporates a premium primer bulb and is designed to connect portable fuel tanks to the outboard engine, ensuring a reliable fuel supply. This assembly serves as a direct replacement for multiple

5/16" Outboard Fuel Line Assembly – Fits Yamaha 4-350 HP Motors (Replaces 6Y1-24306-55)

This fuel line assembly is engineered for a wide range of Yamaha outboard motors from 4 HP to 350 HP, accommodating both 2-stroke and 4-stroke engines. The 6.5-foot line incorporates a premium primer bulb and is designed to connect portable fuel tanks to the outboard engine, ensuring a reliable fuel supply.

This assembly serves as a direct replacement for multiple Yamaha part numbers, including 6Y1-24306-55, 61J-24306-04-00, 6Y2-24306-56, 6YK-24306-64, 6YL-24306-68, and 6Y2-24306-A2.

  • Package includes (1) Fuel Line Assembly with Primer Bulb and (2) Stainless Steel Hose Clamps.
  • Engineered for external tank-to-engine installation.
  • Fully compatible with modern ethanol-blended fuels.

Part Number Cross-Reference

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

Brand Part Number
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

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.

Brand Model Rated HP Stroke OEM Part No.
Yamaha Various Outboard Models 4 2-Stroke & 4-Stroke 6Y1-24306-55
Yamaha Various Outboard Models 5 2-Stroke & 4-Stroke 6Y1-24306-55
Yamaha Various Outboard Models 6 4-Stroke 6Y1-24306-55
Yamaha Various Outboard Models 8 2-Stroke & 4-Stroke 6Y1-24306-55
Yamaha Various Outboard Models 9.9 2-Stroke & 4-Stroke 6Y1-24306-55
Yamaha Various Outboard Models 15 2-Stroke & 4-Stroke 6Y1-24306-55
Yamaha Various Outboard Models 20-30 2-Stroke & 4-Stroke 6Y1-24306-55
Yamaha Various Outboard Models 40-60 2-Stroke & 4-Stroke 6Y1-24306-55
Yamaha Various Outboard Models 70-90 2-Stroke & 4-Stroke 6Y1-24306-55
Yamaha Various Outboard Models 100-150 2-Stroke & 4-Stroke 6Y1-24306-55
Yamaha Various Outboard Models 175-200 2-Stroke & 4-Stroke 6Y1-24306-55
Yamaha Various Outboard Models 225-250 2-Stroke & 4-Stroke 6Y1-24306-55
Yamaha Various Outboard Models 275-350 4-Stroke 6Y1-24306-55

Technical Specifications

Specification Value
Product Type Outboard Fuel Line Assembly with Primer Bulb
Installation External, tank-to-engine connection
Fuel Type Compatible with ethanol-blended fuels
Connection Portable tank to outboard engine
Housing Material Flexible rubber with UV/ozone resistance
Housing Color Black
Dimensions 6.5 ft (1.98 m) length, 5/16" (8 mm) inner diameter
Weight 0.44 kg (0.97 lbs)
Fitting Type Marine outboard standard connectors
Other Technical Attributes Alcohol-enhanced fuel resistant, UV/ozone resistant

Package Contents

  • 1 x Fuel Line Assembly with Primer Bulb (Replaces 6Y1-24306-55)
  • 2 x Stainless Steel Hose Clamps

Installation Guide

  1. Ensure the engine is off and cool to the touch. Disconnect the negative battery terminal for safety.
  2. Locate the existing fuel line connecting your portable fuel tank to the outboard motor.
  3. Loosen the hose clamps on both the engine and tank sides of the old fuel line and carefully detach it. Be prepared for minor fuel spillage.
  4. Attach the new fuel line assembly, ensuring the arrow on the primer bulb points in the direction of fuel flow (from the tank to the engine).
  5. Secure the engine-side connector to the motor's fuel inlet.
  6. Attach the tank-side connector to the portable fuel tank outlet.
  7. Use the provided stainless steel hose clamps to secure both ends of the hose firmly. Do not overtighten.
  8. Squeeze the primer bulb until it feels firm, indicating that fuel has filled the line.
  9. Check all connections for any signs of leaks.
  10. Reconnect the battery, start the engine, and check again for leaks while the engine is running at idle.

Troubleshooting & FAQ

Q: How do I confirm this fits my engine?
A: Check the "Compatible Engine Models" and "Part Number Cross-Reference" tables on this page. This assembly is designed for a very broad range of Yamaha outboard models from 4 HP to 350 HP. Verifying your engine model and original part number is the best way to ensure a match.

Q: What are common signs that my fuel line needs replacement?
A: Look for visible cracks, stiffness, or brittleness in the rubber hose. A primer bulb that does not become firm or fails to hold pressure is another key indicator. You may also experience poor engine performance, stalling, or difficulty starting due to fuel starvation.

Q: How often should I replace the fuel line assembly?
A: It is recommended to inspect your fuel line at the beginning of each season. As a general guideline, consider replacement every 3-5 years, depending on usage, exposure to sunlight, and fuel type. Hoses exposed to ethanol-blended fuels may require more frequent replacement.

Q: What's the difference between this and an OEM Yamaha fuel line?
A: This is an aftermarket replacement part, not an original Yamaha component. It is designed to meet or exceed OEM specifications for fit, form, and function, offering a cost-effective solution without sacrificing performance. The materials are selected for UV, ozone, and alcohol-enhanced fuel resistance.

Q: OEM vs. Aftermarket?
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.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 21062954148

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