Project Organized By:

Yermo

PROJECT: Yanmar 4JH-TE Black Smoke Won't Spin over 2900 RPMs issue

This is an invitation only project.
This project is ongoing.

On Bike:

The SV Will Sea
1991 Jeanneau Sun Odyssey 44
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Yermo
yesterday
Gemini LLM answer for diesel fuel line:

SAE J1527 is the industry standard for marine fuel hoses, specifying requirements for reinforced hoses and non-reinforced tubing used in gasoline/diesel fuel systems on small recreational boats, ensuring safety with fire resistance and low permeation for various fuel types like gasoline, diesel, and E85. It defines types (like Type A for fire resistance), classes, and styles, and is legally referenced in U.S. Coast Guard regulations (33 CFR 183 Subpart J) for fuel system compliance. 

Key Aspects of SAE J1527:Purpose: To provide safe, reliable fuel lines for marine environments, preventing leaks and fires.Applicability: Small craft, pleasure boats, and permanently installed fuel systems.Fuel Compatibility: Works with gasoline, diesel, biodiesel, and ethanol blends (E85).Types & Classes: Includes classifications like Type A (fire-resistant) and Type B (not fire-resistant), with grades (e.g., A1-15) indicating specific features like fire resistance and low fuel permeation.Construction: Typically multi-layered with an inner nitrile (NBR) tube, synthetic reinforcement (polyester braid), and an outer NBR/PVC cover.Regulatory Significance: It's incorporated by reference into U.S. Federal Regulations (33 CFR 183 Subpart J) for boat safety, making compliance essential for manufacturers. 
In Simple Terms: If you're buying fuel hose for your boat, looking for the "SAE J1527 Type A1-15" marking ensures it meets critical safety standards for the marine environment.