| Customization: | Available |
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| After-sales Service: | Yes |
| Warranty: | 1 Year |
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| 1. Fuel Delivery: The main function of the fuel pump is to transfer fuel from the boat's fuel tank to the engine's fuel system (carburetor or fuel injectors) at the right pressure for optimal combustion. |
| 2. Regulating Fuel Pressure: Whether mechanical or electric, the fuel pump regulates the flow and pressure of fuel. Proper fuel pressure is crucial to ensure the engine runs smoothly, without sputtering, stalling, or fuel starvation. |
| 3. Fuel Injection (for EFI Models): In models with EFI systems, the electric fuel pump ensures that high-pressure fuel is delivered to the injectors, which then atomize the fuel for efficient combustion. |
| 4. Cranking Assistance: During engine start-up, especially in EFI models, the fuel pump primes the system to ensure there's enough fuel pressure for quick ignition, reducing the time it takes to start the engine. |
| 1. Regular Inspection: Periodically inspect the fuel pump assembly for any signs of leaks, cracks, or wear. Pay particular attention to hoses, seals, and gaskets for any signs of deterioration, especially when using ethanol-blended fuels, which can degrade rubber over time. |
| 2. Check for Fuel Delivery Issues: If you notice symptoms like difficulty starting, engine stalling, loss of power, or poor fuel economy, the fuel pump could be malfunctioning. Perform a fuel pressure test to check if the fuel pump is delivering the correct pressure to the fuel system. |
| 3. Replace Filters: If the fuel pump assembly includes a built-in filter, ensure that it is regularly replaced or cleaned to avoid fuel blockages. A clogged filter can cause the fuel pump to work harder, leading to premature failure. |
| 4. Prime the Fuel System: For mechanical fuel pumps, ensure the fuel system is properly primed before starting the engine. Use the primer bulb (if present) to manually prime the system, ensuring that fuel is delivered to the pump without air bubbles. |
| 5. Ethanol Fuel Considerations: Ethanol in fuel can cause damage to fuel pump components. Try to avoid using ethanol-blended fuels (such as E10) if possible, or use a fuel stabilizer to minimize ethanol's impact on the fuel system. |
| 6. Check for Fuel Leaks: Periodically check the fuel pump and lines for any signs of leaks. Fuel leaks can lead to dangerous conditions, so it's essential to address them immediately by replacing faulty components. |
| 7. Listen for Abnormal Noises: In electric fuel pumps, a high-pitched whining noise may indicate that the fuel pump is working too hard due to a clogged filter or other fuel delivery issues. Address these issues before the pump fails completely. |
| 8. Service or Replace Worn Components: Yamaha recommends replacing certain fuel pump components, such as diaphragms and gaskets, at regular intervals depending on usage and environmental conditions. Worn diaphragms in mechanical pumps can reduce fuel pressure and lead to poor engine performance. |
| Fuel Pump Assy | 2 stroke Power |
| YAMAHA 66K-13907-00 FUEL PUMP COMP | 150/200/225/250HP |
| YAMAHA 68F-13907-01 FUEL PUMP COMP | 150/175/200HP |
| YAMAHA 60V-13907-00 FUEL PUMP COMP | 200/225/240/250HP |
| YAMAHA 692-24410-00 FUEL PUMP COMP | 20/25/30/40/48/50/55/60/70/75/80/85/90HP |
| YAMAHA 6A0-24410-04 FUEL PUMP COMP | 20/25/30/40/50/55/60/70/75/80/85/90HP |
| YAMAHA 6E5-24410-00 FUEL PUMP COMP | 100/115/130/140/150/175/200/225/240/250/300HP |
| YAMAHA 6E5-24412-02 BODY 1 | 100/115/130/140/150/175/200/225/250HP |
| YAMAHA 6A0-24412-02 BODY 1 | 15/20/25/30/40/48/50/55/60/70/75/80/85/90HP |
| YAMAHA 682-24412-00 BODY 1 | 9.9/15/20/25/40/50HP |
| YAMAHA 6E5-24410-00-00 FUEL PUMP ASSY | 115/140/150/175/200/220/225HP |
| YAMAHA 648-24434-01-00 GASKET,BODY | 15/20/25/30/40/48/50/55/60/70/75/80/85/90HP |
| YAMAHA 6E5-24413-00 BODY 2 | 100/115/130/140/150/175/200/220/225/240/250/300HP |
| YAMAHA 6A0-24413-00 BODY 2 | 15/20/25/30/40/48/50/55/60/70/75/80/85/90HP |
| YAMAHA 648-24424-00 SEAT,SPRING | 15/20/25/30/40/50/55/60/70/75/80/85/90/100/115/130/140/ 150/175/200/220/225/240/250/300HP |
| MERCURY 827682T/809088T-1/808505T/808505T01 PUMP KIT, FUEL | 150/175/200/240/225HP |
| OMC JOHNSON 0397839 FUEL PUMP ASSY | 10/15HP |
| OMC JOHNSON 0438555 FUEL PUMP ASSEMBLY | 20/25/30HP |
| OMC JOHNSON 0438556 FUEL PUMP ASSY | 90/100/115HP |
| OMC JOHNSON 0438559/0388555 FUEL PUMP ASSY, UPPER & LOWER | 25/35/105/115/125HP |
| OMC JOHNSON 0438562 FUEL PUMP ASSY | 10/15HP |
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