Honda EM5000SXK generator fuel delivery - Power Equipment Forum : Power Equipment Forums
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post #1 of 11 (permalink) Old 10-28-2018, 08:57 AM Thread Starter
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Honda EM5000SXK generator fuel delivery

New owner of a Honda generator. Wondering if there is a fuel pump on board or is the fuel delivered via gravity?
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post #2 of 11 (permalink) Old 10-28-2018, 12:39 PM
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Most generators with gas tanks mounted above the engine will be gravity-fed.

Can you see the fuel line from the tank to the carb? If it goes straight to the carb, it is likely gravity-fed.
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post #3 of 11 (permalink) Old 10-28-2018, 03:34 PM
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Per the parts diagrams here: Honda Power Equipment - Parts Look Up - Official Site
does not appear to have a fuel pump. Looks like the line goes from tank to emissions canister to carburetor.
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File Type: jpg Tank.jpg (230.3 KB, 3 views)
File Type: jpg Canister.jpg (100.7 KB, 2 views)
File Type: jpg Carburetor.jpg (221.0 KB, 3 views)
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Last edited by tabora; 10-28-2018 at 04:21 PM.
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post #4 of 11 (permalink) Old 10-28-2018, 04:53 PM Thread Starter
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Thanks for the replies. I have a service manual and upon reading through it, found no mention of a fuel pump. I thought it was gravity fed, just wanted to make sure.
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post #5 of 11 (permalink) Old 10-28-2018, 05:40 PM
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If you'll forgive my curiosity, why are you trying to find out? Troubleshooting a fuel-delivery problem? Or something like adding an extended-run fuel tank?
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post #6 of 11 (permalink) Old 10-28-2018, 07:31 PM
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Quote:
Originally Posted by RedOctobyr View Post
Or something like adding an extended-run fuel tank?
Hopefully not this reason... The built-in tank will run it for between 8-12 hours. After that, you should probably check the oil level and air filter while the engine cools down, then refuel and restart for the next tank-full. A serviced generator is a happy and long-lived one.
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Last edited by tabora; 10-28-2018 at 07:33 PM.
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post #7 of 11 (permalink) Old 11-12-2018, 07:45 AM Thread Starter
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I've had starting issues this year. I have had the generator since 2012. I have maintained it properly and run it at least an hour twice a month during this period. All of a sudden it would not start. I've drained the gas tank and put new fuel, new spark plug and changed the oil. The reason I drained the tank is to have fresh gas in there. Previously, I left the tank at least 1/2 full to avoid problems with condensation in winter months. I used stabilizer at all times. I took the air cleaner apart and cleaned it. Also sprayed starting fluid in the carb chamber and it started right up. Next, I checked all fuel lines - fine. Took the carburetor out and cleaned it and blew out the chamber. Put everything back together, and it started right up. Only problem is it shuts off once the motor gets to the point where it smoothes out. So, it runs for approximately 5 minutes and shuts off. Any suggestions?
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post #8 of 11 (permalink) Old 11-12-2018, 12:11 PM
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Verify that the oil level is correct & then disconnect the low oil sensor and see if it keeps running. If so, the sensor probably needs replacing (35480-Z5T-W01).
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post #9 of 11 (permalink) Old 11-12-2018, 02:31 PM Thread Starter
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Thanks. I will give that a try later on and will post if I have success. Hard to keep at this due to having to be a care giver for my 100 yr old mother.
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post #10 of 11 (permalink) Old 11-17-2018, 05:13 PM Thread Starter
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ok, I have completely taken carb apart and cleaned all orifices, main jet, distribution needle and chamber. Fuel is flowing well into carb. Oil is at the proper level. It starts, but runs rough with a lot of smoke. It only runs at full choke, too. Moving choke lever shuts down engine. I'm on level ground and wondering if it is time to bring patient to the hospital.
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