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Fuel continuously runs through carb. when engine is shut down- this is on a honda ex1000

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Check the carburetor float shutter.

Posted on Jun 14, 2010

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Is there a low speed jet adjustment on a honda ex1000 generator(ea4-1212412


You have dirt in the carb, remove it and rebuild it and blow out all the passages with compressed air.

Mar 15, 2017 | Honda Portable Generator Model Ex1000

1 Answer

My 4514 Honda has a snow blower for the winter . It keeps stalling and the fuel pump never shuts off so I guess isn't pressurizing . I pulled the fuel line at the carb & it is pumping gas ....


sounds as if there is sticky gum in the carb that is keeping the float from seating unless it is hot enough to unstick. Take the carb bowl off and examine it for gum (real old gasoline will do that.

Feb 02, 2015 | Honda Cars & Trucks

1 Answer

Carburetor leaks after engine is shut off


Your carbs bowl float is sticking allowing the gas to continue to flow when the engine is not running.And if you say it is ruining into the engine..check the oil for the presence of gas..if so change the oil,oil filter and remove the plugs and cover the tips to stop spark..turn the engine over to blow gas from the cylinders using a rag to catch the fluid...now to the fix..either take the carb apart and clean all the parts but there is no way to know if this will happen again..this has happened to my Husky. The best and easy fix is to install a inline fuel shutoff valve..where you can get at it easily...Just shut it off and let the engine use up the carb fuel..and when you start it again turn on the shut off valve let it set until the carb gets full about ten seconds..then start the engine...just got to rmember to do this every time you shut it down...works well for me...good luck.

Feb 06, 2014 | Briggs & Stratton Garden

1 Answer

13 HP Engine GX390 OHV Horizontal Shaft. runs perfectly fine/pressure fine for 2 to 3 minutes then shuts off. Have to restart over and over and over. Checked oil, no smoke, took air filter off, cleaned...


Check that the fuel tank is not creating a vacuum. this will starve the engine. After it shuts down the vacuum dissipates and lets the fuel run into the carb again.

Sep 10, 2013 | 13 HP Engine GX390 OHV Horizontal Shaft

1 Answer

What can cause fuel stoppage into the carb from the fuel bowl? Mod. EX 1000. Got spark & fuel. Will run if gas squirted into carb.


If the fuel bowl is full of gas the needle seat assembly may be at issue. Make sure the float level is correct. If set too low, the seat will close and not allow fuel to pass through. A carb rebuild may be in order.

What type of Honda is this? Not sure what an EX1000 is. Is it a motorcycle?

Nov 24, 2011 | Honda Cars & Trucks

1 Answer

Generator runs for about 10 minutes and then stops like it is running out of fuel. 5500 NorthStar with Honda motor. Waned fuel tank and lines, had carb. Rebuilt and cleaned all out with carburetor cleaner....


It appears you have eliminated all of the fuel related issues. That would leave the generatoor safety circuits as a possible reason for the unit shutting down.

The Low Oil Level Sensor is the major reason that generators shut down when your sure there is not a fuel supply problem. Make sure the unit is fully servied with OIL. If the problem persists disconnect ONE wire from the low oil level sensor and see if the problem persists. If you still have the problem inspect the black or green wire from the Start run switch all the way to the Air shroud on the engine looking for signs of chaffing.
If you can not find anything then you will have to re-focus your attention on the fuel system once again. If you have a solenoid on the base of the carb.. the solenoid can be WEAK and stop remaining open once hot. This will cause the engine to lean out and die.
You should also check fuel flow to the carb. The flow should fill a spary paint can lid in under 10 seconds to the point your worried about it overflowing. Most honda engines have a metal sediment bowl under the fuel selector. Remove the sediment bowl and dump the contents. Check fuel flow again.
- Carb. With the float bowl removed fuel selector ON check fuel flow again by holding a spray paint can lid under the float. It must fill up in about 10 seconds to the point your worried about over-filling the lid. If you do not have a good flow rate here the float needle float needle rubber seat and the fuel manifold are the prime suspects.

I know this generator has the Honda GX270 engine. Some have solenoids (Item 49 this link)
http://www.boats.net/parts/search/Honda/Engine/0/GX270%20VPX5%20ENGINE,%20JPN,%20VIN%23%20GCAB-2000001%20TO%20GCAB-9999999/CARBURETOR%20(2)/parts.html
^- No details!

Honda engines by model and VIN can be found here:
http://www.boats.net/parts/search/Honda/Engine/0/parts.html

At this time I think the low oil level sensor (sending uint) may be the culprit causing your problem.
Item 2 this link:
http://www.boats.net/parts/search/Honda/Engine/0/GX270%20VPX5%20ENGINE%2C%20JPN%2C%20VIN%23%20GCAB-2000001%20TO%20GCAB-9999999/CYLINDER/parts.html

Thanks for choosing FixYa,
Kelly



Sep 16, 2011 | Electrical Supplies

1 Answer

Was running fine till ran out of gas ........fill tank up ...try to restart it .......wont start replaced plug ........still no go .


Recurring issues with honda engine no start. Engine was thought to be out of gas however engine was actually shut down by oil alert. Check/change oil to reset, or unplug wire from oil alert and check engine. Vacuum in fuel system due to faulty fuel cap. Loosen cap to allow air in tank. Water in fuel. Water will condense out of the fuel in fuel container and will be introduced into tank. Water is heavier than fuel and will enter carb bowl. Check engine fuel tank with flashlight for signs of water, remove fuel bowl (shut off fuel) and clean. Spark plug is rarely issue, however could be wet from too much choke. Good luck

Sep 11, 2010 | Honda Pressure Washer PSI 3000

1 Answer

Honda ex1000 will not start--does not appear to be getting gas--manual says to clean the fuel strainer and fuel line--I see the line, but where is the strainer


I believe the one they are referring to is the one at the fuel valve assembly. (Fuel Shut-Off) You could pull it apart to clean it out or pull the line off and blow compressed air through back towards the fuel tank.

Basically if you have fuel in the fuel bowl but your not getting fuel to the cylinder then its most likely your fuel jet in the carb thats clogged.
When you pull the fuel line from the carb fuel should flow freely out of it as long as your fuel valve is open. If you don't have fuel in the carb float bowl then start pulling your line apart until you find where the blockage is.

Hope this helps, please let me know.

Nov 21, 2009 | Electrical Supplies

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