Question about Honda 3000 Watt Portable Generator

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I have a Honda Generator 3000is that needs the float and needle replaced (took to a mechanic who took the carb apart in front of me and i saw the damaged parts). The mechanic didnt have access to the parts and i want to order them. Would it be easier to get the whole new carb instead of replacing these parts? I see that a new carb is only about $60? am i reading that wrong? would it be easier to replace the whole thing?

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I'm not sure if you can get just the float. I didn't find a listing for it. The complete carb is the way I would go. Keep the old one for parts.

Posted on Aug 30, 2011

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Why does it leak gas at carb after turned off?

Ifyour carb is leaking fuel then I would suggest that the carb float needle has got stuck open.

To fix this you need to:
  1. Remove the carb bowl taking note which direction it faces (I usually mark a line from top of the carb and down the bowl with a marker to make this easy.)
  2. Check the state of the fuel and residue left in the bowl.
  3. Slide the pin out from the float hinge (be careful not to lose any springs that might be seating the float needle.
  4. Inspect the float needle tip. It should be smooth with not scratches etc. (if yours has rubber on the tip, also be sure this has not perished.)
  5. Clean the float needle and clean the jet hole it sits in.
  6. If there was a "gunk" or dirt in the carb bowl when you took it off, remove and clean all the other removable components.
  7. Re-assemble. Making sure the air screw (brass with a spring) is set a 1.5 turns un-done from lightly done up.

If you find that the carb is still leaking, this could be due to the ethanol in the fuel, eating away the components. We do sell both Carb Repair Kits and Carbs for your Generator. You can purchase them here:

I hope this is of assistance to you. If you have any questions we are always happy to help.


Sep 11, 2015 | Dewalt 8HP 4300W Gas Generator

2 Answers

Why does the motor rpm fluctuate while running?

replace spring apparently it lost its tension for it to stay open you may also have a dirty carburetor if it does not run smoothly with the choke wide open have it serviced or clean it yourself if your mechanically inclined it should be a piece of cake.

Aug 21, 2014 | Honda Black Max 7000 / 8750 Watt Portable...

1 Answer

Honda EU 3000is only runs on half choke

Overhaul the carb. When you have to choke it to run, there is not enough fuel getting in

May 04, 2013 | Honda EU3000iS Inverter Generator

1 Answer

When my generator is off, the gas from the tank slowly mixes with the oil, this might take a few days, the float in the carb seems to be fine..... i just don't get it

hi there

this is called wet sumping !
sounds like you may need to replace the fuel needle valve and seat if its replaceable

if the float is plastic the fuel level may not adjustable

your worst case cenario is replacing the carb ? if you cannot get replacement parts
but try

type in your honda model off your engine block or plate

then go to the correct page for fuel system then order parts as needed

give it a try

cheers hope this helps pauly46

Apr 17, 2011 | Honda Electrical Supplies

1 Answer

I have a honda 3000IS generator it runs good for many hours then it starts idling up and down and quits when we restart it sometimes it runs good again or it may idle up and down and quit again any ideas...

Hi and welcome to Fixya I am Kelly. This symptom is typical of fuel starvation. It can be caused by

1. A dirty fuel filter (if installed)
2. Debris in the bottom of the fuel tank
3. Fuel shut off selector not all the way on or debris in pet-c^ock bowl. This is located on the bottom of the fuel tank.
4. Float needle assy not allowing proper fuel flow in the float bowl
5. The fuel supply line or the plastic "Y" just before the carb is cracked and air is being introduced into the system as the fuel hose swells from heat.

I really think you have a fuel supply issue. A break down can be found here of your carb:,%20JPN,%20VIN%23%20EZGF-1000001%20TO%20EZGF-1079999/CARBURETOR/parts.html

Fuel tank cap removed

You should be able to remove the angled drain screw (Item 6 above link) in the bottom of the float bowl and have fuel flow freely out of the hole. (I use spray paint can cap / lid to catch the fuel. If you can not fill the spray paint cap to the inner circle of the cap in one continuous attempt there is a problem with fuel supply ( 1 - 5 above )

If you can avoid it DO NOT remove the carb. Getting all the linkages correct during reinstallation is tedious even for seasoned techs on this generator. You can safely remove the float bowl and check for debris / give the jets a blast of carb cleaner. If you do use carb cleaner also direct a shot into the fuel hose connection (hose removed) on the side of the carb with the bowl off. The jet is in the very bottom of the center post.

PLEASE do a leak test before starting the engine with the fuel selector on. (Safety issue)

Make sure you replace the fuel tank cap before starting the generator.

Thanks for choosing FixYa.


Aug 05, 2010 | Honda 3000 Watt Portable Generator

1 Answer

I have a 3000is not starting. Has gas spark oil.

Use fresh gas! Dont just pour some on top of the old...Change it out.

Drain the carb bowl (Honda carbs have a drain screw slightly off-center of the bowl bottom).

The Honda EU3000is uses a vaccuum-operated fuel pump and old gas will ruin it also.

Take the fuel supply line off the carb inlet, direct it in a container and spin the engine over. It should pump a stream that is FULL LINE DIAMETER.

If still no start, take it to an AUTHORIZED Honda Power Equipment Dealership.
Find one here.

Hope this helps.

Sep 27, 2009 | Honda 3000 Watt Portable Generator

1 Answer

Wont start

If it sat for two years, you probably have varnish and gum buildup in the carb. You'll need to take the bowl off the carb and clean it with carb cleaner. You'll also need to spray the cleaner around the linkages and the jets inside. Be very careful taking apart the carb so you don't lose the float needle.

May 03, 2009 | Honda Ev Plus Cars & Trucks

1 Answer

Gas in the oil on my honda generator

Your needle/float is stuck, which will allow fuel to flow though the intake...past the piston..and into the crankcase. If has been awhile since you used it, most likely the gas has gummed up the insides of the carb. Otherwise, you may have had something get into the fuel bowl that is keeping the needle from closing. Best way to solve is to remove and clean the carb. Replace fuel filter if needed also.
Hope this helps

Mar 11, 2009 | Honda 3000 Watt Portable Generator

3 Answers

Powermate 5000 leaks gas from the air filter..not sure how it's getting into the air filter?

My Coleman Generator 5000w with a Tecumseh 10hp story. Mine engine finally did die before I pulled the carburator off.
On mine the float was defective. It was full of fuel! I repaired the hole in it. I removed the air filter and saw fuel pouring out the side so much that I had a jar to catch it. I removed the carburator and took the nut off the bowl to examine the float. Then I removed the pin holding the hinged end of the float. Carefully pulled it out with the needle valve attached. When I removed the needle valve (just slides on mine) it was free to test. I tested by shaking it near my ear and I could hear the fuel inside the float. Mine was brass or copper. I wiped mine off with a napkin and finally found the hole. I drained the fuel by polking a needle sized hole and removed the fuel. I then soldered the hole shut with using just electronic 60/40 resin solder and a small soldering iron. Mine works like a champ now.

Mar 08, 2009 | Coleman Powermate Powermate 5000W...

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