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BIKE WONT START FUEL STUCK IN FUEL INLET OF CARBURETOR

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The float is stuck in the closed position. Remove the float bowl on the bottom of the carb and spray carb cleaner at th float needle. Gently lift the float upward then let it drop. Repeat this several times until the fuel flows when the float is dropped and stops when the float us lifted upward. Please rate my answer. Thanks! Below is a generic diagram. BIKE WONT START FUEL STUCK - tombones49_13.gif

Posted on Mar 25, 2011

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Hi. I have a Kawasaki zzr400. Had the carbs set. Now bike does not start. Sounds like no fuel going through. What might it be.


Hi, Anonymous always check fuel flow first to isolate the problem area otherwise the usual suspects are:
1. Fuel tank empty.
2. Fuel cap or fuel tank not venting properly.
3. Fuel filter clogged with rust or dirt.
4. Fuel valve/petcock not in the on or reserve position.
5. Vacuum line to fuel valve cracked, broken, pinched, or missing*
6. Fuel valve/petcock clogged or diaphragm cracked, cut or torn*
7. Fuel line from the fuel valve to the carburetor or fuel pump clogged, cracked, pinched, bent, broken, or missing.
8. Fuel pump not working*
9. Fuel line touching cylinder or head causing fuel to boil and vapor lock, repair by rerouting and wrapping line with convoluted tubing.
10. Carburetor inlet clogged.
11. Carburetor float or needle and seat stuck.
12. Carburetor not venting properly overflow line or bowl fitting clogged, pinched, or bent.
* If equipped or applicable.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have nice a day.
Zzr 400 carb and starting problems Kawasaki Forums
http://www.zzr-rg.co.uk/forum/viewtopic.php?t=7322
Kawasaki ZXR400 Service Manual Supplement
OEM Parts for Kawasaki
Owner Manuals Service Manuals Kawasaki Vehicles

Dec 29, 2016 | kawasaki ZZR 400 Motorcycles

1 Answer

Fuel inlet to float bowls won't allow fuel to enter


Hi, Tony always check fuel flow first to isolate the problem area otherwise the usual suspects are:
1. Fuel tank empty.
2. Fuel cap or fuel tank not venting properly.
3. Fuel filter clogged with rust or dirt.
4. Fuel valve/petcock not in the on or reserve position.
5. Vacuum line to fuel valve cracked, broken, pinched, or missing*
6. Fuel valve/petcock clogged or diaphragm cracked, cut or torn*
7. Fuel line from the fuel valve to the carburetor or fuel pump clogged, cracked, pinched, bent, broken, or missing.
8. Fuel pump not working*
9. Fuel line touching cylinder or head causing fuel to boil and vapor lock, repair by rerouting and wrapping line with convoluted tubing.
10. Carburetor inlet clogged.
11. Carburetor float or needle and seat stuck.
12. Carburetor not venting properly overflow line or bowl fitting clogged, pinched, or bent.
* If equipped or applicable.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have nice a day.
http://www.raptorforum.com/forums/108-raptor-250-discussion/78391-carb-plugged-bowl-not-filling-bike-won-t-fire-except-w-starting-fluid.html
http://www.zipware.org/ for the next link
https://www.vulcanrider.se/en/kawasaki-vulcan-service-manuals
Kawasaki VN750 Manual and Parts pdf Document Viewer
OEM Parts for Kawasaki
http://mybikemanuals.com/kawasaki/kawasaki-vulcan-owners-manuals

Nov 22, 2016 | kawasaki VN 750 Vulcan Motorcycles

1 Answer

Wont start. I have no fuel pulling through the fuel filter. It will start with starting fluid but only until it burns off


If this is an OHV (overhead valve engine) it will likely have a fuel pump attached to the valve cover.

Remove hose from inlet side of pump and confirm fuel will flow from tank through inline filter. If OK then we need to check the pump. If not check for cracked hose or broken fitting at the tank.

Disconnect hose at carburetor and reconnect hose at inlet side at pump.

Connect a hose to hose removed from carburetor. Prepare a container to catch gas.Crank engine. If Joy and gas is pumping out then one of two conditions are true.

The needle valve that allows fuel to enter carburetor is stuck closed or carburetor is fouled from residue left over after previous operation.

Hope this helps?
26112307-yk5o0ptekqa4djxf5hogbx4b-5-0.jpg

26112307-yk5o0ptekqa4djxf5hogbx4b-5-2.jpg

Feb 28, 2016 | Garden

1 Answer

I was riding my bike and came to a stop it shut down and started to leak gas out the air intake now it will not start. What do I need to check to fix this issue


The floater is stuck 'open'

Fuel dumping out of carbs / overflow- 1998 gas flowing freely ...

www.cbrxx.com > ... > Engine / Airbox / Exhaust / Fuel Delivery

Sep 18, 2011 - 15 posts - ‎5 authors
It will start / idle - sort of, but dumps gas out of the overflow/ carbs. I. ... If the carbs are over flowing while the motor is shut down one might ... to the bowls with outremoval of the fuel tank and maybe the air box or a ... valve/ petcock diaphragm drain line you see leaking below the bike. ..... Motorcycle Forum ...

What is wrong with my carburetor? - Instructables

www.instructables.com/.../What-is-wrong-with-my-carburet...

InstructablesApr 24, 2012 - Shut off the fuel line, drain the fuel from the carb, disassemble and verify the correct ... Then I started to notice fuel coming out of the carb intake. ... the carb (blew air thru the fuel inlet), turn the carb over (float upside down) valve ... Carb still leaking gas at the intake connection, where the choke is located.

How to diagnose carburetor vacuum leaks on your motorcycle

? 4:41
https://www.youtube.com/watch?v=XzjSEYB9RDU
Feb 2, 2011 - Uploaded by mrmaxstorey
Not only did we have vacuum leaks, but the baffles were takenout of the engine, and the previous owner had removed the airfilter and ...

Carburetor / Carb Leaking Gas? How to Fix / Repair it ...

? 5:42
https://www.youtube.com/watch?v=gbfMEYG8NvM

Dec 26, 2015 | GAS Motorcycles

1 Answer

Baja 96cc mini bike wont start. Ran last year. Cleaned carb, replace plyg, fresh gas.... Wont start..? Help...


Remove the float bowl from the carburetor and check to make sure the float needle valve is not stuck in the closed position or clogged. If it's stuck or clogged, the bowl won't fill and fuel will never make it to the combustion chamber.... IT WON'T RUN!!! LOL!!! Good luck! Hope I was able to help. Bill

Aug 01, 2014 | Motorcycles

1 Answer

Cyl fills up with gas after shut down to re-start must remove plug drain cyl re-install plug then mower runs fine??


Sounds like the inlet needle in the carburetor is stuck open. If you are lucky, you can give the carburetor a few taps near the fuel inlet area. (A few taps doesn't mean hitting it with a sledge hammer.) If that doesn't work, remove the fuel supply line from the carburetor and give the fuel inlet on the carburetor a shot of compressed air.
If the problem still persists, you need to replace the carburetor inlet needle and seat and be sure the float level is correct. I am assuming that you have not had the carburetor off and have not changed the carburetor float level.

Mar 24, 2014 | Craftsman 20 hp 42 in. Deck Lawn Tractor -...

1 Answer

110cc suzki wont stay idling


Hi, Mark and the usual suspects are:
1. Idle circuit and transfer ports clogged.
2. Air fuel mixture adjustment too lean.
3. Pilot jet clogged.
4. Faulty accelerator pump.
5. Float level too low.
6. Float bowl contaminated old fuel, water, dirt, rust, etc.
7. Float bowl vent or overflow tube clogged.
8. Fuel flow to carburetor restricted.
9. Intake manifold leak.
10. The gas cap is not venting properly or fuel tank venting system blocked.
11. Vacuum line from intake manifold to petcock broken, cracked, or not attached, carburetor vent line plugged.
12. Needle and seat stuck closed in the float bowl.
13. Multi carburetors not in sync.
For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
DRZ 110 wont stay running
How to fix dirt bike that wont idle
Kawasaki KLX110 Service Manual
OEM parts for Suzuki
http://mybikemanuals.com/suzuki

Jun 12, 2017 | Suzuki Motorcycles

1 Answer

Hi I have a 110 pit bike it starts first kick but fuel dribbles out from the over flow pipe at the bottom of the engine also plug gets black after every ride any ideas


Hi tim laura...
You have some trash/debris in your carburetor inlet valve.
It is not allowing the needle to make a complete seal and this is allowing the carburetor to over fill and flow out of the over flow pipe.
Clean your carburetor and check your tank for debris/trash also to stop this from happening again.
You may even put a filter in the line from the fuel tank on the bike to the carburetor.
Once you have your carburetor cleaned that should solve your overflow problem.
Please take time to rate me

Aug 23, 2011 | Pit SSR 110CC Pro Beginner Bike

1 Answer

Bike starts ok. then I get gas pouring out of where my air filter is and the bike stops.


There is a float system in the carburetor that acts like a shut off when the carburetor has enough fuel in the float bowl. Fuel flows through the inlet through a needle and seat (float valve) to fill the bowl, when the needle and seat gets worn enough, fuel will seep past the needle even if there is plenty of fuel in the bowl. The fuel will leak into the air cleaner as well as the cylinder. Check the oil level on the bike as well, excess fuel will run into your crankcase.

Aug 04, 2011 | 1987 kawasaki ZL 1000 A1 Eliminator

1 Answer

I have a gvc 160 honda motor on a troybuilt lawnmower. It is brand new. Went to start it for the first time and it shoots gas out of muffler and wont start,


Hi rick2624...
You have a stuck fuel inlet needle valve and it is allowing gas to flow thru the carburetor right into the cylinder and out your muffler.
You have a choice to make...
1. Remove the carburetor and clean it of the trash/debris around the needle.
2. Tap the carburetor with a small hammer around the bowl area and sometimes this will free a stuck needle valve.
3. Return the mower to the dealer you bought it from if still under warrenty.
Free answer...Please take time to rate me

Jun 20, 2011 | Honda Garden

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