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I have an Adly 300 crusader and my carburetor is pouring fuel out the bottom running or not running as soon as I turn the petcock to ON it floods too much gas in the carburetor what do I do

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Similar issue at this site:

dly 300 Crusader flooding issue

Also issues of flooding for ATV's can be found here:

Posted on Apr 13, 2015

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2002 Vulcan 1500 Classic has fuel pouring from the overflow tube that leads from the carb and routes down by the battery.

bad needle for the float control
there is a small rubber insert on the needles and over time it dries out and cracks

Apr 12, 2017 | Tank Motorcycles

1 Answer

I have rebuilt the engine on my Piaggio MP3 125 and I can't get it running

Hi, Stephen and the usual suspects are:
1. Fuel tank empty.
2. The fuel tank has old dead gas.
3. Fuel tank bottom contaminated with ethanol sludge, dirt, water, rust, etc.
4. Fuel supply valve/petcock turned off.
5. Fouled spark plugs.
6. Engine flooded as a result of overuse of the enrichner.
7. Vacuum hose to the fuel supply valve/petcock disconnected, broken, cracked, or pinched.
8. Fuel valve/petcock or filter clogged.
9. Fuel line to carburetor or throttle body pinched, kinked or blocked.
10. Carburetor float stuck.
11. Fuel injectors clogged.
12. A severely discharged or damaged battery, you need 12.5 volts or better and be able to pass a load test if necessary.
13. Check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
14. Loose or corroded wire connection at the coil or plug between ignition sensor and ECM module.
15. Spark plug cables in bad condition and shorting check for spark leakage in the dark, cable connections loose, or connected to the wrong cylinders.
16. Ignition timing incorrect due to a faulty ignition coil, ignition module or MAP, CMP, CKP, O2, TPS, ETP, IAC sensors.
17. Faulty neutral, clutch lever, or kickstand safety switch.
18. Faulty fuel pump or fuse or relay.
19. A stuck bent or burnt valve.
20. Tilt sensor needs a reset.
21. Security system not disarming alarm needs a reset.
22. Check for engine trouble codes.
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.
Piaggio MP3 500 Won start
piaggio mp3 300 wont start
PIAGGIO MP3 125 User Manual

Mar 04, 2017 | Piaggio Motorcycles

2 Answers

Why does gas pour out of my harley davidson mikuni carburator?

you probably let your bike sit for a while and your float is stuck in the carburetor,so try tapping lightly on the carburetor bowl at the bottom to see if it stops flowing .anyway it goes you probably looking at taking carburetor off and cleaning it out

Dec 21, 2014 | Harley Davidson Motorcycles

1 Answer

2002 thunder bike do not roni have spark and gas

Hi Ruben, and the usual suspects are:
1. Fuel tank empty.
2. Fuel supply valve/petcock turned off.
3. Fouled spark plugs.
4. Engine flooded as a result of over use of enrichner.
5. Vacuum hose to fuel supply valve/petcock disconnected, broken, cracked, or pinched.
6. Fuel valve/petcock or filter clogged.
7. Discharged battery, loose, corroded or broken battery terminal connections especially the "NEGATIVE" cable inside the harness at both ends.
8. Loose or corroded wire connection at the coil, battery or plug between ignition sensor and module.
9. Spark plug cables in bad condition and shorting, cable connections loose, or connected to the wrong cylinders.
10. Ignition timing incorrect due to faulty ignition coil, ignition module or sensors (MAP, CMP CKP and/or BAS).
11. Sticky or damaged valve or pushrod wrong length.
12. Primary cam sprocket spline sheared or missing spacer.
13. Security alarm needs a reset.
For more information about your issue, please visit the websites below. Good luck and have a nice day.

Sep 08, 2013 | 2007 Adly Thunder bike 50

1 Answer

Fuel is flooding the carburators. Needle and seat seem to be working, but i have gas coming out the exhaust. is the fule regulatar bad and Am i building too much fuel pressure. As soon as i turn the key...

Your issue is probably bad fuel petcock diaphragms. The fuel is by passing the float needles and running through the vacuum lines into the intake manifolds.

May 04, 2011 | Yamaha V Star 1100 Silverado Motorcycles

2 Answers

About after a min of the bike running gas starts flowing into the air box, its alos getting into th oil

First check to see if the oil level in your crankcase is too high. If you have a vacuum petcock malfunction (hole in the diaphragm) or if the fuel petcock is left in the prime position and a float needle sticks, then you get you get gas running into the cylinders, past the rings, and into the oil.
When you start your motorcycle the oil/gas mixture has no place to go, the crankcase is too full, and the mixture exits through the crankcase breather into the air box where it will ruin a paper air filter. Always turn your fuel petcocks off when not driving. If the petcock diaphragms are bad rebuild the petcock with K&L rebuild kits or replace the fuel petcocks with new ones. If the float needles in the carburetors are bad or sticking, take the carburetors apart, clean them, and replace any worn or damaged parts You will have to change your gasoline saturated oil for it will no longer properly lubricate your motor.
Just a note: in 1983 brand new Honda's would fill there engines in gas. All the components were clean and new. This can happen to any machine in any condition at any time. When not riding always turn off the fuel vales never leave them in the prime position.

Mar 21, 2011 | 1982 Yamaha XS 400

1 Answer

Working on a friends 81 yamaha 650xs. I removed and cleaned the carbs and put them back on but can t remember how the T hose from the petcock to the carbs hook up. Can someone help me

The petcock on these bikes is vacuum operated, which means that there are two hoses that go to it. The thicker hose is the fuel line and it runs from the thick port on the petcock to the fuel input on the carburetor rack. The fuel input on the carburetors is located between the number two and number three carburetor bodies. If you aren't sure which is the fuel connection, just turn the petcock switch to prime for a second and you will see gas come out of the fuel connection.

The thinner hose on the petcock is a vacuum line. It runs from the vacuum port on the #3 cylinder (between the carburetor body and the engine) up to the smaller connection on your petcock. When the engine is turning vacuum is applied to this thinner line and allows fuel to run from the tank into the carburetors.

There are the only two lines that should run to your petcock, and the fuel line should not be split anywhere between the petcock and the carburetors.

Good Luck,

Feb 24, 2011 | 1981 Yamaha XJ 650

1 Answer

Hi, Just bought a 2nd hand petrol lawnmower today on eBay and found that when adding fuel it leaks badly from the carburetter/primer area.. Whether primed or not. The mower is only 6 months old and in very...

The likely problem is a cut or abraded fuel line.

You likely will need to remove the plastic or metal engine cover to gain access to the run of the fuel line. Dry the area thoroughly and add fuel slowly watching for any leaks. Most leaks occur at the carburetor or at the fuel tank where it meats the fuel hose. A clamp should be used at both ends.

If this is not the problem, look closely at the fuel petcock on the bottom of the fuel tank. If it attaches with a screw, it may have a gasket that is leaking.

If the engine is a Tecumseh, look closely at the bowl at the bottom of the carburetor (if so equipped). There is often a bowl drain that has an O-ring that can become dislodged.

Sounds like a pretty easy fix as long as you can isolate the issue.

Sep 28, 2010 | Garden

1 Answer

My wr 360 ran out of fuel couldent get it on reserve in time now it wont start keeps flooding it self any ideas most thanks dom

I'm going to assume 'flooding' means gas is pouring out of the carburetor.
Chances are when you ran low on fuel some dirt got pulled into the carb & is holding the needle valve open.
You can try tapping the carb bottom with a mallet - sometime this will free-up a sticking needle valve.
IMO what is needed is to remove the carb and clean/blow everything out and reassemble. BE CAREFUL not to bend anything - esp the float.
When putting pack together check the petcock, gas tank and any air/fuel filters for contamination and act accordingly.

Dec 14, 2009 | 2002 Husqvarna WR 360

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