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Leaking gas out of hose that goes down to battery area when running

Theres a fuel block or something where the gas lines goes to carbs and another hose that goes down by battery that leaks gas when bike is running

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The hose that goes down by the battery should be an overflow drain.

Posted on Apr 05, 2015


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Hi, I have a 13.5hp Briggs & Stratton motor which starts and will only run on choke slow rpms and mild smoke.

check the point where the fuel hose goes to the fuel tank
there is very fine filter in the hose that could be blocked preventing full fuel flow
only running on choke indicates insufficient fuel flow

Apr 02, 2017 | Briggs & Stratton Garden

2 Answers

Where gas line goes to carborator

It will run from the fuel tank to the carb - if you have a tap just follow that hose down to the carb thats the fuel line

Jan 30, 2015 | GAS Motorcycles

2 Answers

Does my older lowes mtd riding mower have a fuel pump?

If it is a Briggs Twin it is part of the carb , if not it will be a vacuum pump somewhere close to the engine because it is driven by a vacuum hose hooked to the block . As the piston goes up and down the pulse of the vacuum moves a diaphragm in the pump to move the gas from the tank that is lower then the carb .
briggs and stratton fuel pump fix

May 03, 2014 | Mtd Garden

4 Answers

The hose is on the side of the gas cap and it runs down to the bottom of the quarter panel. When I filled the gas tank up, gas comes out of this hose. We just had the fuel pump replaced. Its not leaking...

There are normally two hose lines from the fuel filler that run to the tank. The larger one carries the fuel from the nozzle to the tank. The smaller one is a vent hose that allows vapors to leave the top of the tank while filling. These vapors come back to the nozzle area and can be vented and/or collected by the nozzle depending upon air pollution standards in your area. If your second hose is running to the bottom of the quarter panel, it is probably the vent hose that may not have been reconnected at the top of the tank when the fuel pump was replaced. The fuel running down there is from kickback fuel at the time the pump shuts off. The real problem is that the vent line is open on top of the tank and when the tank is full, that can allow vapors and fuel to escape out of there and it could contact hot exhaust areas - a major fire or explosion hazard. Have this inspected and repaired IMMEDIATELY.

Nov 05, 2013 | Ford Mustang Cars & Trucks

1 Answer

Gas is leaking badly from a hose coming from the

Check and replace fuel hose from the pump line to the manifold and ensure that it is tight . Check return line from the regulator is tight. Check that the injectors are all tight and the seals are not leaking.

Oct 12, 2013 | 1991 Isuzu Amigo

1 Answer

My chainsaw carbarator is not getting gas. model# 358357230

Chainsaws have all position diaphram carbs, this is because it has to work in all positions, one side of the carb will have a pump diaphram, this is actuated by a positive and negative pulse from the piston riseing and falling ( there will either be an impulse pipe from the crankcase to the carb, or a hole in the induction block and gaskets to achieve this ) the other side of the carb will have a metering diaphram, a needle and jets, this takes the place of a float bowl on a normal carb, as the engine is cranked the pump diaphram pulses, this in turn draws fuel from the tank via the fuel hose and filter. So if there is no fuel in the line, either the filter in the tank is blocked, or the hose is trapped,split or leaking, or you have no impulse to the carb.

Jan 02, 2013 | Garden

1 Answer

1973 chevy truck vacuum diagram 350 crate engine, 650 edelbrock carb, turbo 400 trans, 4x4, 3/4 ton truck. need all the info i can get please. electrical diagrams, vacuum lines, etc. please and thank you....

Pretty sure I have the diagrams etc but they are buried away and would take a week to find.
BUT: The setup on that engine for that year is fairly uncomplicated and you could pretty much do away with all the emission controls etc and get the engine running really well. (just block off all vacuum ports on the manifold and carb except for the one to the transmission and power brake booster) I'm not really familiar with the edelbrock carb (looks like they are based on the old carter AFB carb though. I am partial to holley carbs, and the old quadrajet carbs)
What you need to check first though is your fuel pressure and delivery. You should be seeing 5-7 psi at the carb. With the fuel line disconnected, and attached to a rubber hose diverted into a container, you should see at least a gallon of fuel pumped at idle before the carb runs out of fuel. Make sure you don't have any leaks in the fuel line coming from the tank...with a pull type pump (mechanical pump on the engine) a leak often will not drip, but will allow air to be drawn into the line while running. Make sure that if your carb has a filter in the fuel inlet, it is clean. Make sure that the fuel line filter (sock) in the tank is also clean.
It's likely you have an egr valve on the manifold, If so, you can temporarily block it off with a small piece of metal from a soda can installed between the valve and the manifold. That will prevent it from working and if it has any leaks, blocking it off will eliminate it from the system. If that helps, replace the valve.
Your ignition system is fairly simple. a single 12 volt lead goes to the battery side of the distributor. You can block off the vacuum advance temporarily and just set the initial timing at about 8 degrees advanced. (depending upon fuel quality, you can go as high as 12) . The ignition module is not "testable" usually though they either work or they don't )
You do need to check the wires that attach to the pickup under the mount plate to make sure they are not partially broken and grounding when the advance moves the plate.
Back to your carburetor... If you are test driving without the air cleaner housing in place, it is possible that if there is a heat pad mounted to the underside of the hood, it can get drawn down against the carb inlet and cause problems. If the air cleaner housing is in place, make sure that the inlet door in the snorkel is opening or, disconnect the vacuum hose going to it as default on those is wide open. If you have tried everything I've outlined, you may have to go inside the carb and make sure that the power valve isn't frozen or that the float level isn't set too low.
Once you get it running right, you can begin to look for the diagrams etc you are looking for, but at least it will be running and usable.
The only other item that could give you a problem like the one you have is if the cam timing was set incorrectly at the factory (doubtful but it can happen) but I really would not worry about that just yet.
Hope something here helps!!! Good luck!

Aug 01, 2010 | Chevrolet 2500 Cars & Trucks

1 Answer

I have a 1998 Goldwing, the fuel is running from the catch area for fueling out one of the drain hoses. there is a diaphram or something like that in front of the fill cap and it is leaking fuel. How do...

Carbs on that machine ?.You may have a bad/leaking needle and seat in carb,a bad fuel line ,have overfilled with gas.You need to get the covers off to get a good look at it.

Oct 06, 2009 | 1989 Honda GL 1500 Gold Wing

1 Answer

Honda 750 shadow gas leak

It is a vent / overflow hose. It drains to the atmosphere / street. If gas is coming out and isn't stopping then a float is stuck.

Turn off the gas and drain the offending carb(s). Next, turn the gas back on and sharply tap the float bowl with the plastic handle of a screwdriver as the fuel bowl refills. The goal here is to vibrate the float to free it up. If doing this process a couple of times does not free the float I would remove the carb(s) and look for any misalignment of float pin, needle or adjusting tang.

Now re-clean with a spray carb cleaner. Clean the air filter then re-mount carb(s). Next, Remove the water trap bowl at the bottom of the petcock, (gas valve). Dump it, clean it and re-mount it, ( not all bikes have a trap bowl ). INSTALL AN IN-LINE FUEL FILTER..

Apr 09, 2009 | 2005 Honda VT 1100 C Shadow Spirit

2 Answers

A Fuel leakfrom a hose from the carb.

that hose is a carb vent, the end looks flared from gas and the fumes it emits, when you plug it up the bike quits running because the carb thats hooked to that line is flooding the engine the float is stuck or has trash keeping it from working right take float bowl off to find out why please give us a rate

Jan 01, 2009 | 2001 Suzuki VZ 800 Marauder

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