Why does backfiring on a Harley Davidson cause a fire?

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Why does backfiring on a Harley Davidson cause a fire?

Excessive backfiring can also emit small flames from the exhaust, which can cause a fire. Many of the Harley-Davidson’s that have excessive backfiring have bad mileage because the fuel is being wasted. The fuel is supposed to be ignited inside the bike’s combustion chamber.

Why does my Harley Davidson bike not start?

If the engine doesn’t crank, it could be because of a failure at any of those stages, a weak battery, or a bad starter. If the motor cranks and still won’t start, then it is likely a fuel or spark issue. A few tests can be performed to quickly track down the problem.

Are there any problems with the Sportster 883?

Only real problem not caused by me was the stator went out. It’s basically bulletproof. Don’t worry about it. The only thing I’d look out for (and it’s not a problem – just a FYI) is that the new ones have shitty exhaust.

Why do some of my Harley Davidson lights burn out?

Harley’s have a bad reputation when it comes to electrical problems such as bulb burn out. While this may seem like only a maintenance issue, some Harley’s bulbs have been installed improperly. Bulb burnout exposes a rider safety problem resulting from signals and brake lights malfunctioning.

What happens when you backfill a Harley Davidson?

Although backfiring isn’t all that bad for a bike, it can cause other problems. When in a confined space, the backfiring can damage hearing. Excessive backfiring can also emit small flames from the exhaust, which can cause a fire. Many of the Harley-Davidson’s that have excessive backfiring have bad mileage because the fuel is being wasted.

What should I do if my Keihin bike keeps backfiring?

On the stock Keihin, you have to remove the float bowl. If its a carb. bike check the vacuum line that runs from the fuel petcock to the carb. Make sure it has a good connection on both ends . So, after cleaning the spark plugs and dumping in a can of HEET, the bike is running great. I really appreciate all your advice, everyone.

When did my Wife’s Harley start to misfire?

My wife’s 2005 FLHTCUSE2 began to develop problems a few weeks ago. After a short ride, we stopped for her to get gas. On the way home, her Harley started to misfire and run poorly. I lost sight of her so I pulled over. After about 15 mins she showed up and said her bike would not stay running.

Excessive backfiring can also emit small flames from the exhaust, which can cause a fire. Many of the Harley-Davidson’s that have excessive backfiring have bad mileage because the fuel is being wasted. The fuel is supposed to be ignited inside the bike’s combustion chamber.

Although backfiring isn’t all that bad for a bike, it can cause other problems. When in a confined space, the backfiring can damage hearing. Excessive backfiring can also emit small flames from the exhaust, which can cause a fire. Many of the Harley-Davidson’s that have excessive backfiring have bad mileage because the fuel is being wasted.

On the stock Keihin, you have to remove the float bowl. If its a carb. bike check the vacuum line that runs from the fuel petcock to the carb. Make sure it has a good connection on both ends . So, after cleaning the spark plugs and dumping in a can of HEET, the bike is running great. I really appreciate all your advice, everyone.

What to do if your Evo backfiring is missing?

Checked the compression, checked the pushrods and the valves to see if they were opening. Put in new exhaust seals. Checked the timing, checked the coil. The VOES is working correctly. I’ve got good fuel flow. I even put another CV from my buddy’s bike on and no difference. Anyway, I am stumped and don’t know what to try next.

Why does my Softail air cleaner not fire?

My softail will not fire, it just turns over until I run the battery down and it will not turn over any more. I tried spraying starting fluid into the air cleaner with no success.

What does no start on Delphi fuel injection mean?

If you have a no start condition on your motorcycle with Delphi fuel injection. The problem occurs one time and does not return, so is difficult to diagnose. When the condition occurs, a P1010 code – missing password, is normally set. There have been a few reports of a P1009 code – incorrect password also. It appears the turn signal

What to do if your Softail won’t fire?

Check the igniotion first and let me know. First take your voltage tester and see if you have 12 volts with the ignition on at the coil (white wire). If not then chase the problem back to where you have 12 Volts and fix it. If you have 12 vlt at the coil then you either have a bad pickup or ignition module.

How often do Harley Davidsons start to misfire?

We see it 2 or 3 times a year and usually in batches of 3 or 4 vehicles. If water gets into the supply tank it will go to the bottom. eventually it will build up until the pump starts to suck it out. At first it will suck a fixture of fuel and water so the vehicle will run as described. Thank you Tony.

What causes a fuel pump to misfire on a Harley?

Before you ground it i feeling it has something to do with ign or headlamp wires or ground any suggestions The yellow wire w/green tracer should only be +12 volts to your fuel pump. Has nothing to do with spark or ignition. Powering your fuel pump directly from your battery will not alter fuel delivery or mixture.

Why did my Wife’s Harley misfire on the way home?

After a short ride, we stopped for her to get gas. On the way home, her Harley started to misfire and run poorly. I lost sight of her so I pulled over. After about 15 mins she showed up and said her bike would not stay running. At each stop, it would stall but would always start after the fact. It died in the driveway.

My softail will not fire, it just turns over until I run the battery down and it will not turn over any more. I tried spraying starting fluid into the air cleaner with no success.

Why does my spark plug keep backfiring on my car?

Too little fuel in the cylinder and an excess amount of air can be the culprit to your backfiring problem. When the spark plug tries to ignite the air and fuel mixture, the combustion can be suppressed by the huge amount of air present. Air doesn’t burn, the fuel does. So when there’s way too much air then sometimes the fuel won’t combust.

What should I do if my motorcycle backfires?

Properly get rid of all the dirt in your engine jets. All motorcycles come with fuel injectors. You will be able to prevent a backfire using a high-level motorcycle fuel injector cleaner that will help take out the dirt and debris that clog your fuel lines. Try to consult the user’s manual before applying for the cleaner.

What causes an air leak in a Harley Davidson engine?

Intake manifold air leak: A common and continuing problem with Harley engines is air leaks around the junction of the manifold and the cylinder heads. Carburetor/manifold leaks are much less common.

Can a carburetor leak cause a car to backfire?

Carburetor/manifold leaks are much less common. An air leak can cause carburetor backfiring. Other symptoms of an air leak include a slow return to idle or an irregular idle. Carburetor jetting: Excessively lean carburetor settings can contribute to backfiring.

Is it dangerous to have a motorcycle exhaust backfire?

A motorcycle exhaust backfire is an annoying and potentially dangerous problem to have. It can damage your ears if you’re in a confined space, or could start a fire as some backfires even emit flames, I’ve almost had my hand burned once from a pesky backfire problems I was troubleshooting.

Why does my Harley Davidson Evo keep missing?

It starts fine (kick only) and idles well, usually it even runs fine if you are using very little throttle, although I seem to feel a little surging even then. When you go to give it some throttle though, it starts spitting back through the carb and missing.

My wife’s 2005 FLHTCUSE2 began to develop problems a few weeks ago. After a short ride, we stopped for her to get gas. On the way home, her Harley started to misfire and run poorly. I lost sight of her so I pulled over. After about 15 mins she showed up and said her bike would not stay running.

When does a Harley Davidson run rough when hot?

Last summer I was in Seaside Or and she got really hot and started running rough and was hard to keep running at an idle.

What to do if your motorcycle engine is backfiring?

Even a few specks of dirt in a carburetor can make it completely useless. Take the carburetor off your engine, take it apart (take tons of pictures so you remember how to put it back together) and soak it in really hot soapy water to break apart any of the gelled up gasoline.

A motorcycle exhaust backfire is an annoying and potentially dangerous problem to have. It can damage your ears if you’re in a confined space, or could start a fire as some backfires even emit flames, I’ve almost had my hand burned once from a pesky backfire problems I was troubleshooting.

Even a few specks of dirt in a carburetor can make it completely useless. Take the carburetor off your engine, take it apart (take tons of pictures so you remember how to put it back together) and soak it in really hot soapy water to break apart any of the gelled up gasoline.

Do you need to remap the fuel injection?

To get the most performance out of your bike remapping the fuel injection is a must. With just a setup of pipes installed it is not imperative to remap the fuel curve as it will not run lean enough to cause any damage.

What causes a car engine to backfire when the injector wears out?

Usually, when an injector clogs or wears out, causing the air-fuel mixture to lean, the combustion process weakens and fails to properly burn the fuel. Too much unburned fuel then enters the exhaust system where the fuel ignites with a loud bang.

Where does the fuel come from in an engine backfire?

As oxygen content increases, it causes partially burn or unburned fuel entering the system to ignite loudly. The extra oxygen may come through a leak in the exhaust manifold gasket, an exhaust pipe sealing ring, or a damaged pipe.

To get the most performance out of your bike remapping the fuel injection is a must. With just a setup of pipes installed it is not imperative to remap the fuel curve as it will not run lean enough to cause any damage.

What causes a Harley Davidson engine to ” fire “?

The engine is still spinning but the incoming fuel rate is very low, until just enough builds up in the combustion chamber to “fire” on the exhaust stroke of the engine. Don’t “change the plugs” like some people suggest, it’s a waste of time and money.

What does backfiring mean on a Harley Davidson?

Real backfiring means the engine is not properly timed and the fuel/air mix is getting a spark and ignition at the wrong time (when the intake valve is open). Real backfiring is actually the bike “spitting up” in a sense, backwards through the carburetor or intake. So, the popping you are hearing is not back-firing.

Do you need to remap your Efi after a new exhaust?

I BOUGHT A NEW HD STREET GLIDE SPECIAL. ON THE BIKE IS A UP TO DATE AIR CLEANER AND A SET OF SCREAMIN EAGLE PIPES AND THE SYSTEM WAS MAPPED. DO YOU THINK THAT I SHOULD RE-MAPP WHEN I GET A NEW SET OF SLIPP -ON’S?

Why does my bike turn over and backfires?

Weak battery and blocked air filter will cause poor starting or lack of. If the bike has been stook for a long time then the fuel might have turned blocking the carbs but i doubt that, though it might be possible. With your poor starting you might of fouled the plugs in turn makin it hard work for yourself again.

Why does my Sportster backfire all the time?

Hi Anonymous, popping, coughing, spitting, or backfiring through the carburator or induction module is usually caused by air getting sucked in combustion chamber do bad intake seals leaking. Leaking exhaust gaskets can also be suspect.

Why did my Harley Davidson battery start to misfire?

It turned out the battery to be the problem. The reason its intermittent is the bike will start running weird in other words it would take a charge but if for some reason that charge did not hold for long the bike will start running weird again. So I went and change the battery and I’ve never had the problem since.