What makes a Harley Davidson engine sputter and cut out?

What makes a Harley Davidson engine sputter and cut out?

Sounds like water in float bowl or bad gas. Drain your float bowl. Try different gas. Change fuel filter. Check air filter.You might have a nest in there.

Why does my Harley Davidson engine choke out?

I have a sputtering problem once I get on the road. I have replaced the spark plugs, replaced the fuel and the bike starts right up with the choke out, then after a few I can push the chock in and it will idle.

What causes a pit bike engine to sputter?

The problem of having an engine “sputter” is typically caused by a fuel system issue. For pit bikes with smaller cc displacement engines, in order for a cylinder to fire efficiently, three separate components must work together; the fuel delivery system (carburetor), the ignition coil and wires and the spark plug.

Why does my car sputter when I drive?

Driving should be smooth. But, if you are driving and your car’s engine starts sputtering the first cause of concern would be low fuel. However, if your fuel gauge is full it could be a symptom of further engine problems. A blocked fuel injector can prevent fuel from reaching the combustion chambers.

Sounds like water in float bowl or bad gas. Drain your float bowl. Try different gas. Change fuel filter. Check air filter.You might have a nest in there.

I have a sputtering problem once I get on the road. I have replaced the spark plugs, replaced the fuel and the bike starts right up with the choke out, then after a few I can push the chock in and it will idle.

What causes a coughing sound on a Harley Davidson?

I thought I’d pass along my findings: One of the most common problems that customers complain about is the spit-cough-pop from the carburetor as a Harley goes from idle to ¼ throttle.

What makes the carburetor pop on a Harley Davidson?

One of the most common problems that customers complain about is the spit-cough-pop from the carburetor as a Harley goes from idle to ¼ throttle. This can occur on any model, any carburetor, but seems to happen most often with the stock CV Keihin carburetors used on the newer (90 up) Big Twins and Sportster models.

When do I hesitate on a Harley Davidson?

-If it starts to hesitate I accelerate and it goes away immediately till I let off and start cruising again. -I felt the hesitation every once in awhile about two weeks ago but not as bad till my 93 mile ride yesterday where it was VERY noticeable.

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.

Why did my Harley Road King start cutting out?

Would be great for a while and suddenly start cutting out. Found a bad wire on the start relay under the seat. Harley Mechanic said that was probably not the issue but replaced the relay, changed the wire connection and hasn’t missed a beat in two years. The wire that you found that was bad on that 2002 road king under your seat…

What should I do if my Sportster backfires?

Check your exhaust system gaskets and replace them if necessary. This should stop your problem. Rejetting the carb may be necessary as well. You can’t post conmments that contain an email address.

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.

Would be great for a while and suddenly start cutting out. Found a bad wire on the start relay under the seat. Harley Mechanic said that was probably not the issue but replaced the relay, changed the wire connection and hasn’t missed a beat in two years. The wire that you found that was bad on that 2002 road king under your seat…

What are the symptoms of rich carb settings on a motorcycle?

Rich Reduced Power – It has less power but seems to be OK and runs. Reduced Fuel Mileage – Your using more fuel per cycle so your mileage becomes worse. Rough Idle – Combustion takes a just a bit longer with more fuel and at lower RPM’s the engine can idle rough.

What does a jetted carburetor smell like on a motorcycle?

A properly jetted carburetor will leave a nice grey scale color in the end of the exhaust pipe. Odor of unburned fuel – In cases of a very, very rich mixture you may smell some unburned fuel coming out of your exhaust.

Why are S & S Shorty carbs air bleed # 13?

Since 2004 S&S shorty carbs have been fitted with an adjustable main jet air bleed (#13). Changing this jet to a larger size will delay the signal to the main jet, therefore aiding with high speed tuning as described in step 8. This also aides with tuning an engine that is fitted with an exhaust system that is not intended for high performance.

What should the idle speed be on a carb?

Start bike, bring to operating temperature. Set idle speed adjusting screw, clockwise to increase rpm, counter-clockwise to decrease rpm. Idle rpm range should be 950 to 1050 rpms. Adjust idle mixture by turning idle mixture screw slowly clockwise until the engine runs poorly. Note position.

Why does my Harley Davidson sputter at cruising speeds?

In other words, it just pushes into a seal instead of bolting on like the older carbs did. This means that the carb has to be aligned correctly or an air leak can occur around the seal. The air filter assembly is what holds the carb. into the seal and aligns the carb.

What was the problem with my Harley Davidson?

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. We tried to troubleshoot the problem but have been unsuccessful so far. Checked the fuel pump, getting gas, changed the plugs and checked the wires for leaks, no leaks.

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. We tried to troubleshoot the problem but have been unsuccessful so far. Checked the fuel pump, getting gas, changed the plugs and checked the wires for leaks, no leaks.

When did I replace my air breather on my Harley Davidson?

Last September, I replaced my stock air breather with a Forcewinder XR and took her to Kansas City for a bike show. I rode her there and back (400 miles) and didn’t have any problems…I put her away for the Fall and Winter because I was deployed to the “sandbox”.

What causes a Harley Davidson engine to sputter?

That too, from sitting a lot water can condense inside the carb especially if you live in a humid area….the float bowl could be poluted with water buildup….that messes up everything when it comes to running smooth… Thanks Badinfluence… Thanks for the indepth info and it was actually the crank position sensor…go figure.

Why does my Harley Davidson run weird after a charge?

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.

Why does my Harley Davidson keep backfiring and sputtering?

About 3-4 minutes of riding it was fine. After work, started bike and it did a half start and died, started up (hesitantly) 2ND time. warmed it up, rode 5 mins backfiring, spitting fire etc. Pulled over, called for a ride. Bought new plugs. When we pulled the plugs the gapping was wrong.

Where is drain Bowl on Harley Davidson superglide?

There’s a brass colored bowl drain screw on the bottom edge of the manifold side of the bowl. You would go in from the left side of the bike with a long screwdriver. I have a similar issue. 96 superglide.

What kind of gas do you use on a Harley Davidson?

If your bike doesn’t have a high compression motor that actually needs the octane, you’ll be better off buying mid grade or regular, as they will cycle through that stuff quicker than the premium. The gas station that I got the fuel from is a self service fuel station, that not too many people use.

About 3-4 minutes of riding it was fine. After work, started bike and it did a half start and died, started up (hesitantly) 2ND time. warmed it up, rode 5 mins backfiring, spitting fire etc. Pulled over, called for a ride. Bought new plugs. When we pulled the plugs the gapping was wrong.

There’s a brass colored bowl drain screw on the bottom edge of the manifold side of the bowl. You would go in from the left side of the bike with a long screwdriver. I have a similar issue. 96 superglide.

If your bike doesn’t have a high compression motor that actually needs the octane, you’ll be better off buying mid grade or regular, as they will cycle through that stuff quicker than the premium. The gas station that I got the fuel from is a self service fuel station, that not too many people use.

What kind of fuel does a Harley Davidson Sportster use?

A .050 jet is A LOT of fuel for most bikes. I would be interested in what kind of mileage you are getting. I have had the same off idle problem on my sportster. The last time i tinkered with it I tightened the “choke” enrichment cable and snapped the plastic flange, duh.

What happens to a Harley Davidson when it dies?

If it dies it will start right back up in neutral and then it will sputter a little bit while I “nurse” her back to my garage. It seems like “once the engine and oil gets hot then I have problems.

The problem of having an engine “sputter” is typically caused by a fuel system issue. For pit bikes with smaller cc displacement engines, in order for a cylinder to fire efficiently, three separate components must work together; the fuel delivery system (carburetor), the ignition coil and wires and the spark plug.

What should I do if my bike is sputtering?

While ensuring you are wearing safety glasses, apply carb cleaner vigorously through the holes of the jets and through the entire carburetor. You should then use compressed air to blow any gunk or debris that could be stuck in the jets or the bottom bowl inside the carburetor.

If it dies it will start right back up in neutral and then it will sputter a little bit while I “nurse” her back to my garage. It seems like “once the engine and oil gets hot then I have problems.