Harley sputtering and backfiring

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Once this was fixed and the carb retuned it cleared all Tuning your Harley Davidson carburetor is simpler than most think and can be performed with a few common tools. The backfiring of the motorcycle is a signal that something isn't  Sep 14, 2018 No matter if you have EFI or carbs, a Harley-Davidson or a Honda, here It's a sinking feeling when you give more gas but the bike sputters out  First off, you need to determine whether it is backfiring out the exhaust or back up through the carb. (give it 10 minutes while you get ready '04 intermittent backfiring, sputtering, loss of power. Even a small air leak can dramatically increase the intensity or likelihood of exhaust system backfiring. Old Harley owners' manuals called for the riders to decelerate If your Buell Motorcycle is experiencing problems and you could use some friendly advice to help diagnose/troubleshoot the issue, please first review the extensive listings of issues already documented below; if none match your particular Buell troubleshooting issue, then please initiate a new thread here and post a thorough description of your particular Buell Motorcycle problem. Midknyte On 95 Road King a decent replacement for factory carb. . . I rode for about 50 miles and then out of nowhere I started sputtering and backfiring. The battery must have been weak to begin with. Backfiring on deceleration is much more common and often occurs when exhaust and fuel mixture changes are made. I had a Harley that would start and run fine and then once the black box warmed up, it ran like Jack Benny Harley-Davidson Fuel Injection basics It is a sad day in Hogville. By: Bill Tichenor 12/02/2009 < Back to Blog Home. Instead of igniting a small amount of fuel when working properly, a larger amount collects and you get a A1 Yes, if you can get complete or near complete fuel shut off then there is nothing to burn so no decel pop. if the engine is backfiring while accelerating you are problably out of time What causes backfiring or popping in the exhaust of a v twin motorcycle engine? Could be a hole or leak at one of the This is a lean condition if it is popping and backfiring through the exhaust. Sometimes it runs fine, sometimes it does all this chugging. A back-fire or backfire is combustion or an explosion produced by a running internal combustion engine that occurs in the air intake system rather than inside the combustion chamber. This is a discussion on Exhaust backfiringCould use some help within the Mean Streak Maintenance forums, part of the Kawasaki Mean Streak category; Alright guys I've got some V&H Straightshots on my 02 Meanie and ever since I put them on I've had some backfire/sputter on deceleration. 3. It comes and goes. New Exhaust System = Carb Jetting? When you upgrade your bike with a new exhaust system, air box or hi-flow air filter it may upset the air to fuel ratio creating a mixture that is too rich or too lean. This condition is primarily caused by dirty air filters, but it could also result from the incorrect fitting of after-market accessories such as exhaust systems, air filter systems, or replacement carburetors of a different type or size. If no warning lights are on continue down this guide. I'm sure one of you more educated and experienced buellers can help me out. This will help locate the system that is having a problem and needs repair. There was a short from the rear coil terminal and the wire. Backfiring, is extremely rare these days with electronic ignitions and the high reliability of engines. This walkthrough will help you understand the various causes of misfiring and identify which ones you can handle yourself. The bike leaves harley sputtering, backfiring, popping, and struggling to reach 80 mph. (it all started when i putted on a set of world windsor jr heads. In addition, some Harley dealers most likely added to the problem by gouging customers when bikes were in short supply. 76 Kuryakyn Carburetor Support Bracket For Harley Touring 2008-2017 $27. Backfiring or overheating. Tonight, I decide to ride to the gas station and fill it up. I'm new to the forum - my name is Deb. I haven´t check coil and ignition timing yet. Sputtering and backfiring all the way to the bottom. But most forget that they will have to re-tune their motorcycles to avoid exhaust popping, spitting and backfiring. My local HD staff gave me the excuse that back-firing when deaccelerating is normal for a cruiser and  The thrill of riding your motorcycle is lessened somewhat if your motorcycle tends to backfire. But hey it's a Harley. Please enter your desired user name, your email address and other required details in the form below. Not a good customer relationship builder. I'd be cruising on the highway and step on it and it would cough and sputter and then clear up. Download Backfire sounds 4,831 stock sound clips starting at $2. 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). Call or come in for a diagnosis - we'll give you an estimated cost of parts and labor before we begin work. everything was going absolutely great! was running awesome! then there was a continuous incline for about 700m-1km, I had it to the floor, doing 32mph, she was sounding awesome, then almost at the top, I heard a sputter, then another sputter, then the sputters were getting closer and closer together, then backfiring started happening, then Click to find 100+ Car Backfire of "Street Drifting Car Backfiring" Wall Tapestries By by Chris Kovacek also more Ideas like Car Backfires HIDs, Cars Backfires Rockets League, Octane Cars Rocket Leage, Race Car Back Fire, Cartoon Car Back Fire, Real Car Back Fire, Gun Backfires in Face, Supra Back Fire, Car Backfires Will Not Start, Car Backfires When Starting, Car Backfires When Accelerating 2005 Harley-Davidson Sportster XL 883R from United States of America - Comments It's sputtering. i had someone trailing me the other day and he noticed the lights were dimming/blinking while it was acting up. The engine must be at full operating temperature. The thrill of riding your motorcycle is lessened somewhat if your motorcycle tends to backfire. 2006 Harley Electra Glide Ultra Classic Mar 21, 2013 Discussion and tutorial of possible causes of gas golf cart backfiring, diagnosis, solutions, maintenance procedures and pictorials. Harley CV Carburetor reference diagram Does your engine back fire and you don’t know why? What causes a car to backfire? Here are five of the most common reasons why your car backfires. Caused all kinds of stuff to happen including the backfiring. The above Harley CV carb Tuning and Troubleshooting tips are meant as a guide only to assist with some common issues. Evo Classic Models - Bike backfires and sputters when cold - I have been searching the threads for a couple hours but cant seem to find my exact problem. I was riding my 1978 550k tonight and was running absolutely great. Good comprehensive article and not only for Harley owners. Then, if it starts at all, it dies if you try to put any power to it. More than likely your engine is "popping" not really backfiring. Why does my engine spit or backfire? First off, you need to determine whether it is backfiring out the exhaust or back up through the carb. Low rpm operation is controlled by the intermediate jet (#11). Download and buy high quality Backfire sound effects. The plugs were changed 10,000 miles ago so I did not buy one. If the carburetor has any sort of issue that results in it delivering a lean mixture, a mixture that does not have enough fuel, it may result in engine backfiring or overheating. The average age of a Harley rider is 49, up from 42 five Now if a filter is doing its job right, then it will get dirty, yes it means it has filtered all the dirt from entering the engine, now as the filter gets dirtier the amount of air that passes through gets lesser as it is clogging the air passage, so this means it needs cleaning from time to time. 004". I replaced plugs, wires, coil, and applied generous amounts of 1989 sportster 883. I recently  May 12, 2011 More than likely your engine is "popping" not really backfiring. Popping and Backfiring Q: Hi I am Having Problems with my 73 Superglide!! Bike runs good when idling as soon as I take it for a ride it starts popping and backfiring!! Dies out then I wait a couple seconds starts up then does the same thing over again!! A common and continuing problem with Harley engines is air leaks around the junction of the manifold and the cylinder heads. sparkplugs/wires. sportster sputtering and backfiring after washing I pressure washed my bike , now it sputters after running for a few minutes ? any suggestions on what I might check ? While riding bike, exhaust backfires/pops when letting off of the throttle in any gear, very annoying not just to me but to other riders. Then about two weeks later, it starts acting all wierd like it starved of fuel or something. Apr 23, 2019 Fed up of motorcycle backfire? No problem. I have Cobra pipes but have a question. now it does it with the engine cold, wont idle for more than a minute, cant ride it it falls on its face and stalls! fouls out front plug too. Anytime you have an engine that is backfiring the first thing to look for is a check engine light. Please visit our support forum for post-purchase support of our products. Based upon the data you've given thus far I would remove the float bowl and blast out all of the jets, in particular your pilot jet. 07 Sportster Sputtering Backfiring and Stalling (self. An air leak can cause carburetor backfiring. So I then went across the street to O'Rielys to buy a coil. It had been running fine until the rain, and then it started backfiring out the carb and the rear cylinder exhaust. Idle is ok, at about 900-1000. If you own a motorcycle, chances are you've experienced a backfire in the exhaust, which can cause quite a jolt for an unsuspecting rider. After we got going on the highway, it got better and only sporadically gave me problems. Only engine mods that are on my bike are the heavy breather, head pipes and cfr mufflers, Harley race tuner and 254e cams. It's intermittent, but has been occurring more and more. Next, turn the bike off, then turn it on again and watch the check engine light. retarded timing will cause backfiring, as can a lean condition. Thanks very much for taking the time and sharing the knowledge. We usually refer to an exhaust backfire as a "backfire", and backfiring through the carb as "spitting" or "coughing". Re: 95 Road King Running Poorly at Idle One thing that comes to mind is an icing condition. my dads got an 2002 ultra classic. Sputtering, missing, backfiring, have almost no power. The most common entry point is the junction of the header pipes and mufflers. Any source of fresh air into the exhaust system can create or worsen the conditions that bring about exhaust backfiring. In order to be able to post messages on the V-Twin Forum : Harley-Davidson Motorcycle Forums forums, you must first register. First, let's pinpoint exactly what's going on. Ride motorcycle in various rpm ranges, and then try to maintain a consistent 40- to 50-mph. Finally, the severity backed off. The backfiring during acceleration is a serious engine related (cam timing, bad valve seat seal, etc. Footage taken from Holley Carburetor Installation & Tuning DVD '04 intermittent backfiring, sputtering, loss of power. AZ code read misfire #4 cylinder. The engine will begin popping and backfiring, it acts like an engine out of time. Afterwards it ran like a champ. This simple procedure is a great Harley tech tip that applies to all Harley carbs from 1989 to present that use the CV style Harley Davidson carburetor. Exhaust backfiring Could use some help. 07 sportster 4000~ miles started sputtering, backfiring, and stalling at idle with no power between 0 and 1/3 throttle. Motorcycle exhausts create some of the most adrenaline-rushing sounds if you're a motorcycle enthusiast. Article courtesy of American Iron Magazine The Harley-Davidson ESPFI system is known as a Speed/Density, Open Loop, Sequential Port Fuel Injection system, that controls both fuel flow, and spark timing. Sometimes it will backfire really bad when I hit the throttle and other times it will act just fine. Runs better when engine cold and more responsive than stock CV carb less sputtering and backfiring. The other day, I was riding up a fairly steep hill. Troubleshooting - backfire through carburetor . Check out our 3 minute guide that covers everything you need to know about motorcycle backfire, . I have removed and cleaned all jets in the carb, put in a new piston and honed the bore, it has good compression, new correct specification spark plug. This upsets the air-fuel ratio and causes too much air to be mixed with the fuel, resulting in what is known as a lean running condition. This lasts only a few seconds before it shuts down completely. Went out and finally managed to get my exhaust fitted to my downpipes using a gasket I made from a can of Macaroni Cheese Anyway, tried to start my bike after it and it wouldn't start, it was turning over but just wouldn't fire up, then it sounded like it was backfiring Battery got drained so I just fully charged it and same is happening - turning over but not firing up! It doesn't run despite having a good spark, if I turn it over with a drill I get occasional backfiring, it is definately backfiring as the drill jerks and slows when it goes pop. I call them up and ask them to take a look at it and am instantly blamed. Get your Harley, chopper, speedster, or street bike (stock or custom) fixed affordably and reliably by one of our experienced technicians. Whether you need basic maintenance or a complete rebuild, Lucky's Motorcycle Shop has you covered. " At an idle it will either idle high at just under 1800 rpms or stall out. My problem was on a Honda C90 Cub. Rubbermount_EVO 2009 Nightster sputtering, backfiring, dying??? Sportster Motorcycle General Discussion and Problems Just a thought here, I had some serious problems with backfiring through the tailpipe and I mean shooting about a 3 inch blue and white flame out the back end. It has less then 3000 miles on it and ran super until this recent sputtering and backfiring episode. Also a one-into-two rear head pipe design on a stock Harley dresser allows  I own a 2006 Harley-Davidson Deluxe which is beautiful. Also thinking about richening up the mix a bit as the plugs and sputtering would indicate it is running a tad bit lean (I believe) Is there anything else I can try? TL;DR new (to me) harley sputtered out and died on me last night mid cruise. If it stops, you know that it's a clogged vent line. For those of you who haven't noticed or are stuck back in the 80's, a large number of the bikes coming from Milwaukee have fuel injection installed. The leaner fuel and air mixture is more volatile than the proper mixture and causes premature ignition, or pre-ignition of the mixture, resulting in backfiring through the tailpipe. A problem with fuel delivery, spark plug operation or metering of the air-fuel charge can cause problems at idle that may not be obvious at higher rpm ranges. Outside of the standard "Air, fuel & Spark" any suggestions on where to start fiddling with this thing? I was having issues with my 1998 Harley Sportster 1200 custom backfiring (over the course of 4 months). I put new plugs in, and the problem persisted. When I got to the top and hit level ground the bike started sputtering and backfiring, acting like it was going to shut off. If it stays on you have a current code. Harley Davidson sputtering and loss of power 2007 Ultra Classic with 96 inch motor. Why would a harley davidson backfire threw the intake? backfiring occurs in carbureted engines that are running lean where the air fuel mixture has insufficient Backfiring during acceleration occurs when ignition takes place in the intake or exhaust instead of the combustion chamber. This allows fuel to flow into the cylinder before the ignition system is activated to produce a spark for combustion. Ignition: The factory Evolution engine's ignition can contribute backfiring through In fact, single fire ignitions can generally eliminate backfiring in any Harley. Tried adjusting the enrichener, but would only raise the idle and would not stop the backfiring/popping. Luckily, I wasn't too far from home, and was able to milk her back to the garage. I'm kind of believing I have an intake leak, but not quite sure. Get a small piece of copper wire that will fit through the jet and make sure you don't have blockage. After about 15 mins she showed up and said her bike would not stay running. I tried the parking lot trick but it only worked for a couple minute then it went back to sputtering. Carburetor/manifold leaks are much less common. However, I was on a long ride this weekend and the bike completely shut off and I haven't been able to start it since. Aug 25, 2018 Engine hesitation, spits, sputters only when hot ride for about 30-45 minutes of gentle riding before the engine begins to hesitate, misfire, spit, sputter, backfire/ pop- she gets noisy. Engine is sputtering Inspection Service In almost all cases, a sputtering engine is trying to tell you that there is a deeper problem that requires immediate attention. Carb clean with good jetting, diaphragm in perfect condition, manifold seals changed, plug and plug wires changed. However, after about 50-60 miles, it started sputtering again and losing power and I would have to downshift just to get the rpms up above 3k. I recently bought a 2003 Suzuki Volusia Intruder and love it. What Causes My Motorcycle to Backfire Thru the Exhaust? When a motorcycle engine has an emission system malfunction, such as an exhaust leak or a moment of running rich or running lean, backfire occurs as a result. 2012 1200 ran great, now backfiring and bogging down (1 2 3 Hi , i asked a qeustion about my Stang a little while ago, it was continuisly backfiring and i couldn't get it right, everything seemed to be right, timing, advanced timing. We're talking about engines that start easily and accelerate smoothly, but then, after a few minutes at a steady speed, either surge in speed or misfire, causing the car to "buck. Get free shipping, 4% cashback and 10% off select brands with a Gold Club membership when you get a Engine Temperature Sensor (part number 380-389) from J&P Cycles. and such. ) Is your 2-stroke BACKFIRING? This could help Over the last month or so while everyone is getting their carts dialed in for the season, I have noticed an above-average number of posts asking about backfiring issues with Marathons, so I thought I'd throw this post together so there's a searchable solution for those with questions. The issue was corroded connections at the coil. Carburetors are the predecessor to fuel injection. Engine backfiring and overheating are other common symptoms of a potential problem with the carburetor. Unburnt fuel that is ignited in the exhaust system can produce loud sounds even if flames are not present at the tailpipe. was created by syllinx22 When in park it will sometimes start sputtering and if i give it gas it will backfire through the throttle body. got stuck in road construction, gettin hot so he yurned around, started spittin, sputterin, and backfirin all the way home. Let's see your Pre EVO Harley. If it comes on then goes off after about 4 seconds there's no code. The carburetor is responsible for mixing air and fuel in the proper proportions and placing that fuel into the engine for combustion. The thing about shutting the fuel down is you sometimes feel as if the bike has quit running or shut off on decel at 0% throttle and possbly a little surge when it comes back on. The mighty Harley is slowly loosing its carburetor. Later that day, I left work and it seemed fine for the first 30 minutes or so and then it started sputtering while driving again and really threatening to stall when stopped at the lights. I lost sight of her so I pulled over. I'm not sure the bike was ever rejetted or done properly I guess. With the ventura efect cooling incoming air, 37 to 45 degrees,and humid mornings make ideal conditions for throttle body or carb icing and acting like a choke. We usually refer to an exhaust backfire as a "backfire", and  If you notice stumbling or sputtering, it can indicate a rich condition. In order to be able to post messages on the Harley Davidson Forums: Harley Davidson Motorcycle Forum forums, you must first register. Use the following suggestions to pin down your problem areas so that you can stop your motorcycle from backfiring. The most common causes for backfiring during acceleration include an incorrect fuel-to-air ratio, a faulty ignition and bad wiring. Motor Cutting Out/Sputtering at higher speeds when hot After runnig on the Interstate for 30-60 minutes, averaging 70-80 mph, my bike will start to sputter and cut out. Harley) submitted 1 year ago by jonnymoon5 05 FLHTCUI Question for those who have more mechanical knowledge than I do. , while the engine is running or while shutting down. harley engine sputtering, harley spitting and sputtering, harley davidson sputtering issues, harley evo sputtering on acceleration, harley sputtering at low rpm, harley efi sputtering, harley evo sputtering, harley started sputtering, harley softail sputtering, harley davidson engine sputtering, Engine sporadically sputtering/hesitating/chugging under accelration and/or uphill I did a tuneup (plugs, wires, coil, cap, & rotor) about 6 weeks ago. Learn how to diagnose and solve an engine backfiring problem… in case it is a problem. My wife’s 2005 FLHTCUSE2 began to develop problems a few weeks ago. Whem I come to a stop, the bike runs very rough and starts to spit and sputter and eventually stalls. We're not talking about a knocking engine or one that idles rough or stalls. After a short ride, we stopped for her to get gas. An engine running out of gas will definitely sputter but if the gas gauge indicates full, the problem lies deeper inside the engine compartment. is it engine temp sensor, bad coil, throttle position sensor, or worse! SOURCE: 2002 Harley Ultra Classic backfires Sounds like the previous owner didn't get the cpu remapped, Take it to a Harley dealer and have him check the exhaust mapping on the cpu, Shouldn't cost much or if you want get them to fully service it so that way you will know were your at with it and will have a reference point to start with or service and maintenance reasons (and re-sale value spits sputters and backfires spits and sputters backfires sometimes looses power while driving please help - Harley Davidson 2004 XL 883 Sportster question Search Fixya Press enter to search. You can take the petcock out of the tank, disassemble it and look for a hole in  The backfires are mainly caused (in a normally functioning 4 stroke engine) by leftover fuel that was not burned (combust) inside the cylinder  Backfiring is a common issue with the installation of aftermarket exhaust pipes. My truck started sputtering on the way home from work stoped off at Autozone then the engine light came on. there is few possible things could happen when you power wash your bike : *the water liked in to its air cleaner and mixing with the  The bike now has only 18k miles on it, but its starting to sputter, backfire, both through the carb AND occasionally through the exhaust. On the way home her Harley started to misfire and run poorly. If the check engine or service engine soon light in on scan the computer for trouble codes. More often than not, golf cart backfiring is caused by the throttle plate inside the carburetor being slightly open. Made me think of carbon'ed up plugs and I dismissed it at that. Low rpm If the engine backfires or breaks up in the carb, increase the main jet size . Carburetor Troubleshooting Guide. When a motorcycle backfires, a malfunction in your I have a 2004 Harley Sportster with 18K miles. Replaced the coil but I did not check the spark plug. Shop our complete selection of Harley-Davidson Motorcycle parts and accessories including the Cobra Fi2000R O2 Fuel Processor - 692-1616CL. First, start the bike and when it's idling and sputtering open the fuel cap. A broad range of problems can cause rough idling in a motorcycle engine. What happens is it lets air in as the gas goes out, if it is clogged then you develop a vacuum that can be strong enough to prevent gas from getting into the carbs, or slow down the rate at which it gets into the carbs. I can wait it out or floor it and it will stop. BROWSE NOW >>> Harley Davidson FXSTSB Bad Boy 1995-1997. This is common. When in doubt consult your factory service manual and/or a professional motorcycle technician. Not sure if better Completely random backfire through throttle body. Conclusion. Ford F-150/F-250: Why is My Truck Misfiring? Diagnosing why a Ford F-150 or F-250 is misfiring is vital for a car owner in terms of saving costs. Harley Davidson news, rumors, Threads Tagged with sputtering. 89 Gasbox Carburetor Purchase the Engine Temperature Sensor at J&P Cycles, your source for aftermarket motorcycle parts and accessories, with free everyday tech support. 7) Check idle solenoid, especially for power/ground, replace solenoid if necessary. It felt like no matter how much throttle I gave, it accelerated poorly and eventually stopped accelerating and conking out on me. If your golf cart is spitting, sputtering, backfiring, of won't run without the choke pulled, you may need to check your carburetor. It all started to happen about a year ago and has gotten progressively worse. 1948 Indian Chief, 1954 Harley Police Special, 1965 BSA Rocket Lightning, 1972 BMW R75 /5, 1975 Norton She goes on to share that Harley's longtime strategy of marketing to the boomers, which was a blazing success, is now backfiring as their retirement savings has imploded. 93 evo motor, straight pipes not sure about carb pretty much stock. Afterfire occurs after the engine has been shut off. If you notice stumbling or sputtering, it can indicate a rich condition. They instantly jump to asking if I've changed parts or what I did. This is what we are going to discuss. I bought the bike used in the fall and put about 300 miles on it with no problems. If you ride a fuel-injected Harley-davidson motorcycle, one solution is to install a Thundermax self-tuning fuel management system. Then, we Backfire is a condition described as a loud bang, poof, explosion, etc. The company's longtime strategy of marketing to the baby-boom generation, which was a blazing success, is now backfiring, Hamner wrote. I have a 1994 Harley Davidson, with 80K miles, that is backfiring under throttle. It will automatically tune your engine for maximum performance – no Dyno required – for any backfiring, spitting and sputtering "2" I'm having the same problems that Hedlocust had a couple of days back, except that mine started during a heavy rain. ) problem and can not be fixed with air/fuel mixture changes. Here we go again. Discussion in 'Old's Cool' started by SportsterTom, Dec 25, 2017. If the engine has a flat spot, or is popping/sneezing in the air cleaner, it can indicate a lean condition. The backfiring of the motorcycle is a signal that something isn't quite right. How to diagnose and fix an intake leak Bracket $19. Not sure if better fuel mileage but doesn't appear worse. If I try to give it the gas, it does the same thing but only more. acceleration Sputtering and popping was the first indication of trouble with mine (see: Another one not running). Find the Cobra Fi2000R O2 Fuel Processor - 692-1616CL at Dennis Kirk. You may have a clogged breather in the gas tank gas cap. Problem CONDITION POSSIBLE CAUSE CORRECTION 7) Idle cut-off solenoid not working. hi there,. Backfiring, is extremely rare these days with electronic ignitions and the high  Apr 22, 2012 Those petcocks are the worst thing Harley ever did in my opinion. In theory Harley’s fuel injection system is still an open-loop system by design. When I'm in 4th or 5th gear and back off the throttle, I hear back firing and a little bit of sputtering. Also, it seems to quit running when the ambient temperature is over 95 degrees. International R 75/7 sputtering w/backfire. harley sputtering and backfiring

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