bad ignition coil symptoms motorcycle

All engines eventually lose some power, but regular maintenance helps regulate the loss. Clogged fuel injectors and air filters cause problems for trucks, cars, and motorcyclesand so can broken spark plugs. But before then, it is important to know that ignition coils serve as compact electrical transformers which help to convert the low voltage into a much higher voltage. If your motorcycle was having large oil leak issues while running and was smoking like crazy or you could hear a ticking sound when it was running, the timing is probably off in the engine. Diesel engines dont have spark plugs because diesel ignites via compression, not a spark. Sometimes someone tries to wire up aftermarket lights or a horn and put the wrong wire somewhere. How air is obstructed: this is usually caused by a dirty air filter that hasnt been cleaned or replaced in a while or clogged pod filters (though pod filters dont usually have a problem with obstructing air). 04. If youre riding your bike and see a check engine light sign anytime soon, it may be because of the bad coil inside. If you dont have access to your owners manual, check out emanualonline.com for an easy and affordable download of your motorcycles specific manual. This will continue to worsen until you eventually have no spark and cannot even start the motorcycle. Move on if you are still having problems while doing the proper starting sequence. Motorcycles are simple enough creatures, but it can still be hard to find what the culprit is thats keeping your machine from firing up. Ive owned over 12 motorcycles and went through this process with every single one of them. that can make the bike run poorly or completely die at what seems to be random times. A blown or faulty main fuse can be a source of frustration for many riders as Below are 5 common symptoms which can be attributed to a bad ignition coil. I have created a video series about restoring motorcycles and within this series includes a 25 minute detailed video on how to clean/rebuild carbs. You will need to buy new AWG wire. If you are getting close to 12vdc at the coil terminal of a 12V DC system and no reading is coming out of from touching the coil, then you either have a bad connection or bad coil. If it starts and revs up for a few seconds then that means your have a dirty carburetor. indication that the stator is faulty. If you have a doubt about your bikes ignition coil, it is suggested to take a visual inspection and seek professional help for further assistance. Therere single ignition coil and dual chordignition coil. Looks like a fairly simple procedure and it would be great if it indicated the problem. Trying to start your vehicle when the ignition coils fail will result in a rough ride. If it keeps blowing, buy a small circuit breaker for a few dollars at any auto store and put the circuit breaker in the line until you identify why the fuse keeps blowing. it. The best way is to check and assess the faults in the ignition coil. Checking all of the In this article we will dig into these symptoms and what causes them. How an ignition coil stops working: over time, vibration and heat can damage the winding in the coil. These are the things that can tell you that you may need to either repair or replace your stator. however, help riders understand what each electrical component's function is and what problems they can cause As I just talked about testing motorcycle ignition coils, lets learn how to do it. Kyle currently works as a mechanical engineer and graduated with a minor in automotive engineering. ignition coil. Symptoms that youre in the wrong gear: this mostly applies to kick starter motorcycles. Electrical problems manual should have all of the locations noted. The later DIS ones, though, replaced the distributor with a coil pack and multiple coils. There is also a phenomenon called parasitic drain. If your battery is completely dead, you motorcycle will not make any noise at all when you try to start it. While spark plugs and ignition coils arent the same, theyre both part of a vehicles ignition. How can you tell if the issue is in your motorcycles ignition coil? Thats because, as Autoblog explains, they share several symptoms. I Accidentally Crossed the Jumper Cables, This Is What Happened. pulled in. Your motorcycle stator performs a critical function on your motorcycle. The ignition coil has a very important role in the processes of the internal combustion engine. One thing you must do is to make sure that you test the type of Harley coil your engine is using, knowing whether it is coil-near-plug or coil-on-plug. The more you understand how a motorcycle works, the better you can understand how a car works. Or, simply unplug the wires from each cylinder one at a time. spark plugs, is the ignition coil, spark plug caps and wires. And you decided to accelerate your bike a bit to go faster. It's also important to make sure that the battery that Other symptoms include getting it started but it instantly stalls, or you get it started and go down the road a few feet and it stalls when you accelerate. A misfiring engine results in a jerking or sputtering feel when you are moving at normal speeds. How a motorcycle battery dies: If a motorcycle battery is not used and just sits, it will lose its capacity to power your motorcycle. You can try your best to avoid hitting large bumps but your engine will still experience vibrations. First, check the positive diode. 3. connect the negative lead to each of the stator inputs. That distance is set by the manufacturer and it has to be a certain distance for it to spark correctly. All of these signs show that theres a problem with the Harley ignition coil. This will easily break down fuel build up and dirt that has built up in hard-to-get places. The plug cap should be removed for this test because it can add resistance. 16 Great Gas Dirt Bikes for Kids: Fun and Safe for All Ages! Then take the positive and negative wire leads and attach them to the posts of the primary winding of the ignition coil. As time passes, the build up increases and will easily be able to block fuel passage ways, especially the jets in the carburetor because they are so small. Make sure the new ignition coil is compatible with your engine. They are mounted to the aluminum frame just under the fuel tank. If you are having problems with charging, you should first check your stator since its job is to provide the motorcycle electrical problems. faulty grounds early in the troubleshooting process. Luckily through my own trial and error, my education in mechanics, and a little bit of luck, Ive been able to troubleshoot several areas of the motorcycle. It is important to equip yourself with all If you know its sparking correctly and that there is gas in the tank but it has been sitting for a while, your culprit is probably a clogged fuel injector. The misfire will either be on a particular cylinder, or random. An ignition coil is a form of transformer in automobiles. That causes a magnetic field to form in the ignition coil. What you are looking for is that all three of the numbers are similar. Your motorcycle may turn over but will not stay on and will stall out. If you have this problem, youll have difficulty starting your motorcycle with the possibility of it not even turning over. starts to send some irregular sparks to the spark plugs. This can be frustrating if You can also check the gap between the coil and the magnet. Featured Images By https://itstillruns.com/test-harley-davidson-ignition-coil-6516657.html. How to fix it: put your motorcycle into neutral and try starting it again. This will make it very difficult to find the actual problem. engine. Thank you for watching! Another noise itll make is a whirring sound (almost like a high-pitched unpleasant buzz) where you can tell the gears arent catching on anything. I have used this method hundreds of times and it has worked great. You cant afford to see your motorcycle tip over when youre storing or transporting your motorcycle. How a fuse gets blown: a blown fuse generally means there is a bad grounding wire somewhere, especially if you have to keep replacing the same fuse. Many people have had stators last them over 200,000 miles, your stator can last just as long too. This could become apparent even as you start the motorcycle. It should read in the thousands for Ohms. When you match the symptoms and assume its a bad ignition coil, the only troubleshooting process is to get it tested and install a replacement ignition coil as soon as possible. It all came from the day I, Read More 10-Point Checklist For Buying a Used MotorcycleContinue, Riding a motorcycle is more than just the miles or the destination. You can get online all the instructions to follow to carry out this test. Check Engine Light comes on. Poor idling and stalling will lead up to this problem. A breakdown in the For the electrical testing, firstly, turn off the engine of your motorcycle. For some riders, they find their motorcycle is accelerating unintentionally. While testing the ignition coil, if the multimeter shows OL, it indicates an open line or break in the wire. When your engine is accelerating, it indicates some indifference and will hesitate. Why such a high voltage? A few things the ST is notorious for that can cause that symptom-. Knowing where to start is the biggest hurdle. Automobile engines run maintaining sequences. Whether youre a seasoned motorcycle rider or new to the game, we can all agree that having trouble starting up a motorcycle is one frustrating gig. When this happens, your motorcycle gets less mileage. If it still doesnt fire, its the coil. As a consequence, your Engine jerking, rough idling, and power problems are clear symptoms of whether your ignition coil is bad or weak. power from the alternator into DC power so that it can charge the battery. Learn why Harley Davidson Motorcycles Backfire here. There are certain functions on your motorcycle that your stator must run, like your spark plugs. Lastly, you just need to solder the connector wires to the three phases and put it back onto the bike. You can first check to make sure that the plug wires and caps are all intact. It should not read higher than Now you are ready to get the stator re-wound. You can tell if your motorcycle ignition coil is bad just by riding it. Follow more updates from MotorBiscuit on our Facebook page. But theyre not the only potential culprits for a lack of sparks. Hence, your bike will sound as though power is missing. specifications. Let it cool down. be at about 2000 rpm. Kyle currently works as a mechanical engineer and graduated with a minor in automotive engineering. all times because they can go at any time. can become faulty due to age or excessive vibration. The only way for a home mechanic Illuminated check engine light. To do this, youll have to take off the air intake then detach the carburetor from your motorcycle engine. Symptoms of a dead battery: this is the easiest problem to diagnose and is probably the most common reason why a motorcycle doesnt start. As the stator provides the spark for the spark plug, if it is not working correctly you could be getting a very weak spark. I could see the regulator because the surging, according to the PO, didn't occur at his thousand foot elavation in Missouri. Engine misfires are often going hand in hand with bad ignition coils and are one of the most frequent bad ignition coil symptoms along with the check engine light. Tell us what you're interested in so well only send emails that are right up your alley. This is a result of the high-speed coil in the stator going bad. Sometimes the problem is very small, like a bad ignition coil, but the consequence could be tough. If it does, the stator is faulty. Over time this can wear out your stator. You might be served by such an effort though. How to fix it: Youll need to replace it if you know its no longer functional. This post may contain affiliate links. that sends you an indication that you have a bad Harley ignition coil is that link to Can A Loose Motorcycle Chain Cause Vibration. not diagnosed right away as it will make it seem like there is something else wrong with your bike. It used to be if your car couldnt start, that would be a sign of a faulty starter or ignition coil. You can save yourself quite a bit of money by repairing the stator. There are so many different signs pointing towards a failing stator. Note- If your motorcycle starts and runs fine, but then dies once it warms up, there could be a wire The consent submitted will only be used for data processing originating from this website. One sign Because thats what powers the spark plugs. Motorcycles are a lot more simple to repair compared to cars. If the voltage happening is to check the battery cables for excessive heat. Youll still get the correct reading. In most cases, it is seen a worn-out ignition coil is creating issues like engine misfiring. Your stator will last quite a long time if you take proper care of it. When you slow down your car to stop at the traffic signal, you will experience vibrations, jerking motions, and weird noises like your car got a sore throat. Cannon Entities LLC is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. How the carburetor gets dirty: Deposits and dirt can build up in your fuel system. A bad started can make several strange sounds. It is natural for all bikes or any other vehicle to lose its efficiency over time. And when you get to a stop sign, the engine may fail to start, or its idling. In both cases, something in the charging system lead to the negative terminal of the battery. This is a result of the high-speed coil in the stator going bad. In most cases, it is seen a worn-out ignition coil is creating issues like engine misfiring. Stators can be very expensive to replace entirely. As an Amazon Associate I earn from qualifying purchases. You can experience the misfire by hearing the horrid sound coming from your exhaust valve. Most of the time, specific-cylinder misfires become easier to diagnose than . I was reading about the diagnostic mode in the service manual. You can test your wires using a multimeter which will help you find the wire that is causing the problem. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Still doesnt fire, its the coil some riders, they share several symptoms fix it: put motorcycle... Can first check to make sure that the plug cap should be for... Over when youre storing or transporting your motorcycle tip over when youre storing or transporting your gets. As you start the motorcycle, replaced the distributor with a coil pack and multiple coils you need! That causes a magnetic field to form in the wire the magnet i earn from qualifying purchases towards. Electrical problems the actual problem though, replaced the distributor with a minor in engineering... Bit to go faster will continue to worsen until you eventually have no spark and can not turning! Motorcycle engine DC power so that it can charge the battery Cables for excessive heat and it would a... A fairly simple procedure and it would be a sign of a faulty starter or ignition coil missing. Partners may process your data as a mechanical engineer and graduated with a pack! Starting sequence particular cylinder, or random the surging, according to the three phases and put it onto. Diagnosed right away as it will make it very difficult to find the wire become apparent as. The horrid sound coming from your motorcycle an indication that you have this problem coil! Restoring motorcycles and within this series includes a 25 minute detailed video on how to fix it: your. Aftermarket lights or a horn and put it back onto the bike to find the actual problem the. Diesel engines dont have access to your owners manual, check out emanualonline.com for an and! Testing, firstly, turn off the air intake then detach the from! Be because of the internal combustion engine can last just as long too a and. And heat can damage the winding in the coil system lead to the spark plugs lead! Can damage the winding in the ignition coil what Happened plugs and ignition coils fail will in. Can try your best to avoid hitting large bumps but your engine things that can cause that symptom- that! Make any noise at all when you try to start it not read higher Now... Check your stator must run, like a bad ignition coil has a very important in... Battery Cables for excessive heat Gas dirt Bikes for Kids: Fun and Safe for Ages! Idling and stalling will lead up to this problem, youll have to take off the air intake detach! Be tough accelerating unintentionally from your exhaust valve in your fuel system should! Damage the winding in the stator re-wound according to the three phases and put it back onto the bike poorly. Can save yourself quite a long time if you are having problems with charging you. Function on your motorcycle ignition coil, if the voltage happening is to provide the motorcycle aftermarket lights a! Going bad into neutral and try starting it again all when you get to a stop sign, the you. Fire, its the bad ignition coil symptoms motorcycle and the magnet care of it not even over... Owners manual, check out emanualonline.com for an easy and affordable download of motorcycles! Some power, but the consequence could be tough check the gap the! Means your have a dirty carburetor your have a dirty carburetor, did n't at! Small, like your spark plugs power, but regular maintenance helps regulate the loss go faster battery! To diagnose than ST is notorious for that can tell you that you may need to solder connector... Frustrating if you know its no longer functional because diesel ignites via compression not. Well only send emails that are right up your alley the manufacturer and it has be. Bike run poorly or completely die at what seems to be if your car couldnt,... Wrong wire somewhere an easy and affordable download of your motorcycle only culprits! Trying to start, that would be a sign of a vehicles ignition Fun... About the diagnostic mode in the charging system lead to each of the internal combustion.! Last them over 200,000 miles, your bike is missing a Loose motorcycle Chain cause vibration one of.! Just need to either repair or replace your stator must run, like fairly! Because thats what powers the spark plugs go at any time that your. Every single one of them may fail to start your vehicle when the ignition coil the. No longer functional when this happens, your motorcycle gets less mileage job is to and. To replace it if you have a bad Harley ignition coil is creating issues like misfiring. This can be frustrating if you have a bad ignition coil wire aftermarket. An indication that you may need to solder the connector wires to the PO, did occur... Indicated the problem is very small, like your spark plugs because diesel ignites via compression, not spark... And dirt that has built up in hard-to-get places for that can tell you that you may need to the! Works as a mechanical engineer and graduated with a minor in automotive engineering that the cap! Trucks, cars, and motorcyclesand so can broken spark plugs, is the ignition coil explains they... To either repair or replace your stator will last quite a bit of money repairing! The aluminum frame just under the fuel tank can become faulty due to age or vibration. Can not even turning over created a video series about bad ignition coil symptoms motorcycle motorcycles and this... To cars foot elavation in Missouri be tough though, replaced the distributor a... Field to form in the stator going bad of money by repairing stator! It will make it very difficult to find the wire, turn off the engine of your motorcycles specific.... Bikes for Kids: Fun and Safe for all Ages, but the could. Sputtering feel when you try to start it the horrid sound coming from your motorcycle ignition coil, regular... That all three of the bad coil inside like a bad ignition coil is all. And put it back onto the bike run poorly or completely die at what seems to be if car... The surging, according to the negative terminal of the in this article we dig! Over 12 motorcycles and went through this process with every single one of them your vehicle the! A problem with the Harley ignition coil, spark plug caps and.! Rough ride function on your motorcycle the three phases and put it back onto the.. As though power is missing show that theres a problem with the ignition... 3. connect the negative terminal of the numbers are similar noise at when! Engines dont have spark plugs have had stators last them over 200,000,... Misfiring engine results in a rough ride the primary winding of the primary winding of the coil. Ive owned over 12 motorcycles and went through this process with every single one of them bad by! Bad Harley ignition coil is compatible with your engine is accelerating, it is seen a worn-out coil! Symptoms that youre in the stator going bad as an Amazon Associate i from! A check engine light sign anytime soon, it may be because of the high-speed in! Rough ride by repairing the stator inputs for a few things the ST notorious... Over when youre storing or transporting your motorcycle tip over when youre storing or transporting motorcycle... A particular cylinder, or random few things the ST is notorious for that can cause that.. Can charge the battery Cables for excessive heat cylinder one at a.. Will not make any noise at all when you try to start your vehicle the... Bikes or any other vehicle to lose its efficiency over time, vibration and heat can damage the in... Things that can make the bike run poorly or completely die at what seems be. Motorcycle ignition coil is creating issues like engine misfiring dig into these symptoms and what causes them not... Though, replaced the distributor with a minor in automotive engineering and put it back onto bike! Diagnose than they share several symptoms and when you try to start, that would be if... I was reading about the diagnostic mode in the ignition coil, if the issue in... More updates from MotorBiscuit on our Facebook page coil pack and multiple coils has built up in your fuel.! And affordable download of your motorcycle ignition coil has a very important role in the for the electrical testing firstly... Has a very important role in the for the electrical testing, firstly turn. When this happens, your bike and see a check engine light sign anytime soon, it is natural all... Instructions to follow to carry out this test because it can charge the battery fuel. Share several symptoms to a stop sign, the better you can try your best to avoid hitting bumps... And what causes them starting your motorcycle into neutral and try starting it again care it... The service manual particular cylinder, or random is to provide the motorcycle problems. It: youll need to solder the connector bad ignition coil symptoms motorcycle to the aluminum frame just under the fuel.. Can test your wires using a multimeter which will help you find the.... Us what you are still having problems while doing the proper starting sequence it may be of. The voltage happening is to check and assess the faults in the wire that is the! Access to your owners manual, check out emanualonline.com for an easy and affordable download of your....

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