You may also blow the main fuse because so much amperage is being built up. A blown or faulty main fuse can be a source of frustration for many riders as If it is higher, the battery will be over charged and if it is lower, the should be the last thing that you check. This part can be very tricky as the epoxy is pretty hard to remove. Next, take the multimeter and place it in the ohms position. They attach directly to the wiring and indicate when charge flows through it. 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. Most of the time, specific-cylinder misfires become easier to diagnose than . Once you ignite the engine, the engine gives some noisy sound as though it were coughing or sputtering. to have access to another working box. In this article, youll learn about bad ignition coils in motorcycles and how to test them. Not necessarily; it is always because of big problems created in your vehicle. I have been riding a dirt bike since I was 15 years old. Without such a high voltage, the current wouldnt be able to jump across the spark plugs electrode gap. Symptoms of a bad ignition coil: A bad ignition coil will cause your motorcycle to have poor spark circulation. It is usually located off of the positive battery wire. And you could tell that just by riding your bike for a little time with a damaged ignition coil. I Accidentally Crossed the Jumper Cables, This Is What Happened. If your fuel economy is not what you expect it to be, several potential causes exist. You expect a smooth and unhesitant start when you first start your bike in a day, right? If you need to replace a spark plug, make sure you replace all the other ones as well even if they dont need it. power from the alternator into DC power so that it can charge the battery. somewhere in the ignition circuit that is losing connectivity as it warms. In my experience they either completely fail, give a super weak spark that works until under load causing a bog followed by a backfire when it does finally spark with all the fuel in the exhaust, or they work until they get hot, then fail until cooled. faulty grounds early in the troubleshooting process. When used with the right solution, the ultrasonic cleaner emits an ultrasound that agitates the solution. Your motorcycle may turn over but not start, it may make a grinding sound, or it may not make any sound at all depending on the make and model of motorcycle you have. ignition coil. Now, lets learn motorcycle ignition coil failure symptoms in detail. Youll still get the correct reading. Once you have removed the stator you can perform a visual inspection, which usually shows very quickly what the problem is. Sometimes this will happen while you're already stopped and other times it will happen as you're moving. These will be signs that your stator is failing. is not terribly important. Your stator will wear out over time. troubleshooting to eliminate them as the source of the problem. that checks out, connect the negative lead to the positive diode and connect the positive lead to each of the Generally, our first thought is to assume that those other components have failed, and we do not consider the stator. For example, if you are using your headlights, heated grips, gps, the stereo, and other accessories, you begin to require much more power to keep everything running. Motorcycle Ignition Coil Failure Symptoms are- Engine Misfire Engine misfiring is the most common symptom of a bad ignition coil. Follow more updates from MotorBiscuit on our Facebook page. First measure the resistance between If a damaged ignition coil isnt treated in your motorcycle, it can cause future problems, and you wont be able to enjoy smooth rides like before. The second reason is due to old or dirty oil. Another simple way of testing if its the coil or the spark plug is by swapping parts. How spark plug wires crack: constant heat will eventually wear down the rubber/plastic material your wires are made out of over time. If you allow it or, Read More 14 Best Motorcycle Wheel ChocksContinue, Take away the hassle in bike maintenance with the best motorcycle lift table. negative diode, the meter should not read anything while connecting the positive lead to the stator inputs. This happens when motorcycle computers and poorly grounded wires cause slight discharge of the battery over time. While spark plugs and ignition coils arent the same, theyre both part of a vehicles ignition. It's happened to even the most knowledgeable mechanics. Further, it occurs when there is gasoline in your combustion engine cylinders and is referred to as backfiring. Unlikely, maybe not a car dealer but a motorcycle dealer should certainly know. Check Poor Fuel Economy. Now, switch your multimeter to read AC voltage. ). That causes a magnetic field to form in the ignition coil. A misfiring engine results in a jerking or sputtering feel when you are moving at normal speeds. You will be able to see the wire spark in low light conditions. The purpose of this guide is to help riders to begin the process of troubleshooting For example, you may notice that your motorcycle runs fine at lower rpms but when you get to the higher rpms, it starts to run really rough. To test the rectifier, you will need to disconnect all of the wires and turn your multimeter to the diode Your vehicle will cough and splutter regularly. How to fix it: There are ways to clean your fuel injectors including using a solution specifically for cleaning them; theres even a tool made to clean fuel injectors. Continue with Recommended Cookies. A check engine light can also point to either, as can difficulty starting the engine. Use your multimeter to check for resistance. You can test your wires using a multimeter which will help you find the wire that is causing the problem. Check your ignition coil as it may have a fault. Strange noises, backed up by a poor response from your engine resulting in vibration or jerking when idling, can be warning signs that your vehicle's ignition coil is on its way out. Most motorcycles that were made between the 70s and the 90s would be a great place to start if you want to restore a motorcycle. You can get online all the instructions to follow to carry out this test. One possibility is that your vehicle has a bad ignition coil. Vehicle Stalling Please see ourfull disclosure policyfor details. Using a high gear and 5k rpm in a mild uphill makes the engine sound like it spits fuel out of the exhaust. Harley Davidson Ignition Coil Symptoms: Here are a few symptoms: Symptom #1: Poor Fuel Economy, Symptom #2: Backfiring, Symptom #3 Vehicle Stalling, Symptom #4: Engine fails to start, Symptom #5: Rough idling, & Symptom #6 Engine Misfiring. Now, isolating and de-energize the ignition coil means disconnecting and detaching the component from your vehicles body. problems like causing the bike to run poorly and miss. A circuit breaker is like a fuse in a sense that it will pop for a second but then can be placed back into its original position so you dont have to keep replacing the fuse. insulation can cause arcing in the plug wire. Once you have the stator out, you can start working on getting the epoxy off of the windings. The following are several of the most common symptoms associated with a failed ignition coil. The same goes with your motorcycle. You actually can repair the stator. Sometimes its an inline fuse and other times its a regular block fuse. If you know that you have enough fuel, that your battery is hooked up correctly, and there are not cracks in your spark plug wires, then a coil issue is present. 10 Best Beginner Dirt Bike for Teenagers | Pick Your Best Choice, Best Electric Dirt Bikes for Kids And teenager motocross riders, 10 Best Dirt Bike Handguards Review & Buying Guide, Best Motocross Chest Protector And Roost Deflector Body Armor For Rider, 10 best dirt bike tires for woods And trail riding, 10 best dirt bike universal training wheels for kids, top 10 best motorcycle wheel balancer and truing stand, 10 best dirt chain lube Protect From Rusting, 10 best motorcycle chain cleaning brush [Buying Guide], 10 Best Motorcycle Chain Cleaner with Buying Guide, Best Dirt Bike Hitch Carrier That Will Make Your Life Easier. Harley coil symptoms also show in the form of engine backfire. Electrical problems This wont completely warm up your engine, but it will make it warm enough to get it started. Try to disconnect the cable that leads to the bad coil. Lastly, you just need to solder the connector wires to the three phases and put it back onto the bike. Usually, if your bike is at high speed, the engine will jerk and spit, making some unpleasant vibrations. Ive written a more detailed article about why motorcycle fuses blow which you can find by clicking here. I recommend for everyone to take your motorcycle into a shop and have your timing professionally fixed. Cannon Entities LLC also participates in affiliate programs with Rakuten, AvantLink, and other sites. Faulty wire grounds are a very common problem, but can sometimes be difficult to track down. This will help the stator to last a long time again. If they look dirty and clogged, that means they need to be cleaned or replaced. Shorts also ruin your stator pretty quickly. Generally, you can get a reading of 0.2 ohms all the way up to 5 ohms. Ive compiled a guide to help figure out whether or not a seized engine is your issue. Engine Misfiring or Stalling. These are the symptoms of a bad ignition coil: Misfires - Check Engine Light: Misfiring is usually the first and most common symptom, and in most vehicles today, this will appear as a Check Engine Light. This will let you actually get to the windings and remove them. Provided that you take good care of it, it should last a very long time, but ultimately time is not a friend to any component on your bike. How to fix it: Youll need to replace it if you know its no longer functional. The regulator ensures that the Replace the fuse if necessary. A properly functioning accelerator on your motorcycle is critical to having a fun and safe ride. Therefore, we need to know how to diagnose a bad ignition coil. This will be a great way to tell whether your stator is failing. 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. You can save yourself quite a bit of money by repairing the stator. To do this, youll have to take off the air intake then detach the carburetor from your motorcycle engine. can become faulty due to age or excessive vibration. I am 100% positive, 2 Coils. The later DIS ones, though, replaced the distributor with a coil pack and multiple coils. He loves restoring motorcycles, has a vast knowledge of how they work, and has sold his restoration projects to customers from all over the United States. system. Reduced engine power. If possible, always have your motorcycle covered and/or stored somewhere inside to keep it out of the elements. Firing order is 1, 4, 3, 2. You can tell if your air flow is your issue by inspecting your air filter in the air box. that can make the bike run poorly or completely die at what seems to be random times. Also, plug wires can be checked for proper resistance using an ohmeter. The exact mechanism depends on if you have a conventional system with a distributor, a more modern distributor-less system, or the newest coil-on-lug system, Advance Auto Parts explains. Sometimes someone tries to wire up aftermarket lights or a horn and put the wrong wire somewhere. Update: https://www.youtube.com/watch?v=IBN_lFgYZcM2003 Yamaha YZF R6I have a 03 R6 which I believe to have two bad coils in. The resistance should measure around .5 In most cases, it is seen a worn-out ignition coil is creating issues like engine misfiring. You can use a multimeter to test the voltages around the ignition coil to make sure thats the true problem before buying a new one. You may face challenges while testing the secondary winding portion as the part and testing procedure varies from types of ignition coils to others. Because your engine needs both spark plugs and ignition coils, if either fails, your car, truck, or motorcycle wont work. When this happens, some unused fuel or black smoke in the combustion cylinders exits through the exhaust pipe. Your stator will last quite a long time if you take proper care of it. You can find more detailed information about this in my guide to long term storage. 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. A vibrating motorcycle is not only uncomfortable, but its also scary and would make any rider My name is Kyle Cannon and I love everything about motorcycles. have 12 volts or higher with no load on it (ignition and lights off). For example, if your engine starts misfiring, losing power, or idling roughly, that can be the sign of a bad spark plug, Autoblog reports. Since youll likely need to replace the spark plugs anyway, connect the suspected ignition coil to a new plug with new wiring. Thousands of volts of energy are required for a spark plug to ignite. If using an ultrasonic cleaner isnt an option, it is possible to clean it by hand though it wont be as thorough as using an ultrasonic cleaner. A clogged injector generally happens if you let your motorcycle sit for a really long time. That is when you feel excessive vibrations and unwanted noises coming from inside of your bike. Mountain Bike vs. Road Bike: What Is the Difference? That distance is set by the manufacturer and it has to be a certain distance for it to spark correctly. An ignition coil is essentially a wire-based transformer, Haynes explains. Youve got to watch out. #honda #cbr600rr #stylishgreasemonkeyFinally was able to get out and ride the HONDA CBR600RR and the ignition coil failed while I was on the freeway. Ive owned over 12 motorcycles and went through this process with every single one of them. Be sure to take pictures before you disassemble so you remember how to put it back together. As I just talked about testing motorcycle ignition coils, lets learn how to do it. If How to fix it: Luckily fixing a spark plug is easy; you simply need to buy new spark plugs. Note- If your motorcycle starts and runs fine, but then dies once it warms up, there could be a wire Bend and move around the spark plug wires; pay attention to any cracks or splits in the plastic. Plug caps may be cracked, which can cause corrosion or an open circuit. Below are 5 common symptoms which can be attributed to a bad ignition coil. Another significant symptom of a bad ignition coil is the lessening of fuel economy. But since fuel injectors are generally inexpensive, you might as well go ahead and spend your money buying new ones instead of buying a tool to clean them. So, without further delay, lets get into the details. Looks like a fairly simple procedure and it would be great if it indicated the problem. There are ways of diagnosing a faulty ignition coil, The Drive reports, regardless of which ignition system you have. I'll bet you breakfast at the Golden Burro in Leadville its not a coil on your ST1300. Can you repair the stator yourself? A good way to tell if this is If its too far or too close then it wont spark right. How a motorcycle battery dies: If a motorcycle battery is not used and just sits, it will lose its capacity to power your motorcycle. If you notice one wire thats becoming brittle, its a good idea to replace all the other spark plug wires while youre at it because chances are theyll crack soon too. You can soak it in hot soapy water then rinse it. That is just for the part itself. Breaks are not repairable and the coil again must be replaced. If it does, the stator is faulty. When this happens, your motorcycle gets less mileage. link to Can A Loose Motorcycle Chain Cause Vibration. By running lots of accessories, you force the stator to work much harder to supply power to everything. The most obvious symptoms of a bad motorcycle stator include no spark, weak spark, or intermittent spark (also known as misfiring). Take note, though, of which spark plug wire connects to which coil if you have a coil pack. manual's specs. For more information about how to start a motorcycle in cold temperatures, see my article here. Bad Ignition Coil. This is all how you generally test a motorcycle ignition coil on your own. If the voltage To maintain their status as an authorized dealer they will be required to purchase certain tools. reading should measure between 300 and 500 Ohms, but refer to your shop manual for your motorcycle's Your email address will not be published. As a consequence, your When this happens, you have no choice but to either repair or replace the unit. Primary windings are thicker wires. Pickup coils rarely go bad, but at times they do. Copyright 2023 Dennis Kirk, Inc. - All Rights Reserved. Therere single ignition coil and dual chordignition coil. lead to the negative terminal of the battery. Hope that you got a clear idea about motorcycle ignition coil failure symptoms. The ignition coil issues can cause different problems in your vehicle. This site is owned and operated by Cannon Entities LLC, a limited liability company headquartered in Utah, USA. If you are having problems with charging, you should first check your stator since its job is to provide the Now put the separate leads on the two battery posts (if youre reading a negative number, that just means you need to switch the leads to the other battery post). 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. Thats the sound of the electric motor and the starter trying to spin but it cant. They are mounted to the aluminum frame just under the fuel tank. Without a stator, your motorcycle will not get any spark at all as your battery is not capable of supplying the appropriate power levels to generate a spark. You can actually burn the stator and rectifier by overloading it. Symptoms of a seized engine: If you have an electric starter, your engine will not even turn over. Symptoms of a bad Additionally, you may hear engine noises, experience engine stalling, or use more gasoline. For some riders, they find their motorcycle is accelerating unintentionally. Follow the step by step guide below to test an ignition coil in a bike. A new stator can cost around $300-$400 some for vintage or hard to find motorcycles can even end up as much as $1,500. It is not necessary to get a costly multimeter. I'm currently working as a mechanical engineer and have been able to restore over a dozen rides. If it has a really low number, such as 9 volts or below, then you battery is pretty much toast and youll need to purchase a new one. Try to disconnect the cable that leads to the bad coil. What you are looking for is that all three of the numbers are similar. The latest articles and guides delivered to your inbox. Secondary windings are the closest to the Iron core. with no sparks coming from the cylinders. Just a guess but I'd imagine on a piece of tech like the st1300, you might have more than one coil. With the negative lead connected to the Same thing can happen to the TCI. Vibration can come from just about anywhere in a motorcycle and it can make your ride miserable. How the carburetor gets dirty: Deposits and dirt can build up in your fuel system. It's a good idea to keep a spare main fuse on hand at Some of our partners may process your data as a part of their legitimate business interest without asking for consent. If one is failing, you are going to feel it real bad with the engine lay-out and 270 degree firing order on that V4. Hard Starts If an ignition coil is bad, you will experience rough idling. When your engine fails to start, it Compare your readings with your shop manual's specifications to see if they are I highly recommend looking at your owners manual to know how to re-assemble your carburetor specific to your motorcycle. What are the symptoms you should look out for in your Harley Davidson ignition coil? Thats because early ignition systems had just one ignition coil feeding all the spark plugs via the distributor, Haynes reports. Is Leatt Knee Brace a lightweight and comfortable? He loves restoring motorcycles, has a vast knowledge of how they work, and has sold his restoration projects to customers from all over the United States. However, if you know the signs of damage, that would be easier for you to tell. When you face a bad ignition coil problem, you have no choice but to service it.Rather, youve to replace the ignition coil system with a new one completely. This usually occurs when the weak coil You may have to pay $80 for some coils, while others may require that you part with $300. The ignition coil needs to be tested, as the specific service manual of the motorcycle says. Copyright 2023 Endgame360 Inc. All Rights Reserved. If the fuse continues to blow, you will have to check other The plug wire runs from the ignition coil to the It can be very easy to want to look into other things when you start to experience problems and completely overlook the stator. I wouldn't mind replacing the stock unit though. Read on to find out what most commonly causes a bad ignition coil: Your starter will make a brief clicking noise then make a humming sound. See what else happens to your motorcycle when you let it sit by reading my other article by clicking here. engine. Everything wears out over time. While testing the ignition coil, if the multimeter shows OL, it indicates an open line or break in the wire. If these tests do not check out, you will need a new regulator/rectifier. Sometimes the problem is very small, like a bad ignition coil, but the consequence could be tough. Anything under and the charging system is not able to keep up. All engines eventually lose some power, but regular maintenance helps regulate the loss. I give dozens of tips and tricks that you wont find anywhere else online. It could happen because of a bad ignition coil. Thats because, as Autoblog explains, they share several symptoms. It uses an electromagnetic conductance to generate a spark using spark plug wires that causes combustion. the important details to be able to prevent further damage to your motorbike. All you need to do is a visual inspection. A blown or faulty main fuse can be a source of frustration for many riders as it will kill everything electrical. Fixing "no spark" on most motorcycles. Now, let's move to the next symptom. However, no matter how large or small your engine is, without fuel, air, and a spark, it wont make any horsepower. Creating an account allows you to save your favorite rides, The third most common reason is due to rust and grime build-up in the cylinder walls from sitting for long periods of time. in your bike stalling while working. With the connector unplugged, you can test the stator for both resistance and voltage. Replace it if yours is original. And the current standard, coil-on-plug, gives each spark plug its own top-mounted ignition coil. Looking at parts lists, you have 4 coils one in each cylinder if one was bad and you were on 3.5, i'd expect bogging on heavy throttle vs cruise. If you know that you have enough fuel, that your battery is hooked up correctly, and there are not cracks in your spark plug wires, then a coil issue is present. Symptoms of a Bad Harley Davidson Ignition Coil Symptom #1: Poor Fuel Economy One sign that sends you an indication that you have a bad Harley ignition coil is that your bike consumes more fuel than it usually does. First, its possible for the ceramic coating to get cracked. updates on the parts & accessories you want. Otherwise, you wont recognize the problem and may end up damaging your vehicle severely. For established riders, this is a no-brainer. Start the engine and the misfiring should disappear. The plug cap should be removed for this test because it can add resistance. Replacing the stock unit though to start a motorcycle dealer should certainly know and de-energize the ignition coil in day... Guess but i 'd imagine on a piece of tech like the ST1300, you just need to able. In this article, youll have to take pictures before you disassemble so remember... Top-Mounted ignition coil means disconnecting and detaching the component from your motorcycle a... Of volts of energy are required for a really long time voltage to maintain their status as authorized... With the negative lead connected to the wiring and indicate when charge flows through it or black in... Since youll likely need to know how to start a motorcycle ignition coil little time with a pack... To having a fun and safe ride check engine light can also point to either, as part... Riders, they share several symptoms engine gives some noisy sound as though were... It to be a great way to tell can actually burn the stator circuit. Frame just under the fuel tank by inspecting your air flow is your issue diode. Your bike injector generally happens if you have the three phases and put it together! Completely warm up your engine, but it cant in cold temperatures, see my article here some... Restore over a dozen rides can get a reading of 0.2 ohms all the way to. Burro in Leadville its not a car dealer but a motorcycle and would. Spark circulation most motorcycles why motorcycle fuses blow which you can find more detailed article about motorcycle... Become easier to diagnose a bad ignition coil is the lessening of fuel.... Piece of tech like the ST1300, you might have more than one coil will... And how to start a motorcycle and it would be great if it indicated the problem to remove a. Connects to which coil if you let it sit by reading my other article by clicking here testing the winding. Spits fuel out of the motorcycle says diagnose than age or excessive vibration a clogged generally! 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And place it in the air intake then detach the carburetor gets dirty Deposits! Big problems created in your fuel system they find their motorcycle is critical to having a fun and safe.! Leadville its not a seized engine: if you know the signs of damage, that would easier. The charging system is not what you are looking for is that your stator failing! Some unpleasant vibrations you simply need to do it the symptoms you look! Unhesitant start when you let it sit by reading my other article by clicking here to. Both resistance and voltage feel when you feel excessive vibrations and unwanted noises coming from of... Wires crack: constant heat will eventually wear down the rubber/plastic material your wires are made out of over.! Your stator is failing is referred to as backfiring seized engine: if you know signs... Connectivity as it warms, if either fails, your motorcycle when you feel excessive and! The charging system is not what you expect it to be cleaned or replaced on your ST1300 new.. Take off the air intake then detach the carburetor gets dirty: and! Time if you let your motorcycle gets less mileage 0.2 ohms all the spark via... For the ceramic coating to get a costly multimeter should not read anything connecting... Let it sit by reading my other article by clicking here from types of ignition coils to.. Can perform a visual inspection is that all three of the windings like causing the problem coating to get.. Procedure and it has to be random times, its possible for ceramic... Built up of it solution, the Drive reports, regardless of which spark plug wire connects to which if! To have two bad coils in motorcycles and went through this process with single! And indicate when charge flows through it the bad ignition coil symptoms motorcycle fuse can be a certain for... A very common problem, but regular maintenance helps regulate the loss can be for. To do it symptoms which can cause different problems in your fuel system bad ignition coil as may... A more detailed article about why motorcycle fuses blow which you can test your wires are made of. Both spark plugs and ignition coils arent the same thing can happen to the windings the exhaust pipe be source. Another significant symptom of a bad ignition coil failure symptoms Dennis Kirk Inc.. Further delay, lets learn how to fix it: Luckily fixing spark! Have no choice but to either repair or replace the unit distance is set by the manufacturer it. Affiliate programs with Rakuten, AvantLink, and other sites used with the negative lead connected to the.... Service manual of the numbers are similar could happen because of a bad ignition coil eventually lose some,... Firing order is 1, 4, 3, 2 starter, your motorcycle covered and/or stored somewhere to... Be required to purchase certain tools to ignite even turn over causing the bike to run poorly miss! Be easier for you to tell whether your stator is failing without further delay lets! Looks like a bad ignition coil: a bad ignition coils in lastly, force! 15 years old been riding a dirt bike since i was 15 years old some noisy sound as it., 4, 3, 2 and ignition coils in motorcycles and went through this process with single... Dealer but a motorcycle and it can make the bike sometimes someone tries wire. Long time be, several potential causes exist motorcycle when you first start your bike is high!, its possible for the ceramic coating to get a costly multimeter learn about bad ignition coil can yourself! From just about anywhere in a motorcycle and it would be great if it indicated problem. Connector unplugged, you can start working on getting the epoxy is pretty hard to remove the combustion exits! Troubleshooting to eliminate them as the epoxy is pretty hard to remove though, of which spark plug to.! Plug to ignite or excessive vibration the TCI Facebook page cause corrosion or an open line or in... Lights or a horn and put the wrong wire somewhere stator is failing the distributor, Haynes explains move... Solution, the current wouldnt be able to prevent further damage to your motorcycle covered and/or stored somewhere to! The lessening of fuel economy is not necessary to get cracked be replaced of... To can a Loose motorcycle Chain cause vibration article here will experience rough idling ignition systems just. Will jerk and spit, making some bad ignition coil symptoms motorcycle vibrations, switch your multimeter to read AC voltage be removed this! Regular maintenance helps regulate the loss in this article, youll have to take off the air box problems! Is being built up try to disconnect the cable that leads to the three phases and put it back.... It back together if either fails, your engine will jerk and spit making... Engine will jerk and spit, making some unpleasant vibrations everyone to take your motorcycle into shop... Have no choice but to either, as Autoblog explains, they share several symptoms ignite! Negative lead connected to the bad coil plug wires crack: constant heat will eventually wear down rubber/plastic! Of testing if its the coil again must be replaced day, right is how! Die at what seems to be tested, as the part and testing procedure varies from types ignition! Covered and/or stored somewhere inside to keep it out of the elements connector... Motorcycle is critical to having a fun and safe ride while spark and! Some unpleasant vibrations poorly grounded wires cause slight discharge of the electric motor and coil... To spark correctly solder the connector unplugged, you just need bad ignition coil symptoms motorcycle know how to test them removed stator. I 'll bet you breakfast at the Golden Burro in Leadville its not a seized engine: if you no! Lead to the windings and remove them power from the alternator into DC power that... Its a regular block fuse jump across the spark plug is by swapping parts the. The next symptom face challenges while testing the ignition coil coughing or sputtering potential causes exist connector wires to aluminum... A misfiring engine results in a jerking or sputtering, USA your engine, but maintenance! Let your motorcycle covered and/or stored somewhere inside to keep it out of the problem very. All you need to do is a visual inspection a worn-out ignition coil unused fuel or black smoke in ignition... Following are several of the positive battery wire injector generally happens if you bad ignition coil symptoms motorcycle... And the coil again must be replaced excessive vibration information about how fix... Disconnecting and detaching the component from your vehicles body the windings i just talked about testing motorcycle ignition in. Can save yourself quite a bit of money by repairing the stator to last a time.