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. You can tell the fuse is blow by either black material found on the fuse or if the wires inside the fuse are disconnected. Any auto parts store will be able to identify the right fuse you need. Thats because early ignition systems had just one ignition coil feeding all the spark plugs via the distributor, Haynes reports. To test the source coil, you will need to check the resistance between the output wire and the ground. Empty gas fuel tank indicator on car dashboard. Compare your readings with your shop manual's specifications to see if they are that checks out, connect the negative lead to the positive diode and connect the positive lead to each of the So, you must be very careful about it. However, no matter how large or small your engine is, without fuel, air, and a spark, it wont make any horsepower. Symptom #2: Backfiring On average, prepare something in the region of $150. 2. The battery should Is Leatt Knee Brace a lightweight and comfortable? You will want to file off any sharp edges on the stator. They are mounted to the aluminum frame just under the fuel tank. Thats the sound of the electric motor and the starter trying to spin but it cant. How spark plugs stop working: a spark plug can go bad a few different ways. of 10.5 volts after being charged, it is likely that one of the cells of the battery is shorted. Symptoms of a bad starter: This is only applicable if you have an electric starter. Fortunately, they are not that difficult to test. ignition coil. 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. Automobile engines run maintaining sequences. sign in single-coil engines, and the engine will produce some cranking sound You can soak it in hot soapy water then rinse it. Currently I am riding kawasaki KX450F. Motorcycle electrical systems have been known to strike fear even into some of the most seasoned home motorcycle The more you understand how a motorcycle works, the better you can understand how a car works. Not necessarily; it is always because of big problems created in your vehicle. In this article we will dig into these symptoms and what causes them. I have used this method hundreds of times and it has worked great. When this happens, some unused fuel or black smoke in the combustion cylinders exits through the exhaust pipe. Finally, never underestimate the implication of that popular saying: procrastination is the thief of time. Delay is dangerous. Take it to a Honda dealer and ask him to run diagnostics on it. Vibration can come from just about anywhere in a motorcycle and it can make your ride miserable. Anything under and the charging system is not able to keep up. If you have experienced a problem with our website, please describe the issue in as much detail as possible so our team can explore it further. The consent submitted will only be used for data processing originating from this website. Kyle currently works as a mechanical engineer and graduated with a minor in automotive engineering. This is a result of the high-speed coil in the stator going bad. Youll have the positive wire going straight to ground and its too many amps for that fuse to handle thus causing the fuse to blow to protect the battery and the wiring. How to fix it: all you need to do is simply replace the spark plug wire. Take note, though, of which spark plug wire connects to which coil if you have a coil pack. 16 Great Gas Dirt Bikes for Kids: Fun and Safe for All Ages! Or, simply unplug the wires from each cylinder one at a time. It can be very easy to want to look into other things when you start to experience problems and completely overlook the stator. If they look dirty and clogged, that means they need to be cleaned or replaced. Check your ignition coil as it may have a fault. When the ignition coil is energized, battery voltage flows through the primary windings, creating a magnetic field. There are certain functions on your motorcycle that your stator must run, like your spark plugs. If your motorcycle starts up then you know your issue is the air flow. 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. power from the alternator into DC power so that it can charge the battery. Vibration also does a lot of damage to your stator. You can try your best to avoid hitting large bumps but your engine will still experience vibrations. 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. Your email address will not be published. Pickup coils rarely go bad, but at times they do. shop manual should have the correct specifications for your specific ignition coil. 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. 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. Every motorcycles process of timing is different from each other. For some riders, they find their motorcycle is accelerating unintentionally. happening is to check the battery cables for excessive heat. 2. That causes a magnetic field to form in the ignition coil. If your fuel economy is not what you expect it to be, several potential causes exist. Then take the positive and negative wire leads and attach them to the posts of the primary winding of the ignition coil. with two working CDI boxes. You will be able to see the wire spark in low light conditions. Second, a spark plug can go bad by fowling. Most of the time, specific-cylinder misfires become easier to diagnose than . Harley coil symptoms also show in the form of engine backfire. Attach the other wire of the test condenser to a ground. Excessive vibration or noise can also be seen when you change the gears of your motorcycle. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. This is a much harder thing to prevent though. The first comes into play when you press the start button or turn the key. Being a biker is not a fashion, it is a lifestyle. How can you tell if the issue is in your motorcycles ignition coil? is possible that the battery is no longer operable. Youll need to figure out which wire is poorly grounded. The diagnostic tool should be one of them. So, do not belittle this problem. The ignition coil takes a low voltage and transforms it into a high voltage sufficient enough to create a spark inside your vehicles engine that can create combustion. Poor idling and stalling will lead up to this problem. The ignition coil is not a huge component of a motorcycle, yet it is important for your bikes health. This post may contain affiliate links. 80XS11, XJ11,83XVZ12 mlew, May 7, 2012 #2 Just because a dealer has to purchase certain tools doesn't mean they know how to use them on a motorcycle they have probably never seen before. How to fix it: youll simply need to replace your air filter in the air box, or, if needed replace your pod filters. Engine Misfiring or Stalling. J jonnyrotton Registered Joined Aug 17, 2011 8 Posts Having done that, unscrew the bolts that hold the coil and remove the faulty coil from the engine bay and follow the installation process to set up the new one. First, use the multimeter leads to check to have access to another working box. Automobile engines run maintaining sequences. Symptoms of bad ignition coils that you may experience are an engine light, rough idle, loss of power, and a smell of gas. The problem with that is most Honda dealers don't even know what a ST1300 is. This should be an open circuit and the meter should not read anything. Other causes of ignition failure: --Bad fuse box- Our old OEM fuses are prone to corrosion and weak connections. How the motorcycle engine timing gets off: its possible the timing was not set right if someone has previously taken your engine apart and reassembled it together with or without professional help. Symptoms that your motorcycle is too cold: This is only applicable to motorcycles that have a carburetor and does not usually affect motorcycles that have a fuel injection system. The third sign to look for is hearing no sound whatsoever when you try to start it, even though you know the battery is good and the starter is hooked up correctly. When the sequence gets interrupted by a damaged ignition coil, your bike starts to misfire. Creating an account allows you to save your favorite rides, voltage is delivered within certain limits, as not to damage the battery. You may also be able to get it started and it may backfire then stall. Sometimes, a spark plug problem is actually an ignition coil problem. reading should measure between 300 and 500 Ohms, but refer to your shop manual for your motorcycle's create and share wish lists, view your order history and get The longer you have a motorcycle, the longer it is exposed to vibrations, heat, cold, wind, water, etc. First, its possible for the ceramic coating to get cracked. A clogged injector generally happens if you let your motorcycle sit for a really long time. Due to a defective ignition coil, your car engine might misfire and pour fuel out of the exhaust pipe without burning it, causing the engine to consume more fuel. the negative diode while connecting the negative lead to the stator inputs. 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. often cause an instant phone call to schedule an appointment at the bike shop. Click herefor more information if youre interested in viewing multiple videos that will help fix up your bike or if youre interested in completely building your dream motorcycle! If the battery drops below 10.8 volts, it I give dozens of tips and tricks that you wont find anywhere else online. Motorcycle Ignition Coil Failure Symptoms are-. There are so many different signs pointing towards a failing stator. A bad ignition coil can reduce your motorcycles work efficiency and put you in a difficult situation. mechanics. The third way a spark plug can fail is if the gap between the center electrode and the side electrode (or the distance between the two points on the end of the spark plug) is not set properly. The most common signs of bad ignition coils in BMW 2 Series are engine hesitation when accelerating or loss of power, rough idle, misfires, excessive fuel consumption, check engine light illuminates, and sometimes hard starting. How a motorcycle gets in the wrong gear: Often times people will turn off their motorcycle while its in gear and forget to put it back into neutral. However, motorcycles and cars share the same basic systems. An ignition coil is essentially a wire-based transformer, Haynes explains. This can be frustrating if Some symptoms are very common, matching other different symptoms in motorcycles. For established riders, this is a no-brainer. Check When you start your bikes engine and still havent made a move, its called idling. Note- If your motorcycle starts and runs fine, but then dies once it warms up, there could be a wire grounds on your motorcycle can be done quickly if you know where they all are. Your Harley engine backfire is noticeable when your engine runs lean or rich. 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. way. Readings over 1.5 Ohms are an To test the rectifier, you will need to disconnect all of the wires and turn your multimeter to the diode 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. While testing the ignition coil, if the multimeter shows OL, it indicates an open line or break in the wire. Suppose youre in the middle of a ride on a highway. The second reason is due to old or dirty oil. It is natural for all bikes or any other vehicle to lose its efficiency over time. theres a bad coil, we may be referring to low voltage. This website is where I report everything I've learned and continue to learn. function. That is when you feel excessive vibrations and unwanted noises coming from inside of your bike. You can tell if your motorcycle ignition coil is bad just by riding it. You can save yourself quite a bit of money by repairing the stator. Generally, if you burn the stator you will end up shorting together your three separate phase windings. What you are looking for is that all three of the numbers are similar. A good way to tell if this is There are ways of diagnosing a faulty ignition coil, The Drive reports, regardless of which ignition system you have. Ignition coils should be replaced only when it requires a replacement. Now, lets learn motorcycle ignition coil failure symptoms in detail. The check engine light tells you that something is wrong with the ignition coil indicating a fault code. connect the negative lead to each of the stator inputs. The same goes with your motorcycle. See what else happens to your motorcycle when you let it sit by reading my other article by clicking here. If you have this problem, youll have difficulty starting your motorcycle with the possibility of it not even turning over. Symptoms that the timing is off: this is most likely not your problem especially if your motorcycle has been previously running okay, but its definitely worth mentioning. There are other contributions, too, such as poor wire connections and the starter becoming overheated. It's a good idea to check for Youll need to plug in a space heater and blow it directly onto your engine and carburetor for at least 20 minutes. Gear Sustain operated by Northern Media LLC is a participant in a variety of Affiliate Programs including Amazon Affiliate Services LLC, an affiliate program developed to provide the opportunity for sites to earn commissions from its visitor's transactions. Save my name, email, and website in this browser for the next time I comment. It completes a circuit and sends power from the battery to the ignition coil and back again. indication that the stator is faulty. This site is owned and operated by Cannon Entities LLC, a limited liability company headquartered in Utah, USA. Engine misfiring and a dashboard check engine light are the two most common symptoms of a bad ignition coil. Theyre connected to the electrical components. Below are 5 common symptoms which can be attributed to a bad ignition coil. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. If possible, always have your motorcycle covered and/or stored somewhere inside to keep it out of the elements. Well, the best way to tell it is by testing the coils. You might be served by such an effort though. Your vehicle will cough and splutter regularly. If you notice that your motorcycle is very hard to start and that the difficulty of starting it seems to change with the temperature of the bike, you can be pretty confident that there is a stator issue. I'll bet you breakfast at the Golden Burro in Leadville its not a coil on your ST1300. How to fix it: there is no way around it, youll simply need to get a new starter. Make sure that it is gapped to the Riding a bike has mixed with me. 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. This usually occurs when the weak coil Eventually, your stator can prevent your motorcycle from starting at all. Your stator has to keep up with all of these accessories but also continue providing power to your spark plugs. lead to the negative terminal of the battery. There have been entire books written on this subject and this guide is not meant to replace them. battery may fully charge, but then drop significantly when under load. How can you tell when its going bad though? This website is where I report everything I've learned and continue to learn. You cant afford to see your motorcycle tip over when youre storing or transporting your motorcycle. The later DIS ones, though, replaced the distributor with a coil pack and multiple coils. 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. Therere single ignition coil and dual chordignition coil. Orders placed during the weekends or the following holidays will ship the next Troubleshooting electrical problems is simply understanding what each component's function is and then You might also be able to simulate the heat by using Copyright 2023. If you'd like us to follow up with you, enter the details below. We're always looking to improve your shopping experience. plug cap. Vibration can begin to rub the varnish that serves as an insulator on your stator windings off. spark plugs, is the ignition coil, spark plug caps and wires. I could see the regulator because the surging, according to the PO, didn't occur at his thousand foot elavation in Missouri. for all three (make sure to take into account the resistance between the leads). Move on if you are still having problems while doing the proper starting sequence. A great place to start is at the source of power. In some cases the performance issues may even result in the vehicle stalling. The ignition coil is a crucial component in maintaining the performance balance of your motorbike. All of these signs show that theres a problem with the Harley ignition coil. If the battery only measures to a maximum Looks like a fairly simple procedure and it would be great if it indicated the problem. I'm John. 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. This will let you actually get to the windings and remove them. So, you must be very careful about it. Engine misfiring is the most common symptom of a bad ignition coil. motorcycle electrical problems. You can then test the coils as they are being warmed up. Loss of fuel economy. that can make the bike run poorly or completely die at what seems to be random times. Just a guess but I'd imagine on a piece of tech like the st1300, you might have more than one coil. 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. Because of the faulty ignition coil, some unburned air-fuel mixture from the combustion cylinder comes out through the exhaust valve, and you could hear the loud sound of your motorcycle misfiring. 04. Further, it occurs when there is gasoline in your combustion engine cylinders and is referred to as backfiring. If the voltage Before you go through the process of technical troubleshooting, you should go back and eliminate the possible Manage Settings You can also manually inspect your fuel injectors. Fixing a seized engine can be very difficult depending on the severity and you may cause further problems tinkering around with it. The meter should not read anything on any of these. Having a strong stator is important for a lot of reasons. A motorcycle with faulty coil will make a start difficult, wont give a smooth ride, decrease the power and cause many other issues. Knowing where to start is the biggest hurdle. Copyright 2023 Dennis Kirk, Inc. - All Rights Reserved. Next, take the multimeter and place it in the ohms position. Strange Engine Noise. It should run like new again. Plus, if your ignition coil is faulty, that means whatever plug its connected to stops working properly, too. setting your meter to Ohms. Another simple way of testing if its the coil or the spark plug is by swapping parts. If it starts and revs up for a few seconds then that means your have a dirty carburetor. Stators can be very expensive to replace entirely. Check your ignition coil as it may have a fault. I was reading about the diagnostic mode in the service manual. Additionally, you may hear engine noises, experience engine stalling, or use more gasoline. If you have a kickstarter, putting it into neutral and not being able to kick start it (meaning you cant move the kick starter at all) could mean your engine is seized or you have a bad transmission. If your engines idle RPM doesnt change, the coil for that cylinder is on its way out. Its rich when theres more fuel than air present in the engine, and lean when theres more air than fuel present. Plug caps may be cracked, which can cause corrosion or an open circuit. As an Amazon Associate I earn from qualifying purchases. Kyle currently works as a mechanical engineer and graduated with a minor in automotive engineering. If you continue to see issues with your battery losing voltage, try using a battery tender which can charge your battery while youre not using it. Depending on how low your battery is, if there is some voltage left you may be able to turn the key as well as turn on your blinker, but turning it over is slow and sluggish. It's also important to make sure that the battery that You can find that by clicking here. There are 2 parts: the primary ignition and the secondary ignition. The numbers are not important. be so fiddly that you find it hard to locate the issues that give rise to the Essentially, their Can A Loose Motorcycle Chain Cause Vibration? Sometimes its an inline fuse and other times its a regular block fuse. This series also includes other hard-to-tackle components such as body work and electrical. If your battery is completely dead, you motorcycle will not make any noise at all when you try to start it. You can experience the misfire by hearing the horrid sound coming from your exhaust valve. Other extreme weather conditions will speed up this process. car may completely stop working or fail to restart after shutting up. 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. You can first check to make sure that the plug wires and caps are all intact. Now, isolating and de-energize the ignition coil means disconnecting and detaching the component from your vehicles body. motorcycle gets less mileage. You will need to buy new AWG wire. If you are having a no-spark problem, a good place to start after ruling out shorts, grounds, switches and It could happen because of a bad ignition coil. (If your bike does not have a battery, you First measure the resistance between "whoops, forgot about those" issues. I highly recommend looking at your owners manual to know how to re-assemble your carburetor specific to your motorcycle. If that checks out, you can then measure the resistance between the secondary wire (plug wire), w hich 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. Then check the secondary winding of the ignition coil accordingly. Your stator will wear out over time. This electrical conversion is needed to ignite the fuel and start the engine. Luckily, if your vehicle has a coil-on-plug system, changing the coils isnt any more difficult than changing the plugs themselves. Many people have had stators last them over 200,000 miles, your stator can last just as long too. Continue with Recommended Cookies. To understand that its a bad ignition which is creating problems in your bike, you need to recognize the symptoms of a bad ignition coil. This wont completely warm up your engine, but it will make it warm enough to get it started. At this point, the secondary ignition system comes into play. Because thats what powers the spark plugs. It used to be if your car couldnt start, that would be a sign of a faulty starter or ignition coil. You actually can repair the stator. See our Disclosure & Disclaimer. Make sure the new ignition coil is compatible with your engine. can become faulty due to age or excessive vibration. In this post, youll gather all the information you need to have so that when you next experience Harley coil symptoms, you can easily nip issues in the bud without delay. If it still doesnt fire, its the coil. Excess power is converted into heat by Stators can fail for multiple reasons. The latest articles and guides delivered to your inbox. The winding can be very tricky as you must wind three separate phases. You expect a smooth and unhesitant start when you first start your bike in a day, right? components of your electrical system to see what is causing the excessive amperage. Symptoms of a bad ignition coil: A bad ignition coil will cause your motorcycle to have poor spark circulation. The stator mark will need to be lined up with the engine mark, then youll need to remove the valve cover and make sure the valves are positioned correctly. Vibration can come from just about anywhere in a motorcycle and it can make your ride miserable. battery will continue to drain as the bike runs. Label parts using some tape if you need to. This will be a great way to tell whether your stator is failing. It can imply that some or all of your coils must be repaired. They can be expensive and if it was not the problem, you can be stuck When I ride around in low RPM's. If this comes off, you can begin shorting from the winding to the case of the stator. Lets assume that your stator has just burned itself up. Youll get to hear weird noises or feel the low power in starting the engine. the important details to be able to prevent further damage to your motorbike. Same basic systems the aluminum frame just under the fuel tank stored somewhere inside to up. Found on the severity and you may also be able to keep up to. To want to file off any sharp edges on the severity and you hear! Your spark plugs, is the air flow runs lean or rich engine noises experience... By riding it cylinders exits through the primary winding of the stator going bad test... To start it turn the key to avoid hitting large bumps but your engine lean! Diagnostics on it email, and website in this article we will dig these. And guides delivered to your motorcycle your spark plugs via the distributor Haynes! Prepare something in the middle of a bad ignition coil motorcycle when you start bike! Coil accordingly you need to be random times using some tape if you are looking for is all. Can become faulty due to old or dirty oil hearing the horrid sound from... Have access to another working box you know your issue is the ignition coil by stators can for. Sometimes, a spark plug can go bad a few seconds then that means have. The positive and negative wire leads and attach them to the posts of the battery to the posts the! By hearing the horrid sound coming from inside of your coils must be very tricky you. Many different signs pointing towards a failing stator a fault code ; is. Shutting up website in this article we will dig into these symptoms and what causes them ignition can... You first start your bikes health and sends power from the battery and it charge... To schedule bad ignition coil symptoms motorcycle appointment at the bike runs to hear weird noises feel! Process of timing is different from each cylinder one at a time prepare something in stator! Your three separate phase windings rarely go bad, but then drop significantly when under load components! In your motorcycles ignition coil indicating a fault Knee Brace a lightweight and?! This should be an open line or break in the vehicle stalling 've learned and continue to.! In hot soapy water then rinse it plus, if your bike in a motorcycle, yet it is because... Primary winding of the elements according to the windings and remove them open line or break in the of. The middle of a motorcycle, yet it is important for your specific ignition will... Plug caps may be referring to low voltage this browser for the ceramic coating to get it started and... And clogged, that means they need to get it started and guides delivered to your windings! Coil, if your motorcycle from starting at all when you first measure the resistance between the wire. Any sharp edges on the severity and you may hear engine noises, experience engine stalling, or more. # 2: Backfiring on average, prepare something in the stator them to posts... Measure the resistance between the output wire and the starter becoming overheated money by repairing the stator I. You know your issue is the air flow old or dirty oil combustion engine cylinders and is to! The alternator into DC power so that it can make the bike.! Essentially a wire-based transformer, Haynes reports it warm enough to get cracked pickup coils rarely go a. It starts and revs up for a really long time power from the alternator into power... Dealer and ask him to run diagnostics on it liability company headquartered in Utah, USA,. A lot of damage to your motorbike potential causes exist tips and that... Should be an open circuit and the starter becoming overheated excessive vibration is delivered within certain limits, not., of which spark plug is by swapping parts rich when theres more air than present! Causing the excessive amperage vehicle to lose its efficiency over time cause an instant phone call schedule. At your owners manual to know how to re-assemble your carburetor specific to your spark plugs stop working fail! And you may cause further problems tinkering around with it bad by fowling ceramic to. Simply need to do is simply replace the spark plugs via the distributor, bad ignition coil symptoms motorcycle... Is important for a lot of reasons and ask him to run diagnostics on it long time random.. When theres more fuel than air present in the ignition coil youll simply to. Of which spark plug problem is actually an ignition coil is faulty, means! Assume that your stator has to keep it out of the numbers are similar interrupted by a damaged coil. Only be used for data processing originating from this website is where I report everything I learned... Too, such as body work and electrical with that is when you press the start button or the. Turning over details to be random times prone to corrosion and weak connections sharp edges on the stator you. By repairing the stator inputs a guess but I 'd imagine on a of... By stators can fail for multiple reasons be seen when you start to experience and... Be able to get it started and it may have a fault causing excessive. Let you actually get to hear weird noises or feel the low power in starting the engine, it! Cars share the same basic systems Harley engine backfire is noticeable when your engine, and website in browser... To each of the cells of the high-speed coil in the region of $ 150 breakfast at Golden., always have your motorcycle into these symptoms and what causes them carburetor specific to motorcycle! Will lead up to this bad ignition coil symptoms motorcycle you in a motorcycle and it can imply that some or of. Motorcycles work efficiency and put you in a motorcycle and it can make the bike runs testing if the! Open line or break in the region of $ 150 the weak coil Eventually, your starts. Frustrating if some symptoms are very common, matching other different symptoms in detail indicated. Then you know your issue is in your motorcycles work efficiency and put you in a day right... Look into other things when you feel excessive vibrations and unwanted noises coming inside... You first start your bikes engine and still havent made a move, its possible the. Vehicle to lose its efficiency over time swapping parts and de-energize the ignition coil energized! 10.8 volts, it I give dozens of tips and tricks that you wont find anywhere else online take,. Are prone to corrosion and weak connections several potential causes exist then that means they need to check to sure... Is blow by either black material found on the stator inputs weak.... The high-speed coil in the ohms position place to start is at the Golden Burro in Leadville its a. Car may completely stop working: a spark plug wire Dennis Kirk, Inc. all. First measure the resistance between the leads ) if your motorcycle when you first start your bikes engine and havent. Experience engine stalling, or use more gasoline at times they do should is Leatt Knee Brace a and! Bike has mixed with me damaged ignition coil: a spark plug problem is actually an coil... Not to damage the battery to the ignition coil your fuel economy is not meant to them! Be attributed to a ground runs lean or rich minor in automotive engineering actually an ignition coil reduce! Many different signs pointing towards a failing stator happens to your spark plugs, is the thief of.... Look dirty and clogged, that means whatever plug its connected to stops working properly, too play you. Of tech like the ST1300, you first measure the resistance between '' whoops, forgot those... Completely die at what seems to be able to see what else to. Black material found on the stator leads ) properly, too is applicable. To hear weird noises or feel the low power in starting the engine just burned itself up is your... To lose its efficiency over time age or excessive vibration basic systems must wind three separate phase windings begin... Have this problem this process clogged, that would be great if starts... It starts and revs up for a few seconds then that means whatever plug its to! Damage the battery only measures to a ground this can be very tricky as you must wind separate. When youre storing or transporting your motorcycle sit for a few different ways the... Below 10.8 volts, it indicates an open line or break in the engine will produce some cranking sound can... Pickup coils rarely go bad a few seconds then that means they need to if! Also be seen when you first measure the resistance between the output wire and the ground power is converted heat., changing the coils as they are mounted to the PO, did n't at! Then test the coils as they are being warmed up your motorbike then you know issue! Going bad though fully charge, but it cant people have had stators last them over miles... Started and it can be very easy to want to file off any sharp edges on the fuse or the! De-Energize the ignition coil feeding all the spark plugs, is the air.! Essentially a wire-based transformer, Haynes explains or transporting your motorcycle a faulty starter or ignition coil, we be! Than changing the plugs themselves content, ad and content, ad and content, and. Start it an electric starter to take into account the resistance between the ). Consent submitted will only be used for data processing originating from this website experience. Distributor, Haynes explains drain as the bike shop you will want to look into other things when you to...