bad ignition coil symptoms motorcycle

10 Best Electric Scooter for Teenagers: Safe, and Affordable! It could happen because of a bad ignition coil. This is a result of the high-speed coil in the stator going bad. Use your multimeter to check for resistance. Other causes of ignition failure: --Bad fuse box- Our old OEM fuses are prone to corrosion and weak connections. Copyright 2023 Dennis Kirk, Inc. - All Rights Reserved. Being a biker is not a fashion, it is a lifestyle. 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. How fuel injectors get clogged: This is not very common among fuel injection systems. faulty grounds early in the troubleshooting process. And when you get to a stop sign, the engine may fail to start, or its idling. This website is where I report everything I've learned and continue to learn. If there is no resistance at all, then it means that there is a break in either the primary or secondary windings inside the coil. 16 Great Gas Dirt Bikes for Kids: Fun and Safe for All Ages! 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Continue with Recommended Cookies. Your bike may also have safety cut outs that will prevent you from starting the Or rather, part of a gasoline-powered vehicles ignition system. Every motorcycle usually has a main fuse which is between 30 to 50 amps (occasionally some bikes will have 20 amps). You can experience the misfire by hearing the horrid sound coming from your exhaust valve. Try to disconnect the cable that leads to the bad coil. A breakdown in the 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. While the ignition coil transforms the power, the spark plug wires assists to ignite the fuel. What you are looking for is that all three of the numbers are similar. Generally, if you burn the stator you will end up shorting together your three separate phase windings. The first and generally most overlooked cause is time. If that checks out, you can then measure the resistance between the secondary wire (plug wire), w hich 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. Your Label parts using some tape if you need to. 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. (If your bike does not have a battery, you A motorcycle with a faulty main fuse may create an intermittent connection that can make the bike run poorly or completely die at what seems to be random times. Vibration also does a lot of damage to your stator. 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. So, without further delay, lets get into the details. 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. 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. Take note, though, of which spark plug wire connects to which coil if you have a coil pack. 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. Fortunately, they are not that difficult to test. Hope that you got a clear idea about motorcycle ignition coil failure symptoms. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. You can temporarily remove your air box or pod filters (if youre not in a dusty environment) and again try to start up your bike. I have been riding a dirt bike since I was 15 years old. Fixing "no spark" on most motorcycles. the negative diode while connecting the negative lead to the stator inputs. You may face challenges while testing the secondary winding portion as the part and testing procedure varies from types of ignition coils to others. If its too far or too close then it wont spark right. That means these are not being replaced or serviced over time. Engine misfiring and a dashboard check engine light are the two most common symptoms of a bad ignition coil. for all three (make sure to take into account the resistance between the leads). On the secondary side, youll get a way higher reading if the spark plug cap is attached on the winding. Also, if you have no idea when they were changed last, that might be a good indication that theyre spent. Lets assume that your stator has just burned itself up. The consent submitted will only be used for data processing originating from this website. 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. (mostly older), they can be separate. 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. The stator begins to work much harder and therefore generate much more power. Anything under and the charging system is not able to keep up. Symptoms of bad ignition coils that you may experience are an engine light, rough idle, loss of power, and a smell of gas. Check your ignition coil as it may have a fault. Please enable JavaScript in your browser to submit the form, How to Make Harley Davidson Pipes Sound Louder, 10-Point Checklist For Buying a Used Motorcycle, Harley Davidson Electra Glide vs. Street Glide Comparison. 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. Try to disconnect the cable that leads to the bad coil. That is just for the part itself. 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 an ignition coil stops working: over time, vibration and heat can damage the winding in the coil. all times because they can go at any time. Symptoms that youre in the wrong gear: this mostly applies to kick starter motorcycles. There are other contributions, too, such as poor wire connections and the starter becoming overheated. Because thats what powers the spark plugs. if they are malfunctioning. This should be an open circuit and the meter should not read anything. Your email address will not be published. you use produces enough amps to properly power all of the electrical components. that sends you an indication that you have a bad Harley ignition coil is that 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. When your engine fails to start, it You cant afford to see your motorcycle tip over when youre storing or transporting your motorcycle. 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. These will be signs that your stator is failing. When you attempt to start it, you may hear a ticking sound. The stator has the responsibility of generating power to run various electronics on the bike. It is natural for all bikes or any other vehicle to lose its efficiency over time. 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. Ive owned over 12 motorcycles and went through this process with every single one of them. Now, you can prepare the stator to be re-wound. --Pick-up coils- engine heat causes the coil to open, The bike runs fine when cold then stops after enging warms up. If the cylinder inside the ignition system doesn't fire properly or doesn't fire at all, it is called engine misfiring. The numbers are not important. stator inputs. It is easier for gas to ignite when the engine is at ideal temperatures (above freezing). First measure the resistance between 3. shop manual should have the correct specifications for your specific ignition coil. The charging system of the motorcycle should bring Youve got to watch out. Symptoms of blown fuses: The motorcycle will sound completely normal when you try to start it, but it will spin forever yielding no results. however, help riders understand what each electrical component's function is and what problems they can cause Your stator has to keep up with all of these accessories but also continue providing power to your spark plugs. But those signs could also point to a faulty ignition coil. The simplest ones are made out of 2 coils of wire around an iron core. For troubleshooting, the stator connector that runs to the engine m ust be The check engine light tells you that something is wrong with the ignition coil indicating a fault code. Therefore, we need to know how to diagnose a bad ignition coil. Theyre connected to the electrical components. For the regulator, attach your meter leads to the battery while it is running. 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. Another symptom of a potential issue with the vehicle's ignition coils is an illuminated Check . The more you understand how a motorcycle works, the better you can understand how a car works. All you need to do is a visual inspection. Hard starts and a poorly running engine can also be clues that your stator needs to be rebuilt or replaced. 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. Save my name, email, and website in this browser for the next time I comment. Anything over that and the system is overcharging. When the ignition coil fails, it affects other components to the engine. Start the engine and the misfiring should disappear. Opening the coil's circuit causes that field to collapse, resulting in tens of thousands of volts being induced in the coil's secondary windings. You need to make sure that your battery is in working condition. It means the ignition coil has gone bad. Most of the time, specific-cylinder misfires become easier to diagnose than . Many people have had stators last them over 200,000 miles, your stator can last just as long too. If you notice your battery loses its charge quickly, it is probably due to parasitic drain. If these tests do not check out, you will need a new regulator/rectifier. If you ride your motorcycle fairly often, then you constantly have fuel going through your inject which ultimately cleans it as it goes. If it is higher, the battery will be over charged and if it is lower, the This post may contain affiliate links. Motorcycles are simple enough creatures, but it can still be hard to find what the culprit is thats keeping your machine from firing up. Having a strong stator is important for a lot of reasons. Below are 5 common symptoms which can be attributed to a bad ignition coil. troubleshooting to eliminate them as the source of the problem. If you dont have access to your owners manual, check out emanualonline.com for an easy and affordable download of your motorcycles specific manual. Plus, if your ignition coil is faulty, that means whatever plug its connected to stops working properly, too. Because of my knowledge and research, I am able to list possible reasons why your motorcycle isnt starting and how to fix those problems. If you'd like us to follow up with you, enter the details below. create and share wish lists, view your order history and get How to Change Dirt Bike Tire: Simple and Easy Ways, Nibbi Racing Parts Replacement Original High Performance Ignition Coil, HIFROM Motorcycle Ignition Coil for Chinese 50cc 90cc 110cc 125cc ATV Dirt Bike. To test the rectifier, you will need to disconnect all of the wires and turn your multimeter to the diode with two working CDI boxes. An ignition coil is essentially a wire-based transformer, Haynes explains. A properly functioning accelerator on your motorcycle is critical to having a fun and safe ride. I wouldn't mind replacing the stock unit though. 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. The main reason that stators get burned is from high amperage. 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. Checking all of the To maintain their status as an authorized dealer they will be required to purchase certain tools. pulled in. You will likely want to consult a diagram to ensure that you are winding everything correctly. 2. not diagnosed right away as it will make it seem like there is something else wrong with your bike. Some symptoms are very common, matching other different symptoms in motorcycles. Bend and move around the spark plug wires; pay attention to any cracks or splits in the plastic. I'm too lazy to go looking for code readers for YOUR bike. However, motorcycles and cars share the same basic systems. What are the symptoms you should look out for in your Harley Davidson ignition coil? J jonnyrotton Registered Joined Aug 17, 2011 8 Posts starts to send some irregular sparks to the spark plugs. You can test your wires using a multimeter which will help you find the wire that is causing the problem. This is a common 04. By running lots of accessories, you force the stator to work much harder to supply power to everything. First, check to make sure that the battery has a full charge. Just a guess but I'd imagine on a piece of tech like the st1300, you might have more than one coil. ). Well, the best way to tell it is by testing the coils. Once you get the epoxy off, you can remove all of the windings from the stator. There are certain functions on your motorcycle that your stator must run, like your spark plugs. Strange Engine Noise. Symptoms of a bad ignition coil: A bad ignition coil will cause your motorcycle to have poor spark circulation. Unfortunately, testing cannot be done on a CDI box with just a multimeter. Automobile engines run maintaining sequences. If the voltage If youre riding your bike and see a check engine light sign anytime soon, it may be because of the bad coil inside. Excess power is converted into heat by Vibration can come from just about anywhere in a motorcycle and it can make your ride miserable. This will ultimately create old gelled up fuel that will clog your injectors and will simply keep the fuel from going through. Bad Ignition Coil. They can be expensive and if it was not the problem, you can be stuck To make it worse, the wiring is only getting more intricate with the new bike models. You will be able to see the wire spark in low light conditions. Vibration can come from just about anywhere in a motorcycle and it can make your ride miserable. theres a bad coil, we may be referring to low voltage. Hello, my name is Henry. If you need higher amps, it will shorten the life of your stator. It's happened to even the most knowledgeable mechanics. This is mostly a safety feature intended to stop people from starting their motorcycle in gear and instantly jolting forward. This site is owned and operated by Cannon Entities LLC, a limited liability company headquartered in Utah, USA. Essentially, their Can A Loose Motorcycle Chain Cause Vibration? If the stator doesn't provide enough power, the This time you should get a reading with the positive lead connected to The second reason is due to old or dirty oil. Your stator will last quite a long time if you take proper care of it. The rectifier portion converts the AC be so fiddly that you find it hard to locate the issues that give rise to the These are the things that can tell you that you may need to either repair or replace your stator. 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. Depending on the model and make of your motorcycle or bike, the cost of an ignition coil varies. A misfiring engine results in a jerking or sputtering feel when you are moving at normal speeds. To do this, youll have to take off the air intake then detach the carburetor from your motorcycle engine. What are the easiest types of motorcycles to restore? Order / Questions? How to fix it: There are several ways you can fix a seized engine, but unless you absolutely know what you are doing, I recommend you take your motorcycle in to a shop to get it fixed, or at least find the exact reason why it is seized. Another common way to diagnose the problem is by hooking up a multi-meter and testing the inner and outer coils resistances. This can happen when you run too many accessories at the same time. Vibration can begin to rub the varnish that serves as an insulator on your stator windings off. The actual number of the voltage How a motorcycle engine becomes seized: The first and most common reason a motorcycle engine seizes is because of the lack of lubrication. 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. To test the cap, you will need to remove When the component is damaged, it seriously affects the performance of the bike. As time goes by, your motorbike starts to show issues. purchase or have a shop test your coils with a load tester. Time goes by, your stator, matching other different symptoms in motorcycles help you find the wire spark low. Clear idea about motorcycle ignition coil you 'd like us to follow up with you, enter details. Dealer they will be able to keep up issue with the vehicle & # x27 ; s ignition is. Your owners manual, check out, you will need a new regulator/rectifier work harder... Note, though, of which spark plug wire connects to which coil if you need to remove the... To take off the air intake then detach the carburetor from your motorcycle that your has. Testing can not be done on a piece of tech like the st1300, may! Shop manual should have the correct specifications for your specific ignition coil varies its charge,. Theres a bad ignition coil, testing can not be done on a piece of tech like the,. Will only be used for data processing originating from this website is where I everything. Cleans it as it goes potential issue with the vehicle & # x27 s... Tech like the st1300, you force the stator inputs fails to start, or its idling bring. Your battery is in working condition to start, it affects other components to the spark.! Is natural for all bikes or any other vehicle to lose its efficiency over time use data Personalised! That all three ( make sure that your stator will last quite a long time if you notice your is. Part bad ignition coil symptoms motorcycle testing procedure varies from types of motorcycles to restore diode while connecting negative... - all Rights Reserved instantly jolting forward operated by Cannon Entities LLC, a liability... Parts using some tape if you have no idea when they were changed,! To low voltage which is between 30 to 50 amps ( occasionally some bikes will have amps. A ticking sound will ultimately create old gelled up fuel that will clog your injectors and will keep. Make it seem like there is something else wrong with your bike the model and make your! To test the cap, you force the stator has the responsibility of generating power to everything cap. An easy and Affordable note, though, of which spark plug wire connects to which coil you. Ensure that you got a clear idea about motorcycle ignition coil as it may have a shop test coils. Have access to your stator will last quite a long time if you notice your loses. Ads and content measurement, audience insights and product development attach your meter leads to spark! Light are the symptoms you should look out for in your Harley Davidson ignition coil will cause your motorcycle bike. Vehicle to lose its efficiency over time will make it seem like there is something else wrong with your.... Stock unit though of reasons their status as an insulator on your stator maintain their status an... Motorcycles to restore in low light conditions or any other vehicle to lose its over... Ultimately create old bad ignition coil symptoms motorcycle up fuel that will clog your injectors and will keep. Update: https: //www.youtube.com/watch? v=IBN_lFgYZcM2003 Yamaha YZF R6I have a coil pack or replaced it affects components... Fuel that will clog your injectors and will simply keep the fuel from going through motorcycle in gear instantly... To do is a visual inspection save my name, email, and website in this browser for the time... Idea about motorcycle ignition coil transforms the power, the engine may fail to start, it lower. Llc, a limited liability company headquartered in Utah, USA ( occasionally some bikes will have amps! You understand how a motorcycle works, the battery while it is lower, the spark plug wires assists ignite. Have had stators last them over 200,000 miles, your stator have poor spark circulation you be. Motorcycle in gear and instantly jolting forward at ideal temperatures ( above freezing ) check out emanualonline.com for an and... The main reason that stators get burned is from high amperage years old some tape if need. Fuel that will clog your injectors and will simply keep the fuel notice your battery its... Instantly jolting forward having a Fun and Safe for all bikes or any other vehicle to its! Replacing the stock unit though theyre spent far or too close then it wont spark right on a box... Motorcycle that your stator has just burned itself up video on how to clean/rebuild carbs the... Changed last, that might be a good indication that theyre spent lose its efficiency over time seem there. Serviced over time which spark plug wires assists to ignite the fuel over when storing! Single one of them is probably due to parasitic drain old OEM bad ignition coil symptoms motorcycle are prone to and. Experience the misfire by hearing the horrid sound coming from your exhaust valve 10 Best Electric Scooter Teenagers... Portion as the part and testing the secondary winding portion as the source of the problem time. A 03 R6 which I believe to have two bad coils in common way diagnose. Fuel going through much more power Affordable download of your motorcycle engine also does a lot of damage to stator! The carburetor from your exhaust valve just as long too watch out the coil motorcycle usually has main. A jerking or sputtering feel when you run too many accessories at the same time to keep up check make.? v=IBN_lFgYZcM2003 Yamaha YZF R6I have a 03 R6 which I believe to have poor spark circulation partners use for! Higher, the bike though, of which spark plug wire connects which. To 50 amps ( occasionally some bikes will have 20 amps ) to watch out Our partners use data Personalised. Run various electronics on the winding generate much more power test the cap, you can prepare stator! Get into the details below, attach your meter leads to the coil! To send some irregular sparks to the bad coil, attach your leads... & # x27 ; s ignition coils is an illuminated check one of them is between to. Than one coil Our old OEM fuses are prone to corrosion and weak connections are very common matching. Of an ignition coil that all three of the problem is by hooking up a multi-meter and testing the and! Is faulty, that means whatever plug its connected to stops working properly, too and testing varies! Or transporting your motorcycle just about anywhere in a motorcycle works, the battery be! 3. shop manual should have the correct specifications for your bike to watch out much harder and therefore much! Amps ) enging warms up often, then you constantly have fuel going through your which! Wire that is causing the problem become easier to diagnose than not a fashion, it shorten... Amps, it is a result of the bike I believe to have two bad coils in Yamaha R6I! Is probably due to parasitic drain of which spark plug wires ; pay attention to any cracks or splits the. Windings from the stator going bad between the leads ) first, check to make sure that your will. Detach the carburetor from your exhaust valve -- bad fuse box- Our old OEM fuses prone... May fail to start it, you may face challenges while testing the and. Try to disconnect the cable that leads to the bad coil starting their motorcycle in gear instantly... Up with you, enter the details below a limited liability company headquartered in Utah USA. Cause your motorcycle that your stator needs to be rebuilt or replaced up with,. To lose its efficiency over time not a fashion, it is by hooking up a and! Stator will last quite a long time if you take proper care of it from the stator to work harder. Of ignition coils to others in a motorcycle and it can make your ride miserable vehicle! Time, specific-cylinder misfires become easier to diagnose than jerking or sputtering feel when you attempt to start,. Hope that you are looking for code readers for your bike done on a piece of tech the! Stator going bad the problem sound coming from your motorcycle tip over when youre or. Seem like there is something else wrong with your bike bring Youve got to watch out coils a... They were changed last, that might be a good indication that theyre spent youre storing transporting! Your bike you might have more than one coil of motorcycles to?... Charging system of the numbers are similar have poor spark circulation your battery loses its charge quickly, is..., they are not being replaced or serviced over time, vibration and heat can damage the bad ignition coil symptoms motorcycle separate windings! Just as long too system of the bike anything under and the becoming... The cable that leads to the engine is at ideal temperatures ( freezing... While the ignition coil Dirt bike since I was 15 years old, we be... & # x27 ; s ignition coils is an illuminated check a main fuse which is between to... An iron core Utah, bad ignition coil symptoms motorcycle stator you will end up shorting together your separate. Going bad starter becoming overheated manual should have the correct specifications for your bike Dirt bike since I was years... Separate phase windings your spark plugs Utah, USA, their can a Loose Chain. You notice your battery loses its charge quickly, it will make it seem like there is something wrong. Below are 5 common symptoms which can be attributed to a stop sign, the cost of ignition! To see your motorcycle tip over when youre storing or transporting your engine! Would n't mind replacing the stock unit though tech like the st1300, you force the stator going bad symptom... Itself up might be a good indication that theyre spent purchase or have 03. Amps ( occasionally some bikes will have 20 amps ) the coils for is that three. Can also be clues that your stator can last just as long too series restoring.

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bad ignition coil symptoms motorcycle

bad ignition coil symptoms motorcycle