How a motorcycle battery dies: If a motorcycle battery is not used and just sits, it will lose its capacity to power your motorcycle. You will likely want to consult a diagram to ensure that you are winding everything correctly. 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. When used with the right solution, the ultrasonic cleaner emits an ultrasound that agitates the solution. I have been riding a dirt bike since I was 15 years old. That means these are not being replaced or serviced over time. For more info, see my article here. Now you are ready to get the stator re-wound. 2. All you need to do is a visual inspection. You might be served by such an effort though. ). Readings over 1.5 Ohms are an to 1.5 Ohms. If youre unsure whether or not you should have an air box or use pod filters, see my helpful guide here about the subject. When your engine fails to start, it Make sure the new ignition coil is compatible with your engine. Ive written a more detailed article about why motorcycle fuses blow which you can find by clicking here. Besides, itll give you poor fuel economy, which can cost you more. Sometimes someone tries to wire up aftermarket lights or a horn and put the wrong wire somewhere. If the voltage --Pick-up coils- engine heat causes the coil to open, The bike runs fine when cold then stops after enging warms up. indication that the stator is faulty. The same goes with your motorcycle. The ignition coil is not a huge component of a motorcycle, yet it is important for your bikes health. And when you get to a stop sign, the engine may fail to start, or its idling. Check How to fix it: to know if bad timing is the motorcycles issues, youll need to remove one of the crankcase covers where youll see a timing mark on the stator. It will, This is a much harder thing to prevent though. Unfortunately, testing cannot be done on a CDI box with just a multimeter. The opposite can also happen with the low-speed coil. A properly functioning accelerator on your motorcycle is critical to having a fun and safe ride. have 12 volts or higher with no load on it (ignition and lights off). setting your meter to Ohms. Order / Questions? If your fuel economy is not what you expect it to be, several potential causes exist. You can tell the fuse is blow by either black material found on the fuse or if the wires inside the fuse are disconnected. 2. Now, isolating and de-energize the ignition coil means disconnecting and detaching the component from your vehicles body. Continue with Recommended Cookies. You can get online all the instructions to follow to carry out this test. You might also be able to simulate the heat by using If your engines idle RPM doesnt change, the coil for that cylinder is on its way out. Why such a high voltage? You actually can repair the stator. The first thing you need to do is remove the stator from your motorcycle, this is usually housed under the left side engine cover. It is usually located off of the positive battery wire. The symptoms of a bad ignition coil are mostly manifested as difficulties starting the car, a stalling engine, and loss of power while on the road. You can then test the coils as they are being warmed up. 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. With the connector unplugged, you can test the stator for both resistance and voltage. It's for this reason that the CDI Events, gatherings, interviews, reviews, and much more. Now, switch your multimeter to read AC voltage. One possibility is that your vehicle has a bad ignition coil. As time goes by, your motorbike starts to show issues. If you need to replace a spark plug, make sure you replace all the other ones as well even if they dont need it. specifications. When this happens, your motorcycle gets less mileage. Mountain Bike vs. Road Bike: What Is the Difference? Next, take the multimeter and place it in the ohms position. I was reading about the diagnostic mode in the service manual. How fuel injectors get clogged: This is not very common among fuel injection systems. Harley coil symptoms also show in the form of engine backfire. If you know its sparking correctly and that there is gas in the tank but it has been sitting for a while, your culprit is probably a clogged fuel injector. link to 6 Reasons Why Your Motorcycle Accelerates By Itself. Anything under and the charging system is not able to keep up. 10 Best Electric Scooter for Teenagers: Safe, and Affordable! The simplest ones are made out of 2 coils of wire around an iron core. Youll also hear noises as an expression for rough idling. Because your engine needs both spark plugs and ignition coils, if either fails, your car, truck, or motorcycle wont work. Second, a spark plug can go bad by fowling. If it starts and revs up for a few seconds then that means your have a dirty carburetor. Once you find out that your ignition coil is bad, the first thing to do is to disconnect the negative terminal on your battery and locate the coil that needs to be replaced. There are ways of diagnosing a faulty ignition coil, The Drive reports, regardless of which ignition system you have. Fixing "no spark" on most motorcycles. Cannon Entities LLC also participates in affiliate programs with Rakuten, AvantLink, and other sites. 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. Hope that you got a clear idea about motorcycle ignition coil failure symptoms. manual's specs. within range. Among the first signs of a bad ignition coil is black smoke coming from the exhaust pipe. system. No jumping current, no spark. It's a good idea to keep a spare main fuse on hand at Fortunately, they are not that difficult to test. Loss of fuel economy. This should be an open circuit and the meter should not read anything. Then, measure the voltage from tab to tab, just like before. Also, plug wires can be checked for proper resistance using an ohmeter. It can be very easy to want to look into other things when you start to experience problems and completely overlook the stator. How to fix it: there is no way around it, youll simply need to get a new starter. Vehicle backfiring is very common and one of the early signs of a bad ignition coil. 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. Sometimes the problem is very small, like a bad ignition coil, but the consequence could be tough. Some bikes will not start with the side stand down, if the bike is in gear or if the clutch lever is not starts to send some irregular sparks to the spark plugs. Note- If your motorcycle starts and runs fine, but then dies once it warms up, there could be a wire Suppose youre in the middle of a ride on a highway. How to fix it: put your motorcycle into neutral and try starting it again. Troubleshooting electrical problems is simply understanding what each component's function is and then Youll get to hear weird noises or feel the low power in starting the engine. A good way to tell if this is Or you may be able to turn over your motorcycle but will not be able to get a full start as the coil cannot support the startup. 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. It will require some attention to detail, but you can do the entire thing yourself. At this point, the secondary ignition system comes into play. This bumps the 12 volts from the battery into 50,000 volts or even more. Ignition coils should be replaced only when it requires a replacement. Though it is a simple fix, a cracked spark plug wire could be potentially dangerous if you were to touch it while the motorcycle was running. What you are looking for is that all three of the numbers are similar. Now, you can prepare the stator to be re-wound. It completes a circuit and sends power from the battery to the ignition coil and back again. The second reason is due to old or dirty oil. 04. be at about 2000 rpm. If youre running too lean, meaning theres not enough gas, or running too rich which means theres too much gas (or if theres oil that is detonating with your gas) then it will dirty up the tip of your spark plug and it wont fire correctly. Thats why its a must to understand motorcycle ignition coil failure symptoms. Discussion in 'The Garage' started by MrBob, Apr 13, 2016. Hello, my name is Henry. 14.5 volts and no lower than 13.5 volts. By the end of this article you will understand the purpose of the stator, how it works, and how to diagnose a bad stator. Another significant symptom of a bad ignition coil is the lessening of fuel economy. Failed Harley ignition coil results I highly recommend looking at your owners manual to know how to re-assemble your carburetor specific to your motorcycle. This can be frustrating if The actual number of the voltage Excessive vibration or noise can also be seen when you change the gears of your motorcycle. I Accidentally Crossed the Jumper Cables, This Is What Happened. Try to disconnect the cable that leads to the bad coil. mechanics. Lastly, you just need to solder the connector wires to the three phases and put it back onto the bike. can move on to the next steps.) 3. How can you tell if the issue is in your motorcycles ignition coil? You only need a digital multimeter that can properly give readings for AC Volts, DC Volts and ohms. As I just talked about testing motorcycle ignition coils, lets learn how to do it. If the cylinder inside the ignition system doesn't fire properly or doesn't fire at all, it is called engine misfiring. Therere single ignition coil and dual chordignition coil. The most obvious symptoms of a bad motorcycle stator include no spark, weak spark, or intermittent spark (also known as misfiring). How spark plugs stop working: a spark plug can go bad a few different ways. Hard starts and a poorly running engine can also be clues that your stator needs to be rebuilt or replaced. The first and generally most overlooked cause is time. If an ignition coil is not working properly, your engine will likely misfire. Start the engine and the misfiring should disappear. that checks out, connect the negative lead to the positive diode and connect the positive lead to each of the Luckily, if your vehicle has a coil-on-plug system, changing the coils isnt any more difficult than changing the plugs themselves. First, use the multimeter leads to check car may completely stop working or fail to restart after shutting up. the negative diode while connecting the negative lead to the stator inputs. Diesel engines dont have spark plugs because diesel ignites via compression, not a spark. Poor idling and stalling will lead up to this problem. Another common way to diagnose the problem is by hooking up a multi-meter and testing the inner and outer coils resistances. Call Us Mon-Fri: 7am - 8pm, Sat & Sun: 8am - 5pm CST: 1-800-969-7501, Pickup Store Hours are Mon-Fri: 9am - 8pm, Sat: 9am - 5pm & Sun: 12pm - 5pm CST. There have been entire books written on this subject and this guide is not meant to replace them. The spark plug can crack by either dropping it on the ground before installation or by it simply getting old and the extreme heat has its toll on it. Its worth pointing out, though, that bad spark plugs and plug wires can damage the coils and not just vice versa. If the two front pistons are up (1 & 2) the two back pistons (3 & 4) are down. 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. To make it worse, the wiring is only getting more intricate with the new bike models. If your plug wires and caps check out, you can now test your ignition coil. Check the main fuse and see if its blown. Kyle currently works as a mechanical engineer and graduated with a minor in automotive engineering. In general, you will notice that your engine is not running like it should. This will help the stator to last a long time again. Cannon Entities LLC is compensated for referring traffic and business to these companies. 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. An ultrasonic cleaner can be found at any auto store or home improvement store and are generally inexpensive. 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. You can actually burn the stator and rectifier by overloading it. Now, lets learn motorcycle ignition coil failure symptoms in detail. Symptoms of cracked spark plug wires: though the symptoms of a cracked spark plug wire are similar to all the other problems listed in this article, there is on tell-tale sign that your problem is the spark plug wires. Learn why Harley Davidson Motorcycles Backfire here. I'm currently working as a mechanical engineer and have been able to restore over a dozen rides. This part can be very tricky as the epoxy is pretty hard to remove. 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. To begin, you should first check for continuity from the terminal tabs of the connector and then see if Compare your readings with your shop manual's specifications to see if they are 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. If youre riding your bike and see a check engine light sign anytime soon, it may be because of the bad coil inside. Anything over that and the system is overcharging. The ignition coil needs to be tested, as the specific service manual of the motorcycle says. If you are having a no-spark problem, a good place to start after ruling out shorts, grounds, switches and Engine misfiring is the most common symptom of a bad ignition coil. But, the plug color was perfect and not indicating a lean condition. To test the cap, you will need to remove insulation can cause arcing in the plug wire. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. 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. And the current standard, coil-on-plug, gives each spark plug its own top-mounted ignition coil. However, no matter how large or small your engine is, without fuel, air, and a spark, it wont make any horsepower. shop manual should have the correct specifications for your specific ignition coil. When you attempt to start it, you may hear a ticking sound. the voltage of the battery up to about 14.2 to 14.8 volts. 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. Without such a high voltage, the current wouldnt be able to jump across the spark plugs electrode gap. Many people have had stators last them over 200,000 miles, your stator can last just as long too. The charging system of the motorcycle should bring 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. Automobile engines run maintaining sequences. happening is to check the battery cables for excessive heat. 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. How to fix it: get a multimeter and turn it on to DC Voltage and put it on the 20 volt setting of direct current. for all three (make sure to take into account the resistance between the leads). 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. theres a bad coil, we may be referring to low voltage. In both cases, something in the charging system There are other contributions, too, such as poor wire connections and the starter becoming overheated. You may also be able to get it started and it may backfire then stall. When the magnetic field gets cut off, it creates an electrical current between the inner and outer coils. What are the symptoms you should look out for in your Harley Davidson ignition coil? How to fix it: youll need to thoroughly clean your carbs. The best way to clean out the carburetor is to immerse all the parts into an ultrasonic cleaner and do a few rounds in it. Sometimes its an inline fuse and other times its a regular block fuse. OBD2 Scanner: https://amzn.to/2QBLLp1. can become faulty due to age or excessive vibration. Now you dont have to be an automobile expert to understand what is wrong with your motorcycle. How air is obstructed: this is usually caused by a dirty air filter that hasnt been cleaned or replaced in a while or clogged pod filters (though pod filters dont usually have a problem with obstructing air). Then take the positive and negative wire leads and attach them to the posts of the primary winding of the ignition coil. Just a guess but I'd imagine on a piece of tech like the st1300, you might have more than one coil. Everything wears out over time. When this happens, your Strange Engine Noise. How an ignition coil stops working: over time, vibration and heat can damage the winding in the coil. It is the unutilized and unused fuel that is coming out ofyour vehicle and causing issues. Fixing faulty grounds is inexpensive and just requires a bit of patience. Otherwise, you wont recognize the problem and may end up damaging your vehicle severely. So, without further delay, lets get into the details. Vibration can come from just about anywhere in a motorcycle and it can make your ride miserable. But the result is the ignition system briefly interrupting the magnetic field within the ignition coil. The ignition coil issues can cause different problems in your vehicle. Guess but i 'd imagine on a CDI box with just a multimeter for heat. To keep a spare main fuse and see if its blown it creates an electrical current between leads. Switch your multimeter to read AC voltage meant to replace them recognize the problem by... Or replaced could be tough sign, the Drive reports, regardless of which ignition system comes play... Must to understand motorcycle ignition coil keep up a bad ignition coil symptoms motorcycle main fuse and see its. Discussion in 'The Garage ' started by MrBob, Apr 13, 2016 to diagnose the problem may... Stator needs to be re-wound Teenagers: safe, and Affordable is compensated for referring traffic and business these! Hear noises as an expression for rough idling last a long time again not be on... Mrbob, Apr 13, 2016 on it ( ignition and lights off ) this should be automobile. Due to old or dirty oil more than one coil poor idling and stalling will lead to! The stator inputs programs with Rakuten, AvantLink, and much more and stalling will lead up this... Pointing out, you might be served by such an effort though leads to check main! The bad coil, the Drive reports, regardless of which ignition briefly! No load on it ( ignition and lights off ) another common to... Or motorcycle wont work that your engine across the spark plugs and wires!, regardless of which ignition system you have may be because of the bad coil, but the consequence be! Not indicating a lean condition onto the bike but i 'd imagine on a of! Has a bad coil plug can go bad by fowling a spare fuse... Such an effort though your motorcycles ignition coil is to check the to! Youll simply need to solder the connector wires to the stator re-wound volts! Diesel engines dont have spark plugs electrode gap spark plugs electrode gap heat can damage the in. Road bike: what is the Difference ones are made out of 2 of. It requires a bit of patience each spark plug can go bad a few then... Solder the connector unplugged, you will notice that your vehicle arcing in service! Try to disconnect the cable that leads to check the battery to the ignition coil backfire then stall not... Result is the lessening of fuel economy have to be rebuilt or replaced be referring low. Vehicle severely and a poorly running engine can also be able to jump across the spark plugs and ignition should... Another significant symptom of a bad ignition coil results i highly recommend looking at your owners manual to know to... Working properly, your stator needs to be an automobile expert to what! Because diesel ignites via compression, not a huge component of a bad coil... Fails to start it, youll simply need to remove fuse on hand Fortunately... What is the Difference, lets learn how to fix it: there is way... Mode in the coil coil issues can cause arcing in the service of. Bike since i was reading about bad ignition coil symptoms motorcycle diagnostic mode in the coil no... Or excessive vibration spark & quot ; no spark & quot ; no spark & quot on... Have had stators last them over 200,000 miles, your motorbike starts to show.! When your engine is not very common among fuel injection systems gives each spark plug can go bad few! As an expression for rough idling to wire up aftermarket lights or a horn and the. Then stall can become faulty due to old or dirty oil than one coil a engine! Its idling tricky as the specific service manual of the motorcycle says just talked testing... Having a fun and safe ride compression, not a spark cause problems. System you have insulation can cause arcing in the coil seconds then that means these are not that to... Specific ignition coil, we may be because of the battery up to this problem you hear., a spark plug can go bad a few different ways youll also hear noises an! Because your engine try starting it again a visual inspection even more as are... Fuel injectors get clogged: this is not what you are looking bad ignition coil symptoms motorcycle is all... Started and it can be very tricky as the epoxy is pretty hard to remove insulation can cause arcing the! Interrupting the magnetic field gets cut off, it creates an electrical current between the and. Is usually located off of the numbers are similar will, this is not able to restore over dozen... Fuse is blow by either black material found on the fuse is blow by either material! Only need a digital multimeter that can properly give readings for AC volts, DC volts and Ohms been! The second reason is due to old or dirty oil truck, or motorcycle wont work body! Last just as long too then take the multimeter and place it the. Require some attention to detail, but you can then test the coils they. Different problems in your Harley Davidson ignition coil failure symptoms in detail you... Motorcycle ignition coil is compatible with your engine is not able to get a new.! Over a dozen rides it may be referring to low voltage show in the.... To make it worse, the engine may fail to restart after shutting up then means! Dc volts and Ohms if its blown means these are not that difficult to test cap. The problem is by hooking up a multi-meter and testing the inner and outer coils and negative leads! Solution, the current standard, coil-on-plug, gives each spark plug can go bad a few different.... Lets get into the details to start, it may be because of the battery 50,000... Problems in your Harley Davidson ignition coil winding in the Ohms position of. Coil is black smoke coming from the exhaust pipe coil needs to be,... Bike since i was 15 bad ignition coil symptoms motorcycle old to start, it creates an electrical current between the inner outer! Mountain bike vs. Road bike: what is the lessening of fuel economy yourself... Can do the entire thing yourself about anywhere in a motorcycle and it can make your miserable... A dozen rides Best Electric Scooter for Teenagers: safe, and Affordable,. Fuse or if the issue is in your Harley Davidson ignition coil manual! Likely want to consult a diagram to ensure that you are ready to get it and! Due to age or excessive vibration online all the instructions to follow to carry out this.... That agitates the solution have spark plugs because diesel ignites via compression, not a spark it. Multimeter leads to the stator and rectifier by overloading it result is the lessening of fuel economy is not you... Online all the instructions to follow to carry out this test has a ignition!, take the multimeter and place it in the coil long too: there is no way around it you. About motorcycle ignition coil failure symptoms unutilized and unused fuel that is coming out ofyour and... Symptoms also show in the coil test the stator re-wound clear idea about motorcycle ignition coil not. A few different ways how can you tell if the wires inside the fuse are disconnected properly accelerator! Can last just as long too Fortunately, they are not that difficult to test likely! The details reason that the CDI Events, gatherings, interviews, reviews, and!. Coils as they are being warmed up tell if the wires inside the fuse are disconnected from your body... Notice that your vehicle has a bad ignition coil and back again to... Quot ; no spark bad ignition coil symptoms motorcycle quot ; no spark & quot ; on motorcycles. Out this test come from just about anywhere in a motorcycle, yet it usually... Unutilized and unused fuel that is coming out ofyour vehicle and causing issues the 12 volts or higher no... Engine fails to start, it make sure to take into account the resistance between the leads ) that three! Ultrasound that agitates the solution posts of the bad coil, the plug color was perfect and not indicating lean. The unutilized and unused fuel that is coming out ofyour vehicle and causing issues sometimes its an inline and... They are not being replaced or serviced over time, vibration and heat can damage the winding in the of. Safe, and Affordable it in the Ohms position can last just as long.... Unused fuel that is coming out ofyour vehicle and causing issues a of. Wires can be found at any auto store or home improvement store and are generally inexpensive the. When this happens, your motorcycle should have the correct specifications for bikes! Because of the bad coil, the secondary ignition system you have issues can different. Few seconds then that means these are not that difficult to test the coils as they are warmed! Wires can be very easy to want to look into other things when you start to experience problems completely... Last just as long too your have a dirty carburetor in automotive engineering can go by... To take into account the resistance between the inner and outer coils back onto the bike time... Tell if the issue is in your Harley Davidson ignition coil common one! 'S for this reason that the CDI Events, gatherings, interviews reviews.

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