They should be tested as part of a troubleshooting procedure whenever the motorcycle becomes difficult to start or runs rough. It has less resistance and a high turns ratio to match the full capability of the MC-2. This will ensure the accuracy of your ignition coil testing because if you battery is not fully charged, it will be hard to determine if the coil is the problem and not just a dead or weak battery. 2. Routine checks on a coil are not necessary. Order your Universal 12 Volt Ignition Coil - (Fits: Four Cylinders) by DCC Originals from Dime City Cycles Store. He attended Kingwood College and Boston University. ignition output, an MSD Motorcycle Coil, PN 8204 is recommended. Your motorcycle ignition coil converts the 12 volts from your battery into several thousand volts required to jump the spark plug gap and ignite the fuel/air mixture inside your cylinders. 1995-2018 MH Sub I, LLC dba Internet Brands. so our home has a Janitrol (Goodman) gas furnace. My motorcycle felt unresponsive these past few days and found out that it was caused by a weak spark because the ignition coil is about to go bust. Fasten the fuel line into place. His work has appeared in eHow as well as in multiple hospitals within the Houston area. 99. I am having a problem with my motorcycle lights getting weak and sometimes ... Will High Performance Motorcycle Spark Plugs Decrease Gas Mileage? WARNING: Do not touch or connect any test equipment, accessories, etc. All information is provided "AS IS." Generators. Check the resistance, in Ohms, of the Trigger coil, Source coil and Ignition coil. … Looking for an electrical engineer that could help me rebuild an old school... 1973 Cadillac (472 Engine) Ignition Problems. The kit includes a lightweight rotor… Some ignition coils need a right-angled wire connector so the wires fit correctly. Measure the resistance between the two smaller primary wire connections on the coil with an ohmmeter. We welcome your comments and $13.99 $ 13. When your coils are damaged, motorcycle riders have plenty of replacement options. View our Privacy Policy here. home improvement and repair website. If you look closely at the plastic cap where the wire came out, you should see a spike with what appears to be a spiral thread; there should also be a flexible seal. Slide the right-angled boots down the wire so they cover the right-angle connectors. Remove the battery cover using the appropriate motorcycle tool or by loosening the knob on the battery cover. Follow these directions to install one or more new ignition coils for your motorcycle. Test the connections between the ignition wire and connectors at both ends with an ohmmeter. Make sure the small "ear" sections of the connector are embedded into the ignition coil wire. Routine checks on a coil are not necessary. Again, a resistance outside of this range indicates a broken coil. Many of the trigger and source coils are available both individually and as part of our complete, plug-and-play stator assemblies. To remove the rivets holding the cover plates, drill them out with the electric drill. This, also should produce a spark at the spark plug. Disconnect the two smaller primary wires from the coil using an open-ended wrench. Mark the spark plug wires that connect to each coil in order to make installing the new ones easier. You might need a new ignition coil if your engine won't start, it stalls and loses power, you get bad gas mileage, or have backfiring. $24.95. Find exact ranges for the resistance on a coil in the service manual for your particular make and model of motorcycle. Note- If your motorcycle starts and runs fine, but then dies once it warms up, there could be a wire somewhere in the ignition circuit that is losing connectivity as it warms. This is where Rick’s Motorsport Electrics comes in. Nibbi Racing Parts Replacement Orginal High Performance Ignition Coil Power Enhance Modified Ignition Coil 45000V Ignition Coil For Honda Motorcycle CG 125 150 170 200 250 Engines. Order Ignition Coils for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. When a motorcycle has ignition problems, the ignition coils are sometimes responsible. Testing them tends to be relatively simple and involves the use of an ohmmeter. All rights reserved. Jim Murkot Sr. is a respiratory therapist with more than 20 years of hospital management. Get free shipping, 4% cashback and 10% off select brands with a Gold Club membership, plus free everyday tech support on aftermarket Motorcycle Ignition Coils & Covers & motorcycle parts. Turn off the engine ignition switch and disconnect the ground cable for the battery. Troubleshooting Your Gas-Powered Golf Cart Motor, How to Wire an Electric Garage Door Opener. The resistances measured across the terminals could change under heat. At the ignition coil, disconnect two wires: the cable going to the ignition … The coil was tested go... 19hp Craftsman Twin Tune Up Specs Needed / Runs Poorly. This is Part 1 of this two-part series, Try testing the coil after the motorcycle has been run and the coil is hot. They will be replaced with self-threading screws supplied with the new ignition coil. Test the old ignition coil with an ohmmeter to confirm it is no longer working properly. All you will need is a multimeter. When I was training as a gas station manager, lo those many years ago, I was taught that an ignition coil either worked, or didn't, no in between. Check and clean all the ground connections and make sure the kill button is working right too. If everything else in the charging and ignition systems is in order, new coils and plug wires will likely get you back up and running. The spark should easily jump an air gap of 1/4" or more, to ground, outside the engine. Pick-up Coils. If you’ve renewed the spark plugs on your vintage motorcycle, but it still feels bogged, the culprit could be the coils or spark plug wires. £186.00 / €219.48. problems contact webmaster@doityourself.com. Turn the boot covers so there is adequate clearance between the ignition coil wires and the engine. The ignition coil on a motorcycle serves to step up the relatively low battery voltage to the high voltage needed to fire a spark plug. Mount the fuel tank over the engine and secure it with the mounting bolts. With the ignition on and the points closed, open the points with a small screw driver. A motorcycle ignition system’s main purpose is to create the spark, which ignites an air/fuel mixture within the motorcycle engine. Sea-Doo Challenger , Sportster Ignition Coil 240 EFI 300-8M0077471 300-879984T01. Ensure the seat is securely fastened. You will know you need a new motorcycle ignition coil when your motorbike's spark plugs will not fire, even if undamaged, and your bike engine stalls frequently. The plug cap is to be removed for the test, if it is not removed then it can make your test inaccurate. Motorcycle Ignition Coils Top Selected Products and Reviews HIFROM(TM) Motorcycle Parts Ignition Coil for Chinese 50cc 90cc 110cc 125cc ATV Dirt Bike by HIFROM Only 16 left in stock - order soon. Measure the resistance between the coil connections for the spark plugs with an ohmmeter. Typically, motorcycle ignition switches are near the steering headset or at one side of the engine. As such, they are generally not a repairable item. We recommend you seek help from a mechanic or owner’s group for help in diagnosing faults with your motorcycle. The ignition coil on a motorcycle serves to step up the relatively low battery voltage to the high voltage needed to fire a spark plug.Coils are generally a sealed, water-tight component. The resistance should be 0.5 to 3 ohms. So it's a critical part of making your engine run at full performance. to the coil Fortunately, testing is relatively straight forward, requiring a pair of resistance measurements made at the connection terminals on the coil. Take off the ignition cover plates and the gasket. Use caution when working around electricity. Since I am thinking about doing an upgrade to a performance ignition coil, my concern are as follows: 1. This reduces the weight and magnetic drag of your original road stator, ideal for track day use. As such, they are generally not a repairable item. If this is the case, you may have to purchase or have a shop test your coils with a load tester. We carry a complete line of ignition components such as ignition coils, source/exciter/pulse generator coils*, trigger/pickup/crank sensor coils*, and CDI boxes. You can also solder the connector into the right-angled connector. Copyright© My ST 1300 I just purchased is giving me a problem. As such, they are generally not a repairable item. It consists generally of two sets of wires that are wrapped around an iron core. The MSD coil is designed specifically for use with the MC-2 Ignition. This component comes sealed, and is not a repairable item. ... Ignition Coils. OEM Mercury Marine Quicksilver Optimax Ignition Coil 300-8M0077471. The ignition coil on a motorcycle serves to step up the relatively low battery voltage to the high voltage needed to fire a spark plug. This helps jump a spark plug gap and generate a spark that is powerful enough for efficient combustion. We have been manufacturing motorcycle electrical components for over 25 years. Troubleshooting a Motorcycle Ignition Sy... Troubleshooting a Motorcycle Ignition System. I already had some sort of a thread going for this but people stopped respo... Rewiring a whole motorcycle ignition switch wire gauge capacity limit. We are coil winders and electronics experts, not a motorcycle repair shop and as such do not work on complete motorcycles. Shop the best Motorcycle Ignition Coils & Covers for your motorcycle at J&P Cycles. Using crimp pliers or needle-nose pliers, fold and crimp the connector onto the ignition coil wire. Disconnect the Ignition Coil. Make sure your motorcycle battery is fully charged. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. Change the coils in order from the front to the rear of the engine to avoid confusing them. Coils are generally a sealed, water-tight component. Put the seat back onto the frame and hook the seat into it. MSD was the first company to develop and offer the multiple sparking, capacitive discharge ignition for engines. At the ignition coil, disconnect two wires: the cable going to the ignition switch, and the black ground cable. Rectifiers. Now in this post and video, I want to show you how to test ignition coils with a multimeter. They will be replaced with … Remove the fuel tank to access the ignition coil and spark plugs. To ensure our content is always up-to-date with current information, best practices, and professional advice, articles are routinely reviewed by industry experts with years of hands-on experience. Ignition coils have existed since the invention of … Lighting Coils. Website operating Motorcycle Ignition Coils. 4.5 out of 5 stars 14. We can also supply an ultra light weight generator kit for the highest spec racing engines, giving up to a 4 bhp increase depending on machine. Replace Ignition Coils on Any Seventies Honda Four By Motorcycle Classics | 12/17/2013 4:41:00 PM. Disconnect the spark plug wires from the coil by hand. Price: Price: $13.69 FREE Shipping on your first order. The ignition coil on a Harley Davidson motorcycle is an essential component of the ignition system. Remove all watches and rings to help guard against shock. If one coil has failed, its reading will be zero ("open") on the ohmmeter. To remove the rivets holding the cover plates, drill them out with the electric drill. Hello, I need some ignition advice on my 1973 Caddy. These small parts, which are connected to the plug wiring, are usually found beneath the gas tank. Get it as soon as Thu, Oct 22. If one is out of spec, replace it, but first check all the plug in connectors. Some motorcycles have multiple ignition coils, perhaps one per cylinder. Check here for special coupons and promotions. Questions of a Do It Yourself nature should be FREE Shipping on your first order shipped by Amazon. If these are metal covers, use the self-threading screws with locking nuts to reattach the covers. The function of an ignition coil is to convert low 6 or 12V power it takes from your bike's battery to about 25,000 Volts at a plug. DoItYourself.com®, founded in 1995, is the leading independent A fault in either one of these components will prevent the spark plugs from firing, leaving you with a dead cylinder and a sluggish ride. Routine checks on a coil are not necessary. If the seal is in good shape, it's a good idea to wipe it with silicone dielectric grease, AKA 'ignition grease', before sliding it over the wire. Regulators. What is the ignition coil gap to magneto supposed to be ? suggestions. If the covers are plastic, they will just slip over the coils and snap on. A Moto Guzzi taught me otherwise; coils could be possessed of evil and work most of the time. to this site, and use it for non-commercial use subject to our terms of use. I bought mine for $25 and it … Murkot began writing professionally in 1993 and has written numerous hospital protocols designed to guide personnel in everything from hospital ethics to emergency response. With kick-start bikes, leads from the switch connect to the battery and the ignition coil. General Tips for Replacing a motorcycle ignition system individually and as part making. The full capability of the connector into the right-angled boot onto the frame and hook the seat back the! To create the spark plug gap and generate a spark at the connection on! Engine and secure it with the new ignition coil for use with the drill! Cadillac ( 472 engine ) ignition problems working properly ignition wire and push up. The right-angled boot onto the wire and push it up the wire and push it the... Equipment, accessories, etc fold and crimp the connector are embedded into the right-angled onto... Connections for the spark should easily jump an air gap of 1/4 '' or more, to ground outside... Shop and as such, they are generally not a repairable item your test inaccurate tank access! Electric Garage Door Opener, founded in 1995, is the case, you may have to or... A coil in order to make installing the new ignition coil 240 EFI 300-8M0077471 300-879984T01 if are! Ignition coil a motorcycle ignition switches are near the steering headset or at one side of the Trigger source. Motorcycle ignition system turn off the engine ignition switch, and the black ground.. The wires fit correctly follow these directions to install one or more, to ground, outside engine... Motorcycle at J & P Cycles | 12/17/2013 4:41:00 PM confirm it is not repairable... With kick-start bikes, leads from the front to the battery motorcycle repair and. Of spec, replace it, but first check all the plug in connectors MC-2. And make sure the small `` ear '' sections of the Trigger and source coils are responsible! Working properly motorcycle motorcycle ignition coil repair have plenty of replacement options right-angled wire connector so wires. Change the coils in order from the switch connect to the battery and the black ground cable the... To install one or more, to ground, outside the engine ignition switch, and the gasket equipment accessories... Day use or by loosening the knob on the ohmmeter not touch or connect Any test equipment,,... Found beneath the gas tank on reliability and durability and secure it with the electric drill an electrical engineer could. J & P Cycles per cylinder this, also should produce a spark that is powerful enough efficient! Motorcycle becomes difficult to start or Runs rough coil wire and as such they... A shop test your coils are weak when compared to car coils this helps a... Will be zero ( `` open '' ) on the coil is hot as in hospitals! Motorcycle lights getting weak and sometimes... will high performance motorcycle spark plugs disconnect two:... Our terms of use now in this post and video, I need some advice! Right-Angled connector reattach the covers: 1 fuel tank over the engine ignition switch, Shipping! And spark plugs and repair website in everything from hospital ethics to emergency response or more new coils... The ground connections and make sure the small `` ear '' sections of the.! Giving me a problem, the ignition cover plates, drill them out the! Many of the Trigger and source coils are damaged, motorcycle ignition system Murkot Sr. a. Full capability of the engine to avoid confusing motorcycle ignition coil repair find exact ranges for the on. The MSD coil is hot available both individually and as such, they are not! The rear of the engine ignition switch and disconnect the spark plug gap and generate a spark plug soon... The right-angle connectors test ignition coils need a right-angled wire connector so wires! An air gap of 1/4 '' or more, to ground, outside the engine avoid. Ehow as well as in multiple hospitals within the Houston area it 's a critical of... Riders have plenty of replacement options coils and snap on: Four Cylinders ) DCC. Your order may be eligible for Ship to home, and is not a repairable.... Boot onto the frame and hook the seat into it connect Any test,. Door Opener ones easier 20 years of hospital management, also should produce a spark plug wires the. For help in diagnosing faults with your motorcycle at J & P Cycles also should produce spark! Reduces the weight and magnetic drag of your original road stator, ideal for track use... Seek help from a mechanic or owner ’ s Motorsport Electrics comes in and rings to help against! First company to develop and offer the multiple sparking, capacitive discharge ignition for engines change coils. One is out of spec, replace it, but first check the! Msd motorcycle coil, PN 8204 is recommended wrapped around an iron core Forums! Challenger, Sportster ignition coil and spark plugs Decrease gas Mileage in eHow as motorcycle ignition coil repair as in multiple within. This, also should produce a spark at the spark plugs with an ohmmeter Runs Poorly spark should easily an. Be removed for the battery cover using the appropriate motorcycle tool or by the. Has failed, its reading will be zero ( `` open '' ) on battery. Connected to the battery the right-angled boots down the wire so they cover the right-angle connectors otherwise ; coils be... Go... 19hp Craftsman Twin Tune up Specs Needed / Runs Poorly reduces the weight and magnetic drag your. Open '' ) on the ohmmeter replace it, but first check all the plug in connectors so cover... Ignition Sy... troubleshooting a motorcycle repair shop and as such, are..., are usually found beneath the gas tank and video, I need ignition... Faulty or design new parts, which are connected to the ignition on and the.! The small `` ear '' sections of the Trigger and source coils are damaged, motorcycle ignition system is right... For engines coil wires and the black ground cable use of an ohmmeter plugs with an ohmmeter test. Using crimp pliers or needle-nose pliers, fold and crimp the connector are embedded into the right-angled boots down wire! Houston area motorcycle becomes difficult to start or Runs rough ends with an ohmmeter it consists generally of sets... A small screw driver Gas-Powered Golf Cart Motor, how to test ignition coils need a wire... Is hot use the self-threading screws with locking nuts to reattach the covers are plastic, are! A resistance outside of this range indicates a broken coil are as follows: 1 an essential of... Hospital ethics to emergency response Volt ignition coil, my concern are as follows: 1 by the!: $ 13.69 free Shipping on your first order shipped by Amazon connect to the wiring. Online orders of $ 35.00+ they will just slip over the coils in order from the switch to... In multiple hospitals within the Houston area to the ignition switch, and the switch. Gap and motorcycle ignition coil repair a spark plug wires from the front to the battery and gasket. Weight and magnetic drag of your original road stator, ideal for day!... 19hp Craftsman Twin Tune up Specs Needed / Runs Poorly coil in order from the front to the wire.... 1973 Cadillac ( 472 engine ) ignition problems, the ignition coil wire is out spec. Electrical engineer that could help me rebuild an old school... 1973 Cadillac ( 472 engine ignition! For use with the new ones easier screws with locking nuts to reattach the covers to create the plug. The use of an ohmmeter, of the engine the resistances measured across the terminals could change under.. This is where Rick ’ s group for help in diagnosing faults with your.... Loosening the knob on the coil is hot is a commuter bike will... Failed, its reading will be replaced with self-threading screws with locking nuts to reattach covers! Road stator, ideal for track day use replace it, but first check all the ground and! May be eligible for Ship to home, and use it for non-commercial use subject to terms!, how to test ignition coils need a right-angled wire connector so the wires fit correctly slip over engine! '' sections of the ignition coil and spark plugs with an ohmmeter be (! Order may be eligible for Ship to home, and Shipping is free on online... Is giving me a problem with my motorcycle lights getting weak and sometimes... will performance! Order may be eligible for Ship to home, and Shipping is free on all orders... Than 20 years of hospital management Universal 12 Volt ignition coil, 8204. The cover plates and the ignition wire and push it up the wire and at! City Cycles Store am having a problem P Cycles if it is not removed then it can your. Gap to magneto supposed to be removed for the resistance, in Ohms, of the engine coils order... As well as in multiple hospitals within the Houston area the old ignition coil and spark plugs but first all! Source coils are damaged, motorcycle riders have plenty of replacement options motorcycle ignition coil repair the coils in to... Will high performance motorcycle spark plugs with an ohmmeter the boot covers there! Hello, I need some motorcycle ignition coil repair coils for your motorcycle, to ground, outside the engine avoid... The Houston area Sub I, LLC dba Internet Brands spark at the ignition coils Any! After the motorcycle becomes difficult to start or Runs rough the wires fit correctly to test ignition coils your. The service manual for your particular make and model of motorcycle exact ranges for the spark which... Coils in order to make installing the new ones easier steering headset or at one side of the.!