Minimum values: Install the plastic cover over the coils, mount the fuel tank and tighten the mounting bolts. Replaced the cool twice, still same problem 2. Youll want to leave the engine off without cranking for this test. The gap is determined by the amount of voltage generated by the ignition, spark plug gap, and the compression ratio. *CB175 / CB200 Owners: While the basic wiring flow is the same, these motorcycles only use a single point and single coil in the ignition system. Im not familiar with the ignition system on 250cc class buggies. Cross country truck driver -- over dimensional freight Of these windings, one is dedicated to supplying the CDI with ignition power. 5.49. but yet i dont have any spark? To test the operation of both the ignition coil and the spark plug, connect the tester between the spark plug boot and the spark plug. Fresh gas. My confusion with it is the Manual says in Step 1: "Disconnect all ignition coil wires (including the spark plug leads) before testing." Than it says to test the primary circuit. And reply with your results, well try to help. Using the wiring Diagram I have made my own plugs and disconnected all other wires. Shop Now | New Electrical Componentshttps://www.rockymountainatvmc.com/Sales/836/How-To-Troubleshoot-Electrical-Components?utm_source=youtube\u0026utm_medium=howtotestignitioncoils\u0026utm_campaign=youtubevideos\u0026utm_term=description\u0026utm_content=youtubevideosIgnition Coils play a crucial part in starting your machine, but when do you know if your ignition coil is bad or not? Pinning up the multimeter to the battery ground terminal. They replaced the pick up, the coil and the cdi unit. So this means CDI is bad right? I wired every ting and had no spark. hello can some one help me i have a crossfire 150 i have new coil a new stator and new spark plug. I have a Subaru Robins engine that runs great and I got the same output when I tested it. 1) Stator What is the etymology of the term space-time? Have a hammerhead 150. So, could I have a bad CDI? did you happen to find any answers yet or a relevant schematic? Dont forget to ground back the pickup coil to the frame. Before getting started, take a look at this diagram. The 0v on the trigger wire does seem to be the problem though. Is it just me or should this wire not have 12 volts going to it while the key is off. blue/yellow=0.149 vac. thanks for your help Have no spark wiring burned up before no spark,test everything with other parts,but still no spark.What could be wrong with it? My gy6 does not spark while cranking, but just as I let off the key it fires. No Spark. The ignition coil is close to the front fender or on a bracket around the distributor, depending on the car. With most modern vehicles, a faulty ignition coil is enough to turn on the Check Engine Light. maybe I read your post wrong your not connecting the coil ground wire back to the cdi are you? Its unlikely that the chatter indicates a bad starter relay, but it can go bad very quickly if the battery voltage issue isnt corrected. If this is the case, there will be no permanent damage. The magnet is on the shaft so for every revolution there is a positive pulse and a negative pulse. I wonder if my wiring is not typical and I somehow damaged the new CDI. You should have a resistance reading of at least 3-4.5 ohms. I had the engine started two or three times and touched the kill switch wire to engine to stop it . This will provide power to the car's electrical system and, thus, to the spark plug you're holding (assuming your ignition coil is working) 8. Diminishing Power Output. I have a tank urban racer de 150 gy6 I notice the stator is bad. No spark from spark plug, I replaced everything spark related, with the above kit. There should be at least 0.05vAC coming from the trigger wire (Blue/Yellow). Could my ignition switch be bad? Before beginning to troubleshoot ignition problems, it is best to bypass the switches. No spark I replace the coil cdi and stator with no difference. Trigger wire to CDI: .5v to .1v $13.40 shipping. Larry, please go through the steps above using a multimeter and reply with the voltages you see at each step. I ask because if your battery is low, you are going to have low starting RPMs, which in turn produces low stator voltage. maybe the key switch is bad. There is an AC type and DC type CDI. What should the voltage coming from the CDI to the coil be? Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Have you removed pin #5 (Kill Line) from the CDI plug while testing? When you feel like the scooter is running poorly and hard to start, your scooter's ignition coil should be tested as part of the troubleshooting procedure. Ive been using a jump box to turn it over. This is the Blue racing AC CDI box with a no rev limiter. I have a yerf dog spiderbox no fire to spark plug. The three yellow have only 2vac coming from them. It is made up of the ignition coil and the spark plug. How-To: Size Your Pilot Jet, Pilot Screw Explained, 8 MUST Have Modifications Harbor Freight Blast Cabinet, How-To: Prevent flash rust on metal parts, How-To: WOOD DIY Vapor Blast/Dry Blast Plans 4230 & 6040, How-To: MRCOOL DIY Mini Split Installation. the plug is installed to the boot cap properly. Step 3: Remove the spark plug cap from your scooter. They do make harness kits. Should I clean the carb? The fuse blowing problem is most likely related to the regulator rectifier and also likely a separate issue from what is preventing spark. But why it would matter is you are correct it generates voltage either way but if you could put it 180 degrees off the piston and valves would not be TDC when it should be and the exhaust intake valves would be out of time as well with the firing. from cdi 1 0.01 volts This entire problem began 15 minutes after my son washed his ATV. Trigger pickup: does that mean its bad? Trigger I cant get any readings. In other words, how do I test the black and green leads into the coil to see if power is coming from the CDI? Then, remove the fuel tank, and maybe even the bike seat, to access the coils and spark plugs. While cranking the engine, use a multimeter to check for voltage coming from the Red/Black (CDI power wire) and the Blue/Yellow (trigger wire) coming from stator. my dad has a cater talon 150cc dune buggy that has bad wiring. Specification:12V Special Features:Motorcycle Ignition Magneto Generator Alternator Engine Stator Coil Material Type:High class quality and very durable Item Diameter:0inch Item Weight:0.56kg Item Height:0inch Item Width:0inch External Testing Certification:CCC Model Name:XQ-525 Origin:Mainland China Motorcycle Accessories:Motorcyle Generator Alternator Engine Charging coil Motorcycle Stator . Based on that information I thought the stator and pick up sensor were OK I re-connected the CDI box and measured the voltage to the coil and received 0 volts. Anyway No Spark. I thought the CDI box was bad so I replaced it and the coil but had the same problem. You can test the coil, but I don't think that is the problem. You only need a digital multimeter that can properly give readings . The 12-volt pole is the spot where the power comes into your coil. After finishing all these processes, ensure to reconnect your vehicle's electrical connectors and reinstall your engine covers. (These are both bullet-style connectors). This leads me to think it is a problem with the neutral but I dont know how to confirm. I HAVE NO SPARK ON MY ROVER YERF-DOG IT PRODUCE 23 VOLTS FROM RED FROM CDI AND THEN I CHAGE CDI BUT DO NOT START. Traced the wires and did find minor greenish corrosion on the ground connection to the kill switch on the handlebar. Correct the leads and replace the fuse and you should be good to go. Set your multimeter to ohms. Have no spark. if it does start you ether have a shorted kill switch, the pin 5 CDI wire is grounded to the motor somewhere or your kill switch is turned on. The difference between these two systems boils down to the use of permanent magnets in one system and an electromagnetic field in . Next, measure the resistance from the top voltage (ground wire or secondary wire). One really odd thing I see that seems like a problem is that the performance cdi I bought has a light on it and when the key is in the off position it lights up and when it is in the on or cranking position the light goes off. Voltage at the Blue/White stator wire not connected to CDI is 300 mv Before the scoot ran so good I put my scoot in the shop and thats when my trouble started. 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. But in the original spark test, you'd have to test all the plugs. So I charged it up. I have a 150cc GY6 ATV that is getting 30 VAC to the coil but no spark. When I go straight to the black/white wire on the key switch it is ring only with key off (as it should be). So, does that mean the pickup module is bad and do I have to replace the whole stator assy.? The steps to test the high voltage coil of your scooter. If not, I can help identify it. You want 9500-10000 Ohms, a little less is ok but no more. Thank you for your time and have a great day. 2. I get correct ac voltage at cdi power, trigger wire, and cdi output. Im trying to bypass the 9 pin harness that connect to the alarm on a velocity it has 8 wires and I dont know which ones to connect . My guess is its the CDI. Starts right up but blows main fuse after about 30-60 seconds of run time. He owned and operated a manufacturing business building Compact Utility Vehicles for homeowner use. Im lost now dont know what else to try. Inventor with two patents (weight training – anti-rollback for manual wheelchair) Your colors should generally match the pinout drawing in the article above. Hey Dan, Spark Plug Fire Is ORANGE Next, place the red or black lead from the meter to the centre of the coil , and to either one of the terminals positive or negative. The crank will turn when I use the starter switch but there is still no spark. My understanding is its for charging the battery and such and independent of the CDI and ignition firing. Does Chain Lightning deal damage to its original target first? These are usually located right on the engine, either bolted directly to the spark plugs or mounted remotely somewhere on top of the engine. any help would be awesome. I just would like to thank you guys for this article it simplifies the entire ignition system. Are you using a digital multimeter or analog (with needle) to read voltage? A very common cause of no spark is a defective ignition or kill switch. My green wire coming from my key switch(ignition) ohms out to ground. 22.5 v He thought it was the ignition switch so we bought a new ignition switch and wired it up and itll spin over but no spark to the plug. 2 4.6 volts You. inside the rubber bootcap youll see a hole with a little wire protruding from oneside to the other. I have checked all the wires to to the cdi and from the stator and I see no breaks or frays causing an open or a gnd. I believe youre on the right track with cleaning the carburetor, especially if its been sitting a while. If you are not sure about which wires the primarywires are, it will be the small ones connected to the coil. Thanks a bunch for your help and comments. #6: Ignition coil. Use your multimeter to make sure that you have electrical continuity between pin 4 of the CDI, to any unpainted metal part of the engine. To eliminate this as a possibility, disconnect the rectifier. I used the multimeter at the CDI power from Stator and test 6~7V. Do EU or UK consumers enjoy consumer rights protections from traders that serve them from abroad? Arthur, all of the Kinroad models Ive worked with use AC CDIs. Be sure to also connect your toggle switch to the kill wire or you wont be able to turn off the engine. Note: If all of the ignition coils aren't delivering spark, the issue is likely with the control side (primary side) of the ignition system, rather than a single ignition coil. 22.5 v Trigger output 0.1. Any ideas? Too small? The main tools you will need to do these tests are 1) The Service Manual for your particular bike 2) an inexpensive multi-meter to measure ohms of resistance. A spark plug misfire will immediately be evident in the tester window. When you go to change positions with the key, you pass over clean part of the connection inside and for a moment it allows spark. Write the voltages down and continue to the next step. You will want to know if your installation was successful and that you aren't having additional electrical problems. First, turn off the engine ignition switch and make sure the ground cable for the battery is disconnected. 3. Step 3: Disconnect the wiring harness for the ignition coils. Make sure the ignition switch is OFF. I have tried multiple wires in the bundle but no luck. Now, start the vehicle and run for several minutes. There isnt any place close to where I live that works on these motors so I have to do it myself. Thank you for the ignition troubleshooting guide. Bad ignition coils cause cars to run poorly because of diminished power output. Why no spark??? I was able to jumper the Green to the black on the key switch by screwing them on to the I terminal. No power to the coil on my Yerf Dog buggy and cant figure out why. Im hoping its just a stupid rookie mistake and Im missing something simple. All good at this point, connect the coil no spark and no voltage to coil. The good news is that you only need one gadget to help you figure this out. Worked for a few starts. 4. I disconnected the regulator tested all voltages yes there back. Spark Plug (New) = gapped to .6mm. He is committed to outdoor cooking in a Bar-B-Q pit he welded together several years ago. On mine the power is red/black the trigger is not the yellow/blue but they are the only two bullet connectors. Killswitch wire is cut and have grounded everything to multiply locations. The Motorcycle simply died once day and wouldnt start so I wasnt having any problems with fuel before. Its a pretty common mistake and will blow the fuse just as fast as you can replace it. Obviously the 6 pole worked originally before I bought it but then was damaged before I got it. I have a 150cc motor that I have successfully swapped into a 50cc chassis. Now move the positive lead to one of the other coil terminals. Nov 7, 2009. If you need a more complete wiring diagram, our diagram for the Dazon 150 Classic would more closely match your Kinroad: If it is faulty, you can either replace the coil or see a mechanic with the readings recorded. If you just turn the key to the RUN position (without starting), does the same 30 60 second fuse blow happen? And I Removed My Kickstart. Hi I have a Yerf-dog rover and Ive replaced the coil and CDI box and still have no spark. The high voltage output of the coil is directed to the appropriate spark plug . CDI Ouput: 0.0v to 2.3v. Neither primary wire has a connection to the metal body of the coil bolt area (ground). But the true test for a coil involved a small tester called a growler. I think the problem Is that stator wire not being plugged in but the guy I got it from swears it ran with the wires just like they are. does anyone know how i can test it? The 3-pin connector. Your car's ignition coils might be connected to the spark plugs directly. This is a brand new out of the crate engine. Any ideas or new stator time? 6. What is interesting is if I meter the back of the CDI plug when its connected I get no voltage showing on pin 6. 7. i just bought a go-kart /buggy it has a 150cc gy6 engine the guy i bought it from said his son rode it and shut it off and it wouldnt start up so i replaced the carb ,the wire harness kit since wires where falling out and the cdi box, ignition coil spark plug rectifier it fires and getting gas sounds like it wants to start but wont start new battery as well im thinking it might be out of time it has alot of pressure and knocks hoses off carb while trying to start how do i know if its the timing ?????? Why would I keep having this problem? seems that is comon on these chineese buggys. As the current flow in the primary winding is interrupted, the magnetic field is suddenly reduced and simultaneously generates the high voltage needed for the ignition spark in the secondary winding. Ignition coil overheating: what to blame? (e.g. Digital meters are sensitive enough to notice the micro burst of voltage, but it is averaged out over time. An Electric diagram would help finding a blown fuse. I did order a new harness and stator which I have not installed yet because there are definitely some loose items in the harnessI jiggled the loom around and the push button start is working again, for example. Any help??? Input from trigger module Retested the voltages yes back again with out put from cdi 30v, re connect coil no spark, voltage output lost. You may have to have a good technician have a look, diagnose and estimate repair. Is there any other test I can perform to pin point the problem? You can use the tester on any small engine (mower, snow blower, chain saw, string trimmer . It is advisable to test the scooter coil when it is hot. Locate and disconnect the Black/Red and Blue/Yellow wires coming from the stator, where they plug into the main engine harness. Is a copyright claim diminished by an owner's refusal to publish? Motorcycle battery that cannot be recharged, what to do? Desperate to get this running for my kids please help! Use the guide above to gather your voltage readings at each step. #New Arrival# Motorcycle Oxygen Sensor Electronic STC-CS2-L Two-wire High Quality First-line Equipment for Startec Motorbike Fuel System Acces 2.99. If it has the F/N/R trans with reverse then you have the DC ignition system. connected both wires together and started right away. Well stick our CDI pinout diagram right here so youll have access to it for the steps below. I have compression so the timing chain is good (CAM) is working) Battery is fully charged as well. In nearly every case of a bad ignition part, spark is just gone or intermittent (but still in time). Replaced coil, cdi and stator. This winding is usually wrapped in white cloth material and sealed over with clear epoxy. Coils are generally a sealed, water-tight component. I know this is a buggy site sorry but its a good gy6 site. So my friend has a 2011 Biella Peace 150cc scooter looks like a gy6 engine. I have a cg 150cc engine I am installing in a home built buggy. If I jump it to bypass switches it will crank with key. But Id be sure to replace the stator at the same time. I know they mentioned the kill switch and mine was fine. With the bike in 4th or 5th gear, turn the rear wheel. I have replaced the stator, cdi, startor motor and coil. There are times when an ignition coil will work fine while the engine is cool but starts to fail when it warms up. Heres my pin out. But even the new stator is producing low voltage, 16v is the lower limit of producing spark. 2. The majority of 150cc models wire the switch on the ground-side of the starter solenoid, so what youre describing (seeing 12v there, and grounding the wire causes the starter to turn) is normal behavior. I would disconect the pickup coil wire from the CDI and hook a volt meter to it on a milli volt scale. Was all working fine when I got it then the starter clutch destroyed itself. In other words, the ignition coil works like a transformer. How does the ignition system control the Energy of the spark? I am so exited, this has plaque me for a while. 2009 Ford Escape Hybrid - Ignition Coils and Spark Plug Replacement, Failed coil electronics plug for one cylinder, Finding valid license for project utilizing AGPL 3.0 libraries. 1. It seems to hit right when I push the start button. Thank you for your help. i have a dongfang 50cc df50sst moped and someone cut all my wires from main harness and i need to rewire the whole thing the parts themselves still have a connector on them just got to run main harness to connect everything ign,lights,cdi,starter etc etc does anyone know where to get a harness to complete this and a diagram to follow or how to wire it myself, These are the list of my problems of my GY6. Make sure your brake and clutch are being held down sometimes this can block a spark/start. Triple checked the stator and cant see an issue. Could the flywheel itself have been damaged when the loose nut was in there raising havoc? Learn how to complete a Harley Davidson ignition coil test to make sure your coil is performing properly. Just like before: while cranking the engine, use a multimeter to check for voltage at the two primary wires of the ignition coil. Ok so I bought a used hammerhead twister 150 was told it had a new motor and computer. And replaced ALL the pin connectors . Let me know which trans you have and well go from there. I unbolted the module from the engine block and theres continuity between the wire and the module base. I have had someone holding the foot brake. Thank you. The valve cover is best. Bus Driver/Substitute Teacher I have a tomberlin crossfire 150cc gy6 clone. take the cap top of the plug it screws on should look like threads on top of the plug after you remove it. There are scooters where the ignition coil is located under the flywheel and these are mostly mopeds. To diagnose your ignition system, you will need to do each of the steps in this article, in sequence. Please follow the steps above and reply back with your results from the test, well be able to help pinpoint the issue. The frame of the coil will be connected to the battery ground as well as the body of the spark plug. It sounds like you have a DC fired CDI. to Pin #2 Try contacting the seller of your engine to see which type of stator came with that engine, hopefully they will be able to tell you. Trigger output 0.1. the spark plug is fine. Since you have the red/black wire its near certain that its an AC setup. As I just talked about testing motorcycle ignition coils, let's learn how to do it. brought new cdi basic model, regulator ,coil, measured all AC voltages 80v from stator out put, 0.3v from stator trigger, 30v from cdi out to coil. I got it they lost the key and the alarm box is missing. Im stuck. Thanks Chris. I only get a reading when the engine makes the first turn or if I just bump the starter. THANKYOU THANKYOU THANK YOU I REWIRED ACORDING TO YOUR DIAGRAM AND GOT SPARK TO THE COIL.NOW I AM WORKING ON GETTING IT OUT THE COIL.I HAD TO REWIRE THE GY6 BUT SO FAR SO GOOD .B. I even replaced all the electrical parts hoping for some luckNo Luck. Set your multimeter to measure resistance (Ohms) and select the 20k resistance range. I disconnected the harness from the stator and at the other end, at the rectifier and still show ground. I have changed CDI stator and coil any ideas would be extremely helpful. Place the black lead of multimeter on a metal surface of the engine while using the red lead on the tips of the wires. I have good voltages all the way to the coil with the coil unplugged. Ant suggestions ? If youre getting intermittent spark that seems to be in sync with cycling the key, the internal contact of the switch are likely worn or corroded. I have two CDIs and neither one read any voltage. And said it wmlould be OK now maybe for 3 months later as I was coming back from work ,it started a short on battery cables leaving +&- wires completely burned Shorted out by frame ,,,my husband only changedo battery terminal wires with same wire gauges ,but my ignition switch, horn, turning signal lights front & back and brakes lights not working ,like there is no power / fire to it, but when he Kickstart it , it started up and was only able to get running lights and back lights but no brakes , blinkers ,or horn .I was able to take to shop but here in Portland Oregon we dont have enough shops for scooterso and they told me they are booked up for 6 month, and I cant wait that long ?any suggestions for me to do ,please help ,thank you? So it sat in my garage for about two years and now it wont start. So make sure the kill switch, key switch, and possibly the brake switch are either out of the circuit, or properly connected and positioned for starting. Take this measurement for me twice, once without the sparkplug connected, and then a second time with the spark plug connected and in the plug hole. The best answers are voted up and rise to the top, Not the answer you're looking for? Its a little larger than the AC type.. 4) Spark plug Ordered new solenoid and tune up kit. Question my positive wire on starter is grounded, I can take ignition switch from key and touch it to the frame and motor turns over. Replaced all. The Nibbi Racing Parts replacement original high performance ignition coil is designed to improve engine starting and reduce voltage sag. I put the coil ground to the engine frame. Ahhhhhhhh Normal voltage from the stator is normally anywhere between 60v 120v. Connect your multimeter's negative (black) lead to the base of the coil (point A on the diagram) and connect the positive (red) lead to the stop switch (Point B on the diagram). Kinroad XT150GK-2 buggy 6 pole a/c stator/cdi. Tested with OLD CDI and received the same readings. The buzzing comes from what I believe is the starting relay. I have problem with the headlights blowing out with the stator I have in there now, and also I put H4 55/60 in I notice they are melting the lens. If your talking about pins on the CDI you may be using the wrong type CDI. What were really after is the other lead of brake switch, mark it. Charged as well as the body of the CDI unit voltages you see at each.. Your coil is located under the flywheel and these are mostly mopeds not the... My garage for about two scooter ignition coil test and now it wont start wire not 12! For homeowner use hi I have to have a great day right track with cleaning the carburetor, especially its..., take a look at this diagram for my kids please help from my key by. No scooter ignition coil test damage cranking, but just as I let off the engine frame have no.... Getting 30 VAC to the kill wire or you wont be able help! 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