First, turn off the engine ignition switch and make sure the ground cable for the battery is disconnected. Followed the steps above (including bypassing switches) and got these results: Stator to CDI input: 68v to 71v Franois from Montreal is pledging $3 per video I create to help support me! Your scooter's spark plug cap must be removed for testing, if not removed your test may be inaccurate. How do you check for shorts? I had the engine started two or three times and touched the kill switch wire to engine to stop it . So where did I go wrong either now or before ? Learn more about Stack Overflow the company, and our products. I dont know. Please follow the steps above and reply back with your results from the test, well be able to help pinpoint the issue. Your next step is to pull the #6 coil you just moved and replace. Same both. Heres a link to the guide: https://www.buggydepot.com/tech-center/150cc-gy6-carburetor-cleaning-guide/, I have a crossfire tomberlin 150 got a new switch dont know where wires go can someone help, https://www.buggydepot.com/tech-center/150cc-3-wire-ignition-switch-pinout-crossfire-150-and-150r/. I am reviewing a very bad paper - do I have to be nice? Thinking I could have a fuel issue I have checked the filter and also used starting fluid with no success. Any ideas? This works for breaker point and CDI type ignition systems. I bought mine for $25 and it works great. Set your multimeter to read resistance (ohms). When cdi out and ground are connected to coil, output from cdi drops to 1.5v and stays there until output wire is grounded which discharges the capacitor then output is back to 35v until hooked to coil. Of course, because all cars are different, an ineffective ignition coil may register a different code for the problem. Is it supposed to maintain voltage? Learn how to complete a Harley Davidson ignition coil test to make sure your coil is performing properly. He has been DIY since childhood and is now a septuagenarian. Open/nothing Write the voltages down and continue to the next step. It needs 12 volts from the battery to work if you have a DC type CDI. Make sure your motorcycle battery is fully charged. Any ideas or new stator time? Trigger is putting out 0.1 VAC 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. 1) Stator Inductance coils take a long time to get charged and that's where CDI comes in. Neither primary wire has a connection to the metal body of the coil bolt area (ground). Although the frame usually isnt a good ground, killing spark through that way shouldnt have damaged the ignition system. Stator checks CDI power appears to be okay. 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. It only takes a minute to sign up. I disconnected the harness from the stator and at the other end, at the rectifier and still show ground. got plenty spark from cdi but when i hook it to a brand new coil i get nothingno spark from plug.no juice from coil wire..whats wrong with this picture ??????????????????????? So I did a voltage test to see what is lighting it up my green wire going into the cdi has 12 volts with the key off but when you crank the engine or turn the key to the on position there is no voltage at this green wire. However, above idle, it misses and makes no power. I have compression so the timing chain is good (CAM) is working) Battery is fully charged as well. Robert: have a scoot coupe trike, kymco 150 (gy6 w 20cc big bore kit, less than 100 mi. CDI test. I can start it while pushing the accelerator up and down, but it wont continue to run unless Im accelerating. The ignition coil (red/white?) Copyright Thanks! Next, measure the resistance from the top voltage (ground wire or secondary wire). Inventor with two patents (weight training – anti-rollback for manual wheelchair) What is your voltage at the coil primary(the hookup leads on the coil) while cranking? Kill at ignition switch has been bypassed. Bad ignition coils cause cars to run poorly because of diminished power output. replaced the AC CDI and rode for 5-7 minutes then it died again. maybe I read your post wrong your not connecting the coil ground wire back to the cdi are you? rev2023.4.17.43393. I am using a digital multimeter. Thx! Im stumped and got a $2000 lawn ornament just sitting. I have just replaced my stator due to the black/red coming up ofl and once I put it in it fired up and drove for about 6 hours of run time and it is back to ofl and not running. Gone through the trouble shooting guide, I have 26VAC on cable to pin 6 and 0.22VAC on cable to pin 1. Tried old coils tried old cdis ok on voltage tests until you connect a coil then output voltage from cdi is lost. When your scooter's new ignition coil is installed, the coil test is really necessary. Craftsman Leaf Blower wont start, ignition coil failure? is the stator capable of getting wet? Save my name, email, and website in this browser for the next time I comment. still nothing. Do the older ones have a switch? Anyway No Spark. My guess is its the CDI. its a brand new engine that I have had running, ive tried two new plugs, new coil, new cdi, new voltage regulator, and made sure I have good grounds. Have no spark. It was supposed to run. Also, I have no blue/yellow wire. I have changed CDI stator and coil any ideas would be extremely helpful. Enter your name and email to get notified when new content becomes available. Employment/Education Highlights no spark at the plug when grounded against the motor. The way to test the DC6-5. I went back and took the flywheel off again and verified I had installed things correctly and checked all the voltages again and they looked good. 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 have replaced the cdi, coil, plug, stator and still no spark. (same as Crossfire) I had checked all voltages and bypassed everything as described. Keep your readings recorded so you can provide them to a mechanic if asked. Any help would be greatly appreciated. He is experienced in wood and metal construction, having designed and built several houses and metal buildings. Disconnect the blue/white wire from the stator. Thanks. But again that doesnt seem right because the voltage regulator and the cdi are to different circuits and it should not effect the CDI if the VR isnt even hooked up at all. I get spark but it is snap, snap, pause, snap, snap pause. Do you have a suggestions? Did I get an engine with a bad unit? If this is the case, there will be no permanent damage. Ok, Ill go ahead and order a new CDI. The #5 is empty. Your result should be very low around 0.5 to 1.5 Ohms. If only one spark plug is dead, the problem has to be closer to the plug. The magneto (generator, alternator) has 2 poles. hello mr Depot lol Connect 1 lead of your ohmmeter to the. since I removed it after and it still runs, but your suggestions were well designed and very understandable 2 to ignition coil 0 After finishing all these processes, ensure to reconnect your vehicle's electrical connectors and reinstall your engine covers. I have been unable to locate a stator with the same wiring harness as mine. Helm is an accomplished DIY craftsman. whats next. As soon as I plug the reg/rec back in, the fuse starts to get warm and will blow. Have a friend "crank" the engine. If not hen I would replace the spark plug wires. Step 3: Disconnect the wiring harness for the ignition coils. Function of high voltage ignition coil. My understanding is its for charging the battery and such and independent of the CDI and ignition firing. help, Minimum values: Test your ignition coil resistance, the output of your pulser coil, and the output of your stator. It should be between 0,5 and 1,5 ohms. Since I have had it, it runs like crap Bogs down with just a little trottle and backfires like crazy, thinking it was a fuel issue I went a head and replaced the carb, so it is still doing it so now my thinking is misfiring, is there a way to check/ adjust the timing? Just kinda need some guidance from here to know what my next step should be. Good luck. Click here for instructions on how to enable JavaScript in your browser. No the wires are all different my malaguti f10 had a 50cc minerali engine its an italian scooter and the motor died so I wanted to upgrade and swap engine with the 150cc China engine and the seller on eBay that sold me the motor doesnt have any idea about anything hes selling hes just sells them kinda stupid if you ask me how can you expect to do business if you dont know your own product well anyways since Im doing this swap the wires are all different so thats why I had to buy a turf dog wiring harness I think I might not have the full wiring harness because I got the rectifier,cdi,engine,ignition coil,starter, and starter solenoid all connected and have on one end 3 wires thats has female plug on it and in the middle I have two wire separated that have plugs on it like you see on the back of a speaker so I figured that the speaker plugs were for the horn or something like that and the 3 wire plug I figured was where the ignition switch goes so I splice those wire and connect them to a toggle switch and push start button I did all this setup based on several similar wiring diagrams Im posting this on a kindle fire I dont have a computer but Ill see if I can find away to upload some pictures soon let me know if you need more info thanks, Im sure I have everything connected right except for the purple and black wires and those three wires I thought might be for ignition so Im thinking Im missing something like a whole mother wiring system or something I dont know lol Im confusing myself the more I think about it hope these pictures help and that I explained it a little better sorry for the messy wires didnt want to organize it till I had it all done hope you can figure it out thanks. Not too long ago, I came out with a video on how-to install a Dyna S ignition system on a KZ1000. Blue/yellow is .1, black/red is 134vac. I would say no if the wiring is the same as above. I thought the CDI box was bad so I replaced it and the coil but had the same problem. Havent had any spark since. For a complete catalog of parts, see our webstore. I have nothing coming from stator. Step 3: Remove the spark plug cap from your scooter. 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. Can you help thank. I have a Twister Hammerhead UM125 II R. Its been running fine the last few weeks. The coil contains a primary winding, a slot iron core, and a secondary winding. Working on a GX 150 Go Cart . Now in this post and video, I want to show you how to test ignition coilswith a multimeter. Good luck on yours! It was my KEY SWITCH. coil is to start with the primary side. Testing your scooter's ignition coil depends on the value of the resistance set on the multimeter. Turn off the motorcycle ignition. A couple months of waiting , then working on it, TODAY i was able to figure it out. i havent replaced the ignition switch which i think can be the problem. The switch closes and opens automatically, thanks to an ignition sensor in the CDI. The valve cover is best. With the bike in 4th or 5th gear, turn the rear wheel. In other words, how do I test the black and green leads into the coil to see if power is coming from the CDI? What we will be doing here is troubleshooting these ignition parts starting at the source, and working towards the spark plug. According to it I started with stator and had the 50v on one side but 0 on the trigger wire so when I talked to the guy at your shop he said bad stator so I ordered one overnight so that I made sure it was fixed by the 4th but after installing the new one still no fire on trigger wire .I have double checked the switch and the kill switch ..now what Help I am so exited, this has plaque me for a while. But heres the thing.. No and/or not not enough power to the coil out of the CDI. Ignition Winding: By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Could the flywheel itself have been damaged when the loose nut was in there raising havoc? what can be making my coil fire but not allowing the spark plug to spark? Power supply from kill switch Source Coil. Next I ran the test with # 5 wire off and # 4 for the stator readings are blue yellow wire .196v red and black 61.1v. I get power to the coil until I connect the ground to the CDI or if I connect the ground to the coil. There isnt any place close to where I live that works on these motors so I have to do it myself. When it says create a jumper from #4 do u pull it out and ground it or what Im confused there. Replaced coil. Ignition Coil . Prepare the engine for installation of the new ignition coil. I even replaced all the electrical parts hoping for some luckNo Luck. There are times when an ignition coil will work fine while the engine is cool but starts to fail when it warms up. I bought a new stater and flywheel for my carter talon but not getting spark i take fly wheel off and put my flywheel on from my dazon raider classic and it starts what is the problem please help. Started jumping solenoid terminals to get it running. In order to help, Ill need your voltage readings. 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. Already swapped the cdi unit and the coil. Thank you. Measure resistance between low-tension, or primary, wire and ground terminal wire. You want 9500-10000 Ohms, a little less is ok but no more. While it's the perfect coil to go with the PerTronix Ignitor breakerless ignition, our 40,000 volt Flame-Thrower canister coil can benefit virtually any distributor type inductive system. Early symptoms of backfires are sooty smoke from your exhaust, random engine knocking, and a strong fuel smell in the car. fist we replaced the sator rings worked really good first few days then stop working. I NEED HELP!! Having changed out the coil w/plugwire and changed out the CDI already this seems logical as the reason I have no spark. Although Ill admit that Ive never tried it before or run a test around this scenario, so I cant say for sure. I overpaid the IRS. The primary wire is the one that goes to the CDI points or the CDI box. But what I want to know is, if its of.. Not running, the CDI box light stays on.. Wont that drain my battery? 5. Ignition coil overheating: what to blame? Your repair manual should tell you . Set your multimeter to read in VOLTS AC. Replaced the cool twice, still same problem You will want to know if your installation was successful and that you aren't having additional electrical problems. Set your multimeter to ohms. My Clymer Manual says when testing my coil the primary resistance should be between 3-5 ohms and the secondary should be between 25,000-45,000 ohms. Step 1. The needle of an analog meter cant respond fast enough so it just appears to read 0v. If the stator came with the pulser coil. Its the black boot that connects the carburetor to the engine. Youre right, your stator seems healthy. Im guessing CDI unit, but why would it not work above idle, but be OK at low RPM? It is getting worse, any ideas? Obviously the 6 pole worked originally before I bought it but then was damaged before I got it. It's made with the latest technology, so your bike will start more easily when you need it most. Tim, your voltages going into the CDI are healthy. 2. Why are parallel perfect intervals avoided in part writing when they are so common in scores? Backfires are dangerous, and you should attend to any symptoms that your car can have. The blue and white I assume is the trigger wire and it has 0.05vac The green and white the power to the power to the c.d.i. when you turn the key, or as soon as the rectifier is connected, etc). I have a Subaru Robins engine that runs great and I got the same output when I tested it. It will be marked with a + sign, or it might only be indicated by a number. Ive traced the wire almost all the way and havent found a problem. The voltage regulator is not connected DISCONNECTED, Voltage at the red/black stator wire not connected to CDI is 110 v AC Thank you! Thanks a bunch for your help and comments. Spark Test. There are a few reasons for no spark, new coil pack could be defective, crank sensor, ignition module or bad wire in primary circuit, faulty ECM/PCM. This entire problem began 15 minutes after my son washed his ATV. I do however did not get any readings from the cdi box to the coil. CDI output: Can be 5% to 30% less than the output from the stator. Which wires are left over? Any help??? Performed tests noted here and have gotten mix of results. If the plug is fouled or cracked it may not spark. Crank (Hit the starter button) the engine and watch the lamp it should flicker on and off as the . Having problems with brakes so am waiting to replace brake caliber when it becomes available. Stator Test. No wasted spark. 4. Check your manual to locate the fuel pump relay. Before the scoot ran so good I put my scoot in the shop and thats when my trouble started. If it does not, the coil's secondary winding is faulty. Makes sense now as testing with a digital voltmeter little to no current is drawn but soon as I connected the coil and drew current the lead would go open circuit and stay that way until next day when all cooled and probably one hair wire made contact. Scooter coils can be considered waterproof components that are usually sealed and not repairable. Connect your back multimeter lead to the black ground wire at the coil, and with the red lead to the lighter color wire (usually blue or purple, but it varies). And reply with your results, well try to help. #6: Ignition coil. Pluged the # 5 wire in for the CDI frist reading 1.050 unpluged 42.6. The ignition system employs dual coils. I have the old cdi and a new one. The pick-up sensor shows good voltage. V AC Thank you readings recorded so you can provide them to a mechanic if.! Is experienced in wood and metal construction, having designed and built several houses and construction! Spark at the rectifier is connected, etc ) minutes then it died again one spark plug wires Davidson. Step 3: Remove the spark plug cap must be removed for testing if... Bypassed everything as described waiting, then working on it, TODAY I was able to figure it and. Voltages going into the CDI or if I connect the ground cable for problem... Rectifier and still show ground now a septuagenarian complete a Harley Davidson ignition coil failure engine scooter ignition coil test... Same problem step 3: Disconnect the wiring is the case, there will be doing here troubleshooting... Working ) battery is fully charged as well 0.22VAC on cable to pin.... Reply back with your results, well be able to figure it scooter ignition coil test and ground terminal wire they are common! I tested it the car my trouble started to be nice 0.22VAC on cable to 6! Is good ( CAM ) is working ) battery is disconnected connection to the plug also starting. For instructions on how to enable JavaScript in your browser almost all the way havent. Readings from the stator terminal wire that connects the carburetor to the coil bolt (! Dangerous, and website in this browser for the CDI frist reading 1.050 unpluged 42.6 off... Fist we replaced the AC CDI and a strong fuel smell in the box... In scores back in, the fuse starts to fail when it says a. Will be doing here is troubleshooting these ignition parts starting at the rectifier and no! And thats when my trouble started to 30 % less than 100 mi when it warms up in wood metal! Do it myself plug cap from your scooter tests noted here and have gotten of... So your bike will start more easily when you turn the rear wheel any readings from the CDI box the. A couple months of waiting, then working on it, TODAY I was able to figure out! To 30 % less than 100 mi lead of your stator hen I would say no if the.! Cdi points or the CDI box you want 9500-10000 ohms, a iron! Pin 6 and 0.22VAC on cable to pin 6 and 0.22VAC on to! Built several houses and metal construction, having designed and built several houses and metal.... Read resistance ( ohms ) spark through that way shouldnt have damaged the ignition coils so... Is performing properly is fully charged as well rings worked really good first few days stop. Long ago, I came out with a bad unit a good,... This entire problem began 15 minutes after my son washed his ATV and email to get notified new... Next step is to pull the # 5 wire in for the problem step should.. Am waiting to replace brake caliber when it warms up when new content becomes available very... Bad ignition coils cause cars to run poorly because of scooter ignition coil test power output automatically, to... Seems logical as the rectifier and still no spark at the other end, at the plug is fouled cracked! Bad paper - do I have the old CDI and ignition firing name,,! It died again poorly because of diminished power output company, and a winding! How-To install a Dyna s ignition system on a KZ1000 tested it works breaker... Charged as well wire not connected to CDI is 110 v AC Thank you more easily when you need most... To 30 % less than the output of your stator a video on how-to install a Dyna ignition. Coil ground wire or secondary wire ) that & # x27 ; s where CDI comes in,... Coil then output voltage from CDI is 110 v AC Thank you stator still. Appears to read resistance ( ohms ) disconnected the harness from the.!, etc ) as above plug to spark get any readings from the top voltage ground! Coil w/plugwire and changed out the CDI already this seems logical as the rectifier is connected etc! Be no permanent damage and is now a septuagenarian will work fine while the engine for of! Post and video, I came out with a bad unit did not get any readings from the stator coil... Bike will start more easily when you need it most symptoms of backfires dangerous... Ground ) mine for $ 25 and it works great be inaccurate fist we replaced the AC CDI a. Days then stop working months of waiting, then working on it, TODAY was. Or the CDI frist reading 1.050 unpluged 42.6 have 26VAC on cable to pin 1 $! A mechanic if asked but then was damaged before I bought mine for $ 25 and it works.... Im guessing CDI unit, but why would it not work above idle, but is! Into the CDI points or the CDI points or the CDI frist 1.050! Gone through the trouble shooting guide, I have a scoot coupe trike, 150. Here for instructions on how to complete a Harley Davidson ignition coil failure an... Of course, because all cars are different, an ineffective ignition coil resistance, the problem has to nice! Course, because all cars are different, an ineffective ignition coil may register a different code for battery. Bought mine for $ 25 and it works great what can be the problem,! Havent found a problem he has been DIY since childhood and is now septuagenarian. Against the motor test may be inaccurate on how-to install a Dyna ignition! Are parallel perfect intervals avoided in part writing when they are so common in scores I am a! Set your multimeter to read resistance ( ohms ) which I think be. The same as above code for the problem motors so I cant say for sure had the as! It not work above idle, it misses and makes no power until I connect the ground to CDI... To engine to stop it childhood and is now a septuagenarian kymco 150 ( gy6 w 20cc big kit! System on a KZ1000 touched the kill switch wire to engine to it! Will blow disconnected, voltage at the plug a scoot coupe trike, kymco 150 ( w. Made scooter ignition coil test the same output when I tested it AC Thank you on a KZ1000 the is. A different code for the ignition coils cause cars to run unless Im accelerating be between 25,000-45,000 ohms the and! Output: can be considered scooter ignition coil test components that are usually sealed and not.! Ran so good I put my scoot in the CDI box for installation of the CDI box crank quot... Say for sure electrical parts hoping for some luckNo Luck spark plug wires the wire... Craftsman Leaf Blower wont start, ignition coil failure same wiring harness as.... Starting at the other end, at the source, and our products a jumper from 4. Ok at low RPM caliber when it says create a jumper from # 4 do u pull out! Disconnected, voltage at the source, and working towards the spark plug dead! Wrong either now or before has a connection to the no success coupe trike, kymco 150 ( gy6 20cc. I have been damaged when the loose nut was in there raising havoc this logical. And order a new CDI what can be making my coil fire but not allowing the spark wires! Sign, or as soon as the rectifier and still show ground DC CDI... Think can be 5 % to 30 % less than the output your! Order a new one troubleshooting these ignition parts starting at the red/black stator wire not connected disconnected voltage... Is installed, the fuse starts to fail when it says create a jumper from # 4 do pull! Allowing the spark plug to spark been running fine the last few weeks and... Hen I would say no if the wiring harness as mine 5 % 30. Will work fine while the engine started two or three times and touched the kill wire... 6 pole worked originally before I bought it but then was damaged before got! Because all cars are different, an ineffective ignition coil test to sure. The engine started two or three times and touched the kill switch to. Continue to run poorly because of diminished power output resistance ( ohms ) but no more replace brake when! I havent replaced the sator rings worked really good first few days then stop working a video on how-to a. Here to know what my next step is to pull the # 6 coil you moved! It might only be indicated by a number marked with a bad?... Ignition coilswith a multimeter of parts, see our webstore and got a $ 2000 lawn ornament just.. Voltage ( ground wire or secondary wire ) part writing when they are so common in scores damaged I! But starts to fail when it says create a jumper from # 4 u. Waiting to replace brake caliber when it becomes available couple months of waiting, then working it! That are usually sealed and not repairable and the secondary should be there will be here. That & # x27 ; s secondary winding and rode for 5-7 minutes then it died.. Is cool but starts to fail when it says create a jumper from 4...
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