Is that something that can be fixed with the CDI, or do I need a new ignition switch to get that to work? Worked for a few starts. Get a friend or assistant to turn the key in the vehicle's ignition. You should see around 4-6 ohms. If there is still no spark, the coil is likely bad. Set your multimeter to ohms. Secondary test without caps on - 15. With the ignition OFF, disconnect the spark plug wire from the coil, and remove the two smaller primary wires from the . I am reviewing a very bad paper - do I have to be nice? 2.99. Set your multimeter to measure resistance (Ohms) and select the 20k resistance range. If not, I can help identify it. Does Chain Lightning deal damage to its original target first? kill switch isent hooked up right or is fulting out. An ohmmeter, also known as a multimeter, sends out a very low powered electric charge through a wire to measure how much resistance there is to the charge; this is measured in ohms. I dont know if I should make this connection again with the new Voltage regulator or not. The main purpose of the high voltage ignition coil. 1.7 ohm Cdi test at the coil has no voltage at all so that would suggest cdi is bad, correct? I dont understand what a pin diagram is, where are you getting your voltage reading? 5.49. For this, we give you the details on the characteristics and the different types of scooter. Next I Measured from pin 6 to ground and cranked the engine I measured 55VAC. I start by shorting solenoid, ordered new cdi this will be my 4th, given up for the moment, got me beat. Another simple test you can do, regardless of the type of coil you're dealing with, is to check the voltage flowing with battery connected. it has 3 wires white, gree, and red. 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/. Any thoughts or comments would be greatly appreciated. Test results from each coil: Not stock brandless coils currently on bike -. I have continuity and power from the wire from the CDI (input from CDI: green male connector on coil) to the coil, but I dont know where the neutral wire comes from/runs to. 1. I am very uneducated when it comes to motors. The meter should read 6,000 to 15,000 ohms. Why are parallel perfect intervals avoided in part writing when they are so common in scores? Make sure that pin 5 on the CDI is not grounded. Im assuming the stator is done. any help ? However, it's mostly mopeds and small European bikes have these types. Ok so I bought a used hammerhead twister 150 was told it had a new motor and computer. Great site! Replaced cdi with 2nd new one, still same I have two CDIs and neither one read any voltage. you may have a fuse blown somewhere, With out voltage your CDI it want have any output. thanks for your help Crank (Hit the starter button) the engine and watch the lamp it should flicker on and off as the . 5. The 3-pin connector. Are there any other wires related to the ignition that could be preventing power out of the CDI? Check your manual to locate the fuel pump relay. Open/nothing I put the coil ground to the engine frame. The minimum we have seen working is around 18vAC. maybe I read your post wrong your not connecting the coil ground wire back to the cdi are you? A multimeter measures resistance by detecting a very low power electrical load and it is measured in ohms. Like my articles and How-To videos? It wont crank at switch But will jump start and kick start. Any suggestions? It works based on a trigger mechanism. Actually, I cant recall a single confirmed example of a confirmed problem with ignition timing over the years. Buggy cranked up. I cant get fire to the spark plug. 1. The magneto (generator, alternator) has 2 poles. also where is your ground coming from? What causes a motorcycle to lose spark? Old Coil resistance same less than 1 ohm. wires disconnected from coil. Continuity is normal through the pickup module. Im lost now dont know what else to try. Checked no fire to spark plug but has fire on wires going to coil. In what context did Garak (ST:DS9) speak of a lie between two truths? I have ac voltage going to coil until I connect the wire to the coil. As I just talked about testing motorcycle ignition coils, let's learn how to do it. The kill for the engine is by grounding #1 at ignition switch. Source Coil. Mar 22, 2016 #6. Stator output. pin 1. input from trigger .01 If only one spark plug is dead, the problem has to be closer to the plug. My guess is its the CDI. whats next. My understanding is its for charging the battery and such and independent of the CDI and ignition firing. If I replace the CDI it runs for about 7-10 minutes. Your repair manual should tell you . I have a yerf dog rover no spark both front and rear harnesses are new new cdi yes its a dc one ne rectifier new coil new 8 pole stator and flywheel and key switch so all electrical is new still no spark. The three yellow have only 2vac coming from them. $13.40 shipping. Sometimes the cap itself can add extra resistance to the results. I performed the tests as you outlined. Its a little larger than the AC type.. Tried it with the new CDI and the old CDI. I eventually figured out the problem was a bad stator, I changed the stator and left the wires how they was and got spark. I unbolted the module from the engine block and theres continuity between the wire and the module base. This is a good site where people get help and help others. GY6 Swapping The Honda Ruckus: What To Expect From Your Swap, How to use an American-made BDX wiring harness on your 150cc Chinese engine, Stator (6th winding and trigger pickup module). 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. Its the first time when ive seen your site. Testing a motorcycle ignition coil is important especially when you install a new ignition switch. If it is faulty, you can either replace the coil or see a mechanic with the readings recorded. Im getting 75 volts from the stator but zero volts from the pickup module.I did find that Im getting continuity from the pickup wire to engine ground. Step 7: Reinstalling all ignition coils, after finishing replacing them as needed. This leads me to think it is a problem with the neutral but I dont know how to confirm. CDI output: Can be 5% to 30% less than the output from the stator. wires disconnected from coil. 56. Motorcycle battery that cannot be recharged, what to do? Stator checks CDI power appears to be okay. Appreciate any help, way too many hours invested in this job. I am working on a SunL GY6 150 cc dune buggy. 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. Motor Vehicle Maintenance & Repair Stack Exchange is a question and answer site for mechanics and DIY enthusiast owners of cars, trucks, and motorcycles. And replaced ALL the pin connectors . This is a brand new out of the crate engine. Thanks Bobby. Have a friend "crank" the engine. when you turn the key, or as soon as the rectifier is connected, etc). turns over easily If not, take note of which engine code you had. I thought one side of coil should be grounded. it has drove me crazy and ready to scrap the dang thing. He is experienced in wood and metal construction, having designed and built several houses and metal buildings. I then added a additional ground wire from the frame to pin 3 still no voltage to the coil. Your email address will not be published. Well stick our CDI pinout diagram right here so youll have access to it for the steps below. Fresh gas. I may order another CDI just to test the possibility that I damaged it somehow. 2. By following the following steps, you can determine whether the ignition coil is faulty or not. I have a 150 cc diamo trace. i have a similar issue, i checked the 2 wires that plug into the back of the coil when cranking it and i get pulses from 13~18v When Im In NEUTRAL And Press The Brake Tail light Doesnt Light Up . I have a talon 125gx. Im concerned Ive missed something. Okay I am pulling my hair out now. It is not the end all test, but it will show if you have an open circuit. Can a rotating object accelerate by changing shape? Before beginning to troubleshoot ignition problems, it is best to bypass the switches. In this video we demonstrate how to test to see if your OEM coil needs replaced or if it's just time for a new battery or other electrical component causing the problem. Step 2: Locate the ignition coil, or coils, on your vehicle. Id say thats nothing to worry about unless you have two key ways 180 degrees apart on the crankshaft and stator but Ive never seen such. What should the voltage coming from the CDI to the coil be? Since you'll likely need to replace the spark plugs anyway, connect the suspected ignition coil to a new plug with new wiring. All you will need is a multimeter. The valve cover is best. Starter is New. 125cc atv. No spark. OBDEMOTO-100PRO Universal Motorcycle Scan Tool with ECU Remap Function Welcome to Shenzhen Zeus Technology Co., Ltd. Who we are?Shenzhen Zeus Technology Co., One can also refer to the manual to find the exact ranges of coil resistance. Performed tests noted here and have gotten mix of results. when I hook up voltage regulator or stator yellow and white wires the fuse blows. Retested the voltages yes back again with out put from cdi 30v, re connect coil no spark, voltage output lost. Thank you for your time and have a great day. Yes, if I just turn the key to the on position without starting, it will blow the fuse in 30-60 seconds. no spark at the plug when grounded against the motor. Gone through the trouble shooting guide, I have 26VAC on cable to pin 6 and 0.22VAC on cable to pin 1. Im thinking this means a switch, correct? When testing each component, each test can be performed in the same manner but there will be no left and right side of each (Ex. Any help would be greatly appreciated. Best Answer. I rode up in to the garage and shut it down. There are 4 major components that work together to produce spark, if any of these are defective spark will be lost. maybe the key switch is bad. I bought mine for $25 and it works great. CDI Connection Kit (Pigtail) Internally its really just a wire coiled around a magnet core, so there is very little resistance. Is ahelixfox go kart supposed to have fire even if ignition switch off to the regulator and cdi. Hi, I bought a new 150cc Roma motorcycle and til this day back lights been flickering off & on especially if you hit a small speed bump ,well I took it to the shop & supposly changed something I got charged for ? A simple type of crankshaft position sensor. So it sat in my garage for about two years and now it wont start. Nov 7, 2009. Learn how to complete a Harley Davidson ignition coil test to make sure your coil is performing properly. An ignition coil is a type of pulse transformer that multiplies the low voltage received from the battery or alternator to many thousands of volts when the breaker points open and close. Everything is working according to your flow chart, (thank you btw), Primary Test - 4.5 ohms. Followed the steps above (including bypassing switches) and got these results: Stator to CDI input: 68v to 71v BTW before the swap it ran fine. My Reg/rec is the older style with the 4 port plug and my buggy is early 2000s. But Id be sure to replace the stator at the same time. Set your multimeter to read resistance (ohms). Didnt mess with the auto choke since it starts and runs, just not very well above idle. Got a hammerhead twister gt 150cc. Question does the Voltage regulator have to be connected? First you test the primary coil by touching the leads (2 wires with points on the ends that come off the ohmmeter) to . I was able to jumper the Green to the black on the key switch by screwing them on to the I terminal. There is an AC type and DC type CDI. 3 0 volts I have a Twister Hammerhead UM125 II R. Its been running fine the last few weeks. CDI not producing under load ? Traced the wires and did find minor greenish corrosion on the ground connection to the kill switch on the handlebar. I rotated the flywheel bump past the module coil and it still has continuity to engine ground. There should be between 20vAC ~ 100vAC coming from the CDI power wire (Black/Red), although much lower voltages will still be able to produce spark. my dad has a cater talon 150cc dune buggy that has bad wiring. Voltage at the Blue/White stator wire not connected to CDI is 300 mv The coil reading was .003 VAC. CDI Ouput: 0.0v to 2.3v. The reason this is the case is because the trigger wire sends a burst of voltage once per RPM that is only 10ms in duration (10 one-thousandths of a second). 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). Ok, Im ready for some help. Click here for instructions on how to enable JavaScript in your browser. The needle of an analog meter cant respond fast enough so it just appears to read 0v. Working on a GX 150 Go Cart . This will let you know if the installation was successful and if there are any other issues or questions associated with it. So where did I go wrong either now or before ? Replaced coil, cdi and stator. If the ignition coil was indeed faulty, you will now see an engine code for "Misfire - Cylinder 6," as the defective coil from #3 was moved to #6. The transformer typically has only a dozen or so turns on the primary but many thousands on the secondary. Compression System. Could my ignition switch be bad? Was all working fine when I got it then the starter clutch destroyed itself. Please and thank you, If spark and compression are good, itll most likely be a carburetion issue. Leo St. George. As well the coil has 30k ohm resistance end to end and the spark plug has 80ish k ohms negative to positive and 0ohm negative to negative. They do make harness kits. 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. I should have mentioned in my first reply: If your GTS150 has the Forward/Reverse transmission (no neutral), it will have the standard AC system. If you need a more complete wiring diagram, our diagram for the Dazon 150 Classic would more closely match your Kinroad: Is it supposed to maintain voltage? Real polynomials that go to infinity in all directions: how fast do they grow? Your car's ignition coils might be connected to the spark plugs directly. 4 0 volts so i replaced the coil with a stock one thinking that was the issue, nogo. You may not need a new switch, often times the switch is good, just not getting power due to a faulty connection or fuse blown. Help please. The starter relay (solenoid) chattering or hammering is an issue usually caused by low battery voltage. Can I ask for a refund or credit next year? You will want to know if your installation was successful and that you aren't having additional electrical problems. Enhance the overall performance of your motorcycle.. At times, it becomes quite challenging to root out the Harley bad coil symptoms within due time.. Install the plastic cover over the coils, mount the fuel tank and tighten the mounting bolts. I NEED HELP!! The tab is the ground side of the module. the DC fired CDI takes its voltage from the battery (DC) instead of the stator pole for the CDI (A/C). New Coil resistance very low less than 1 ohm Its sounds like its got lots of spin and the fuel is getting therebut no combustion. it makes a clicking sound. Use the guide above to gather your voltage readings at each step. When I apply the brakes so I can start it, it will act like it loses all its charge and the push button start and the digital dash will lose its lights like its dead but when I let off the break the lights will light back up on the start button and dash. I also think it is a shorted Regulator. If none has spark, the whole ignition system is not getting power. When looking for a new Ignition coil Rocky Mountain ATV/MC has got you covered. Step 1: Check if the battery is fully charged. Compruebo que los colores de los cables en el regulador de voltaje son los mismos y si no lo son cambialos de lugar hasta que lo sean. 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 . Hopefully replacements are still available but finding something else that should fit should still be possible. 2) CDI Its weird how them things are wired but I changed the stator and got spark. My question is how many spark plugs do i need to order to replace all of the ones that came stock in the motor? Between the design of the CDI and pickup module, we dont see many timing issues with the GY6 setup. I am a Polaris technician so there isnt anything new on these carts, but I cant find a reason for no spark. 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. Solved my ground issue. Replace any faulty coil after testing all the ignition coils. Which wires are left over? i havent replaced the ignition switch which i think can be the problem. If the problem persists, let us know. There isnt any place close to where I live that works on these motors so I have to do it myself. It is appreciated. It's made with the latest technology, so your bike will start more easily when you need it most. Check for continuity along your ignition switch to confirm this. 3. SOMEONE CAN HELP ME? 2. or faulty relay. The frame of the coil will be connected to the battery ground as well as the body of the spark plug. Any recommendations? Let me know which trans you have and well go from there. Swapped back in old parts, still no change. I have checked grounds and they SEEM good (any failsafe way to check these?). Stator is putting out 17 VAC It goes to your #1 pin on the CDI. Thanks, J. Roden. Fitted a new clutch, engines turn fine now but wouldnt start. 3. Professional Petrol Engine Compression Tester Kit Fuel Cylinder Pressure Gauge Tool Set for Automotive Motorcycles. Your scooter's spark plug cap must be removed for testing, if not removed your test may be inaccurate. 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The samething that pops up on this website for sale as a spark Kit... The rectifier is connected, etc ) in my garage for about 7-10 minutes pops up on this website sale... Youll have access to it for the CDI it want have any output turns over easily not... I terminal likely be a carburetion issue 150 cc dune buggy scooter spark... Well above idle a refund or credit next year avoided in part writing when they are so in! I bought a used hammerhead twister 150 was told it had a new clutch, engines turn fine but... Is 300 mv the coil runs for about 7-10 minutes CDI its how!