wires disconnected from coil. Next I disconnect both connectors on the CDI box and measured on the connector Pin 1 (ignition Pulse) to ground and cranked the engine and I received .1 VAC. Use the guide above to gather your voltage readings at each step. In order to post comments, please make sure JavaScript and Cookies are enabled, and reload the page. replaced the AC CDI and rode for 5-7 minutes then it died again. The fuse blowing problem is most likely related to the regulator rectifier and also likely a separate issue from what is preventing spark. Thanks, Terry. Or a BS short somewhere ? Hola Terry. Ground Black is neutral, green is input from the CDI. All good at this point, connect the coil no spark and no voltage to coil. After removing the pin, use your multimeter in the #5 connector socket to make sure there is *not* continuity to ground. Share ideas. Before beginning to troubleshoot ignition problems, it is best to bypass the switches. Thanks, J. Roden. 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. I know they mentioned the kill switch and mine was fine. Read the comment above yours about how the trigger wire/circuit works. So this means CDI is bad right? you may have a fuse blown somewhere, With out voltage your CDI it want have any output. Make sure your brake and clutch are being held down – sometimes this can block a spark/start. Cut back the wire, new connectors all wiring re connected runs like a beauty. There is an AC type and DC type CDI. It is now up and running & she is able to drive it to the barn again! when you push the rubber boot cap on to the plug you can hear and feel the threaded part as it pushes the threads past the wire. 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. I have a hammerhead gt 150 with new coil, cdi,and when it cranks the coil fires briefly then quits sparking unless i wiggle key back and forth and starts sparking a little again. I ask because if your battery is low, you are going to have low starting RPMs, which in turn produces low stator voltage. No spark I replace the coil cdi and stator with no difference. Junior 150 (UM125IIR) Gran Turismo 150 / GT 150; Standard 150 (UM150IIR) Super Sport 150 / SS 150 (ES150IIR) GTS 150 (Push Button Start) 250cc. – Red/Back to Pin #6. tried to start by shorting the solenoid yes it goes, started to re connect things it stops soon as I move the loom. HELP! But I’d be sure to replace the stator at the same time. 24.0 v. Have no spark wiring burned up before no spark,test everything with other parts,but still no spark.What could be wrong with it? I have five wires coming from the engine three yellow one blue and white and one green and white. The engine would turn over, and occasionally, it would start for a few seconds before dying. I have checked grounds and they SEEM good (any failsafe way to check these?). I am getting no power from either. have you tested it? That will give me the information I need to be able to help. When bypassing your switches, were you sure to remove pin #5 from the CDI connector? So assumed this is at least enough to get spark, if not run lights.. Stator replaced and spins. I get spark but it is snap, snap, pause, snap, snap pause. My name is Randy and I need help. I have blue/white or solid yellow. 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. I just don’t won’t to do anything to burn wires or hurt the scooter. Power supply from kill switch Re checked the wiring which had not been altered from when it did run to find the earth wire was on pin 3 instead of pin 4 so change this. When I plug up the battery it automatically tries to start but won’t I don’t know why this is please help, I’ve been working on my atv since last night and I’ve pretty much taken all the electrical wiring Cdi the battery all apart and put it back together and the same thing when I connect the two ends on the starter solenoid it attempts to start but does not someone help, I followed your troble shoot guide for the no spark problem. Thanks to this guide I found out the Stator was not producing a correct voltage so I ended up replacing the CDI, Coil/Plug wire , spark plug and the Stator. Yes, you should switch it, on the supply voltage pin, you should run a switch to the cab of your Kart, so you can turn the ignition on and off. I have power into the CDI (~85 VAC) and I have tested the coil but no spark. – Ground to pin #4 I did a continuity beep test at this green wire in the on and crank position It has continuity to ground. If your talking about pins on the CDI you may be using the wrong type CDI. Gone through the trouble shooting guide, I have 26VAC on cable to pin 6 and 0.22VAC on cable to pin 1. A couple month’s of waiting , then working on it, TODAY i was able to figure it out. I unbolted the module from the engine block and there’s continuity between the wire and the module base. I’m lost now don’t know what else to try. If not, reply back here and I’ll help work out which version you have. In nearly every case of a bad ignition part, spark is just gone or intermittent (but still in time). I have replaced everything and did the steps offered still no go. But with it disconnected from the CDI it doesn’t matter anyway right? Some late 00’s models came with DC CDIs which pull from the battery and regulator and might be part of the issue. Trigger 0.1 VAC Don’t forget to ground back the pickup coil to the frame. I am a Polaris technician so there isn’t anything new on these carts, but I can’t find a reason for no spark. I rotated the flywheel bump past the module coil and it still has continuity to engine ground. i havent replaced the ignition switch which i think can be the problem. Just don’t have power at switch. I was wondering when the key switch is turned to on possition if the choke (bystater) motor on the carberator should activate? I ran grounds from the battery to the frame and motor using nice heavy wire. https://www.buggydepot.com/tech-center/dazon-raider-classic-wiring-diagram/, I have a kasea engine go kart I bought. You should see around 13vDC at the battery while the engine is not running. Hey Dan, Leo St. George. pin 1. input from trigger .01 Again I guess this points to the CDI. 4. If so, I agree that it sounds like the CDI is bad. That will resolve any grounding issues. maybe the key switch is bad. Hi Ryan, Hammerhead twister 150. I put the coil ground to the engine frame. Hi, I just brought home a GY6 powered scooter (velocity mp150-7) with an ignition problem (no spark). Please consider supporting this article and our efforts to provide the best technical support to the GY6 community. Although your 300cc engine isn’t the same as the engine that this guide is intended for, the steps should generally be the same (but not the pinouts). The starter clutch and flywheel do though. Place the black lead of multimeter on a metal surface of the engine while using the red lead on the tips of the wires. if that’s the case its working perfectly . The switch is fine. 3. it does try to start for a couple seconds. A simple type of crankshaft position sensor. I have what I believe is a Hammerhead 150 with F/R and twin chain. I don’t think my enricher is working the scoot is bogging and popping through the carb. I may order another CDI just to test the possibility that I damaged it somehow. The valve cover is best. I just got a 2008 mp150b scooter. Tried old coils tried old cdi’s ok on voltage tests until you connect a coil then output voltage from cdi is lost. 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. It’s a little larger than the AC type.. Also taken the bowl off the carburetor and cleaned the jets out. New stator, cdi,coil,regulator. The three yellow have only 2vac coming from them. Trigger pickup: Correct the leads and replace the fuse and you should be good to go. The pin marked N/A will be the ground pin (or should be) if you have the DC fired CDI. I bought a 1p57qmj 150cc engine New on eBay and installed it on a malaguti jet f10 I got everything together mounted and fuel lines and such likes that and then I got down to starting the wiring and im having alot of trouble figuring out what’s what I bought a wiring hardness for a yurf dog for the engine and was hoping to modify it to the malaguti wiring and the rectifier that came with the new engine is a 5 pin and does not fit the yurf dog wiring because it a 4 pin setup so I got that and put everything together and im down to 3 wires and I assume was for the ignition and put a toggle switch and push start set up on it but I’m not getting power to anthing except to the cdi from batterys so I’ve been trying to figure out how many poles my stator has the engine is a 1p57qmj I know it’s ac cdi just not sure what stator size I have a 6-8 or 11 is there a way to find out without taking the fly wheel apart I’ve tried looking up my engine stock stats on the web and I can’t find anything for my 1p57qmj engine also is there a simple way I can just have a basic wiring setup to just have the engine running with a toggle switch and push start button and not worry about lights horns instead just have two auxiliary lines so I later can worry about lights and so I just want to focus on getting the motor going any help please sorry for long letter thanks. Need help! ft home office of Hammerhead Off-Road ® is centrally located in Flower Mound, Texas (a suburb of DFW) where we stock all of our parts inventory and diverse … File:Hammerhead GTS 150 User Parts Manual.pdf. Looking for a diagram with the right colors like I have on the kinroad gy6 150cc having trouble getting the right colors into the right place on my ignition cdi controller my wires from the cdi magneto are red black 1 complete wire have blue yellow complete wire and a plain green wire and I have a red white wire from the coil can sme1 help me and I think it’s a dc ign cont. Actually, I can’t recall a single confirmed example of a confirmed problem with ignition timing over the years. 5.0 out of 5 stars 3. Minimum values: Trigger wire to CDI: .5v to .1v Depending on your stator type, you have either 6, 8, or 11 windings. I have a 2014 Chinese gy6 150 cc scooter. I have a Hammerhead GTS 150 that is a few months old. The ignition system should all plug in for your scooter without having to modify anything. Enter a new vehicle Price and other details may vary based on size and color. Have also checked fly wheel and stator, still won’t run.. William, have you taken a look at your intake inlet? I forgot to say : The kill wire is disconnected from the CDI , but when I check continuity to ground It rings with key on or off. Coil test .7 omi. They cut the coil wire from the wiring harness that go to the cdi, and ran them straight to the cdi. Trigger – I can’t get any readings. Ant suggestions ? Pluged the # 5 wire in for the CDI frist reading 1.050 unpluged 42.6. I even replaced all the electrical parts hoping for some luck…No Luck. – no spark at the plug when grounded against the motor. I did order a new harness and stator which I have not installed yet because there are definitely some loose items in the harness–I jiggled the loom around and the push button start is working again, for example. Ok so I bought a used hammerhead twister 150 was told it had a new motor and computer. 5. Alright I have a 10 cc scorpion and I only get fire when it first turns over and whenever I let go of the key.I’ve gotten a new cdi but could it still be the cdi? I’ve replaced the stator, coil, starter, starter solenoid , and CDi box, all I get is a buzzing sound when I try to start. Worked for a few starts. The majority of 150cc models wire the switch on the ground-side of the starter solenoid, so what you’re describing (seeing 12v there, and grounding the wire causes the starter to turn) is normal behavior. Open/nothing this is my stator readings black/red wire is 56.0 and blue/yellow start at 00.5 and not even a sec later it drops to 00.2 and holds. If you see any problems in the rubber it’s likely up for replacement. Notes: my yellow wire coming off the stator harness is grounded and gets hot when trying to start. If you’d like to send your rectifier in first I’d be glad to test it for you so you’ll know its condition before investing money in parts. It sounds like you have a DC fired CDI. Ive stripped most of the harness already and have found nothing out of the norm. all voltages check in range. Let me know what you get, that info should reveal if the switch is bad or not. – turns over easily It’s unlikely that the chatter indicates a bad starter relay, but it can go bad very quickly if the battery voltage issue isn’t corrected. Forget the kill switch, just cut power to the CDI. Make sure that pin 5 on the CDI is not grounded. Any ideas? 3. Tried it with the new CDI and the old CDI. Set your multimeter to read resistance (ohms). Although I’ll admit that I’ve never tried it before or run a test around this scenario, so I can’t say for sure. 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 I would say you need a new spark plug wire or your motor is not grounded to the Negitive post on the battery. does anyone know how i can test it? Solved my ground issue. it has great spark and runs fine with the key in the “Start” position or just slightly off the “On” position, but dies instantly if switched back to “On” position. the wires had rooted up the insulation not far from the connector of the trigger wire. power wire from stator has 30vAC and trigger wire has .1vAC. WE ARE WORTH THE DRIVE! Our mission is to provide quality products with a focus on reliability, safety and innovation. Since you have the red/black wire it’s near certain that it’s an AC setup. FREE Shipping. After it warms up it runs good so I have to keep holding my hand on the air tube that comes up from the air filter housing for it to warm up and then it’s fine after it warms up . Kill at ignition switch has been bypassed. by daeven » Wed Nov 02, 2011 10:38 am. F N R. I plan on getting a multi meter this weekend. From here on we’ll be focusing on this marked lead, and ignoring the power lead. Buggy continues to run once fuse is blown, but lights etc… no longer work. I get correct ac voltage at cdi power, trigger wire, and cdi output. But when I hook up the coil there is no longer Good luck. 2 to ignition coil 0 Not a fuel or carb issue–took it apart and was whistle clean–sprayed jets out with cleaner anyway. It’s the first time when i’ve seen your site. my 150 engine starts and idles fine but misses real bad when running at a higher RPM.i have had the carbrator replaced and it is tme same. 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. Leave the #4 wire in the connector. I have a 2005 hammerhead 150 gt sport and the problem is when it’s cold it won’t stay running unless I hold my hand on the air tube. 2021 Hammerhead Off-Road® GTS 150 , COME BY, CALL OR TEXT BREWER CYCLES TODAY! I need help plaease. • Fuse blows. I am getting nothing from CDI. 3. It won’t crank at switch But will jump start and kick start. but wanted to get some feedback if any of the steps are avoidable due to the symptoms. Hi Scott, I have just done the same thing, the same unit and it is wired the same way I bought a cdi and it must be the wrong one as it blowe’s fusses. Post your results and I’ll help you pinpoint the issue. Just like before: while cranking the engine, use a multimeter to check for voltage at the two primary wires of the ignition coil. If you have gas getting to the carb then check your spark. Be sure to also connect your toggle switch to the kill wire or you won’t be able to turn off the engine. A great how to for a quick look up. Have you removed pin #5 (Kill Line) from the CDI plug while testing? Try taking a look at the CDI power pin (#6). Are you using a digital multimeter or analog (with needle) to read voltage? Write the voltages down and continue to the next step. So, could I have a bad CDI? Ignition Winding: Frist I have replaced the following parts Be sure to check your ignition switch for continuity when rotating between the on and start positions. Ok we’ll I got this 150cc gy6 chinese atv and I’ve had it for a while it was running fine when I first got it then it wouldn’t start unless it was jumped . 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? What is wrong it ran fine until I jumped it with a car so I’m thinking I burned up something. When it cranks for few sec,the kill switch will kill it. I am working on a SunL GY6 150 cc dune buggy. On mine the power is red/black the trigger is not the yellow/blue but they are the only two “bullet” connectors. Cdi test at the coil has no voltage at all so that would suggest cdi is bad, correct? Ok, I’m ready for some help. Then it ran , after the swap I rode it a few times. Also tried cdi plugged up and kill switch jumped, no luck. We've got a great inventory ready to go just in time for Christmas. I need a bit more information to be able to help. Kevin. I start by shorting solenoid, ordered new cdi this will be my 4th, given up for the moment, got me beat. Did I get an engine with a bad unit? The Hammerhead R-150 is our light-duty, two-wheel drive utility vehicle that is ideal for cruising around the fields or doing maintenance around your property. I just got an asw fun kart 150cc that isn’t getting spark, I was told it was the coil so I bought one and still no spark. 4) Spark plug 4.6 out of 5 stars 6. 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. When I got the engine I floor tested it and I had to replace the pick up. the DC fired CDI takes it’s voltage from the battery (DC) instead of the stator pole for the CDI (A/C). Old Coil resistance same less than 1 ohm. I went out to start it today after having the battery on the trickle charger and when I turn the key in the ignition I get a buzzing sound. I have a Twister Hammerhead UM125 II R. It’s been running fine the last few weeks. Minimum values: If the plug is fouled or cracked it may not spark. Hi’ I just bought an upgraded AC CDI box for my 2012 Carter Talon GSR150R2 go kart. Plug in the stator, CDI, ignition coil, solenoid, and starter switch and you should be able to start the engine. I performed the tests as you outlined. The pins #3 and #4 are internally connected, so you should be fine with the ground in either one. Carburetor (24mm) compatible with Hammerhead GTS-150, KT, R-150, Rave, SS150 Super Sport go-kart engines. Hi I have a Yerf-dog rover and I’ve replaced the coil and CDI box and still have no spark.
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