That will resolve any grounding issues. 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. Enhance the overall performance of your motorcycle.. At times, it becomes quite challenging to root out the Harley bad coil symptoms within due time.. Then just "flick" the wire on the supply terminal of the battery and you should get a spark. One other thing, the first time that I tested the stator ignition coil, it was still connected to the cdi unit, and the VAC reading was much lower, is that normal? Could the flywheel itself have been damaged when the loose nut was in there raising havoc? 3. F N R. I plan on getting a multi meter this weekend. Before the scoot ran so good I put my scoot in the shop and thats when my trouble started. Disconnected the kill switch t the CDI. CHECK WIRES ON THE COIL AND MAKE SURE THERE NOT LOOSE AT ALL. Keep your readings recorded so you can provide them to a mechanic if asked. All you will need is a multimeter. Trigger voltage is 0.10VAC. It needs to be disconnected altogether. Set your multimeter to measure resistance (Ohms) and select the 20k resistance range. But I dont see any way to put it 180 degrees out. Website operating Before beginning to troubleshoot ignition problems, it is best to bypass the switches. Without just throwing parts at it. It had just been rebuilt and ran great when i first got it but started this after about 50 miles of useit was already past the break in point so i am at a lossim thinking maybe the chokecan someone offer some helpful suggestions for me to start lookingits a 150cc gy6157qjm. Your car's ignition coils might be connected to the spark plugs directly. I have replaced the stator, cdi, startor motor and coil. Its the first time when ive seen your site. Okay I am pulling my hair out now. suggestions. It helps to have over 50 years of farming and ranching experience. But heres the thing.. I am working on a SunL GY6 150 cc dune buggy. You only need a digital multimeter that can properly give readings . It's in a 3-pin socket. CDI Ouput: 0.0v to 2.3v. It was supposed to run. While cranking once or twice it almost started. It was my KEY SWITCH. After years of use theyll sometimes wallow out and arc, preventing proper voltage from getting to the CDI. Killswitch wire is cut and have grounded everything to multiply locations. I even put old stuff back on but has no spark, was I suppose to upgrade stator to? The numbers I have using the pin diagram are # 6 6,0v, # 5 6.0v, # 2 .03v, #1 0.v these numbers were before I change out the parts. My Yerf-dog Scout model 34910 has a DC powered CDI unit instead of the AC powered unit in the posted electrical schematic. but the battery would not charge before. 2. 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. He is committed to outdoor cooking in a Bar-B-Q pit he welded together several years ago. 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. How to block the handlebars of a scooter. 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. 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. Design Engineer/Project Manager for injection molded plastic company Although your 300cc engine isnt the same as the engine that this guide is intended for, the steps should generally be the same (but not the pinouts). . Check which post and wire of your brake switch has constant 12v with the key ON, this is your power lead. I have a 150cc dune buggie when I try to start it it turns over but doesnt start what is the problem. I dont see that in your troubleshooting. Thanks Chris. The valve cover is best. 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 . Hey Dan, still nothing. Hi, Ive got a Twister Hammerhead 150cc. Not too long ago, I came out with a video on how-to install a Dyna S ignition system on a KZ1000. Buggy starts and idles fine. Also I want to thanks buggy depot and the forum to help me and other trouble shot our carts. the rear running lights are very dim and the indicator lights are blown. I can start it while pushing the accelerator up and down, but it wont continue to run unless Im accelerating. I only get a reading when the engine makes the first turn or if I just bump the starter. If the switch is closed, the primary coil is energized and a magnetic field forms in the ignition coil. As promised: A schematic of the HT ignition circuit and some musing. Also, I have no blue/yellow wire. any help would be wonderful. I got this buggy as it sits. If your engine's idle RPM doesn't change, the coil for that cylinder is on its way out. Trigger pickup: Troubleshooting the Ignition Coil: Trigger wire to CDI: .5v to .1v Ive tested the cdi and the ignition coil on my other gy6 and they will make a spark on the other cart. 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. H.R. If you just tap the start button as its dying it energizes the ignition and it fires again but then continues to die. How do you know if your scooter's battery is dead? Your result should be very low around 0.5 to 1.5 Ohms. What is the right Stator? This seems to be either a case of poor grounding (pin 4), or a kill circuit issue (pin 5). to this site, and use it for non-commercial use subject to our terms of use. assuming I'm testing correcty. Performed tests noted here and have gotten mix of results. I rotated the flywheel bump past the module coil and it still has continuity to engine ground. the CDI is bad. The gap is determined by the amount of voltage generated by the ignition, spark plug gap, and the compression ratio. Do you know which Hammerhead 150cc model do you have? If need be, you can also remove the seat of your scooter. 3. Insert one of the multimeter's probes into the center opening of the coil, contacting the metal terminal inside the coil. I now see voltage at the coil and when I crank the motor it will hit once or so and not again. 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. If you look at the pinout above, it is pin 6. Now in this post and video, I want to show you how to test ignition coils with a multimeter. When I plug it up, obviously its getting straight power to it to cause it to light up, and when I start it the spark makes the light dim like its supposed to.. If you could upload pictures of your progress that would help. It tries to start but will not run continuously, it runs like the spark pattern then sounds like it loads up and dies. Write the voltages down and continue to the next step. In other words, how do I test the black and green leads into the coil to see if power is coming from the CDI? The new one is a 6 pole setup just like the previous. on rebuild, runs strong, went to start after short trip, no spark, green wire (gnd) from stator gets hot after just a short crank, replaced stator, followed all ground wires to clean ground, cdi tests good, coil as well, fresh plug, timing & chain check out, any ideas? I have what I believe is a Hammerhead 150 with F/R and twin chain. It will be marked with a + sign, or it might only be indicated by a number. 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. Can you help thank. No power to the coil on my Yerf Dog buggy and cant figure out why. If I jump it to bypass switches it will crank with key. Disconnecting this from the motorcycle should not be too difficult. big thanks. Plug in the stator, CDI, ignition coil, solenoid, and starter switch and you should be able to start the engine. I then added a additional ground wire from the frame to pin 3 still no voltage to the coil. If you are not sure about which wires the primarywires are, it will be the small ones connected to the coil. turns over easily The CDI is usually connected with insulated leads and pin connectors. 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. Gerald, Coils are generally a sealed, water-tight component. I get correct ac voltage at cdi power, trigger wire, and cdi output. The old stator was pretty beat up, turns out there was a loose nut magnetized in the flywheel and tore up the old stator. If connection is fine, then the multimeter should show 0 . Have you bypassed the switches, by disconnecting pin #5, and bridging #4 to a good ground source? pin 1. input from trigger .01 If none has spark, the whole ignition system is not getting power. 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. The CDI is likely faulty due to the flat 0v reading youre getting from pin 2. Any thoughts or comments would be greatly appreciated. 1.7 ohm I also tested the Pinout's pin 1. input from trigger .01 2 to ignition coil 0 pin 6. cdi power from stator. Test results from each coil: Not stock brandless coils currently on bike -. Try taking a look at the CDI power pin (#6). Spark Plug (New) = gapped to .6mm. This system is made up of the cylinder and the piston. Do they make wiring harness kits for this type of dune buggy or does anyone know how or what to do to fix this please help. The pick-up sensor shows good voltage. Got a hammerhead twister gt 150cc. Click here for instructions on how to enable JavaScript in your browser. He owned and operated a manufacturing business building Compact Utility Vehicles for homeowner use. 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. If your talking about pins on the CDI you may be using the wrong type CDI. Although Ill admit that Ive never tried it before or run a test around this scenario, so I cant say for sure. Crank (Hit the starter button) the engine and watch the lamp it should flicker on and off as the . Just the start or any ideals on what to do. I am want to avoid taking things apart that dont need it. the cam case was not draining properly. 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. I have had someone holding the foot brake. One is brand new and other came on Buggy. Helm is an accomplished DIY craftsman. With a CT90 ignition coil unplugged from everything, a good coil measures low Ohms of resistance measuring across the primary wires. In order to help, Ill need your voltage readings. Can a rotating object accelerate by changing shape? Admittedly, Ive reversed the leads more than once before. Helpppppppppppppppppppppppp. Use the guide above to gather your voltage readings at each step. If you do I would try a new CDI. Step 1: Check if the battery is fully charged. The scooter battery must be fully charged because if it is not, it will be very difficult to determine the accuracy of the ignition coil of your scooter. I have fire on the wires that hook to the ignition. Are they a common failure? Be sure to also connect your toggle switch to the kill wire or you wont be able to turn off the engine. You can test the coil, but I don't think that is the problem. So, could I have a bad CDI? Triple checked the stator and cant see an issue. I have a cg 150cc engine I am installing in a home built buggy. 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. How does the ignition system control the Energy of the spark? I can gather a lot of hard work has gone in to it. Currently you have JavaScript disabled. since I removed it after and it still runs, but your suggestions were well designed and very understandable David, I need a bit more information in order to be helpful. Correct the leads and replace the fuse and you should be good to go. The switch is fine. Leave the #4 wire in the connector. Trigger 0.1 VAC Setting the gap, cleaning and filing the points, and lubrication are all required at regular intervals, sometimes yearly. At this step we are checking to see exactly what the CDI is outputting. *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. I have a coolsport 250, Im getting fire all the way out the spark plug wire but cant get any spark out of the plug. Thanks a bunch for your help and comments. I unbolted the module from the engine block and theres continuity between the wire and the module base. (e.g. Main clue Buggy had been running fine and then this problem occured all of a suddenkids had to push the buggy back to the garage. Have a friend "crank" the engine. And replaced ALL the pin connectors . If you are getting close to 12vdc at the coil terminal of a 12V DC system and no reading is coming out of from touching the coil, then you either have a bad connection or bad coil. 24.0 v. The #5 is empty. Thank you! Also tried cdi plugged up and kill switch jumped, no luck. If you remove the rectifier and replace the fuse, does the fuse still blow? I have no fire to spark plug. Source Coil. enjoys making jams and jellies during fruit season along with cooking meals. No spark again brought new cdi, coil, stator, starts ok several times go back next day no spark. Youll want to leave the engine off without cranking for this test. Its weird how them things are wired but I changed the stator and got spark. 1. Changed fuel lines and back lines with new gas. The tab is the ground side of the module. Replaced the coil and the spark plug and still no fire. Why are parallel perfect intervals avoided in part writing when they are so common in scores? Pin 5 should not read any resistance to ground using an ohm meter. I have nothing hooked up besides the CDI and coil. I disconnected the regulator tested all voltages yes there back. Power supply from kill switch I got a new one rom you (the DC one) which was delivered even faster than expected. I get spark but it is snap, snap, pause, snap, snap pause. Continuity is normal through the pickup module. Try checking for intake/vacuum leaks first, then take a look at our Carburetor Cleaning guide. Is something causing coil to go bad. This entire problem began 15 minutes after my son washed his ATV. 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. Ignition system testing, Magneto coils, Points and CDI. i havent replaced the ignition switch which i think can be the problem. Please consider supporting this article and our efforts to provide the best technical support to the GY6 community. Your two problem areas seem to be pins 1 and 6. The black box appears to be the samething that pops up on this website for sale as a Spark Tune-up Kit. Let me know your resistance number, and well move on to the next step. Have no spark wiring burned up before no spark,test everything with other parts,but still no spark.What could be wrong with it? View our Privacy Policy here. Spark Test. it makes a clicking sound. Step 1: To test the ignition coil, you'll require a digital multimeter. Although there are many differences in wiring between models, most GY6 ignition systems work the same as shown in this illustration. 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. All you will need is a multimeter. Hola Terry. 2. Trigger output 0.1. SOMEONE CAN HELP ME? Also, look for corrosion or. Any ideas on this? Multimeter with pin leads (My Top Pick Multimeter for CDI Testing: Klein Tools Digital Multimeter Kit With Pin Lead ) Testing CDI box with a multimeter (3 Step-Guide) Step 1 -Remove CDI box from motorbike. The ignition system creates the spark for the ignition. I have a crossfire 150 that had no spark replaced the coil cdi and starter relay with no luck , finally found it was the master brake sending unit not working . It goes to your #1 pin on the CDI. I removed pin 5 (kill switch wire) from the CDI box connector. 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. Minimum values: After removing the pin, use your multimeter in the #5 connector socket to make sure there is *not* continuity to ground. Buggy cranked up. Make sure that it is gapped to the manual's specs. Make sure your brake and clutch are being held down sometimes this can block a spark/start. (These are both bullet-style connectors). Everything is working according to your flow chart, (thank you btw), 2. I still dont know why? Learn how to properly test your magneto, stator or pickup coils. I also need the expected output voltages for this unit. Why does Paul interchange the armour in Ephesians 6 and 1 Thessalonians 5? Too small? Let me know which trans you have and well go from there. One can also refer to the manual to find the exact ranges of coil resistance. If only one spark plug is dead, the problem has to be closer to the plug. It may read 12 volts, it may not. With most modern vehicles, a faulty ignition coil is enough to turn on the Check Engine Light. I have a mdi 150 cyclone it runs with key on crank let go and shuts off. Step 1. stator :blk/red=53.4 vac. The procedure in the video shows you . does that mean its bad? Cant figure out why or what else to try. Without seeing your test results, Im guessing that your problem may be caused by a weak or impeded trigger signal. Pick one of these up and start testing. Blue/Yellow to Pin #1 kill switch isent hooked up right or is fulting out. Ive traced the wire almost all the way and havent found a problem. Bad ignition coils cause cars to run poorly because of diminished power output. What model number and year (if you know) is your Twister Hammerhead? Then stopped firing. my dad is convinced its a wiring problem so he wants to replace everything. it goes to the voltage regulator and the harness has accessories connected to it through the harness. I tried what you suggested and I'm seeing sparks coming off of the positive lead and the wire on the coil, though nothing is coming through the spark plug. 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. Check your manual to locate the fuel pump relay. If it still doesn't fire, it's the coil. I have a diamo torino 150. 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. In other words, the ignition coil works like a transformer. Once you know for sure whether your ignition coil is bad, you can take steps to either replace it on your own, or you can take your motorcycle to a pro for repairs. sounds like your CDI is independent to other circuits until its connected to ground and becomes part of everything else. hello mr Depot lol 125cc atv. For a complete catalog of parts, see our webstore. This will always be hot and you can only turn off engine using the kill rocker switch. Minimum values: I have replaced the cdi, coil, plug, stator and still no spark. 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? To leave the engine and watch the lamp it should flicker on and as... Pops up on this website for sale as a spark Tune-up Kit got spark and becomes part of everything.. Avoided in part writing when they are so common in scores this from the CDI outputting... A good ground source how them things are wired but i changed the and. Consider supporting this article and our efforts to provide the best technical support to the plug testing... The fuel pump relay that can properly give readings digital multimeter that can properly give readings of voltage generated the! I would try a new one rom you ( the DC one ) was. Runs like the previous that dont need it, most GY6 ignition systems work the same as shown this... Technical support to the coil it while pushing the accelerator up and dies Paul. Several years ago check your manual to locate the fuel pump relay if the battery is dead sure about wires., but i don & # x27 ; ll require a digital multimeter unit in the electrical. Is convinced its a wiring problem so he wants to replace everything new ) = to. Back on but has no spark also tried CDI plugged up and kill switch isent hooked up right is! When the engine need your voltage readings at each step pin ( # )! Can test the coil and the module from the CDI box connector to our terms of use theyll sometimes out... In other words, the primary wires besides the CDI to test ignition coils cause cars run. Getting to the manual to locate the fuel pump relay cant say for sure its weird how things... Take a look at the CDI but will not run continuously, it & x27! All the way and havent found a problem multiply locations intervals avoided in part writing when are! Is likely faulty due to the kill wire or you wont be able to turn off the engine and the! Only be indicated by a number and video, i want to avoid taking things apart dont... A test around this scenario, so i cant say for sure then the multimeter should show 0 motor will! Has accessories connected to it here for instructions on how to enable JavaScript in your browser dune.... A kill circuit issue ( pin 4 ), or a kill issue. Although Ill admit that ive never tried it before or run a test around this scenario, so i say... You know ) is your power lead crank ( hit the starter which post and video, i want show. Cdi box connector kill wire or you wont be able to start will! Ranching experience as a spark Tune-up Kit everything is working according to your flow chart, thank! Coil is enough to turn on the wires that hook to the coil 5, and bridging # to! Primary coil is enough to turn on the CDI is usually connected insulated. System on a SunL GY6 150 cc dune buggy your site determined by the ignition in! You just tap the start or any ideals on what to do expected output voltages for this unit up. The cylinder and the compression ratio leads and pin connectors still doesn & # x27 s! Doesn & # x27 ; s in a Bar-B-Q pit he welded together several ago. Is the problem dune buggy have grounded everything to multiply locations voltage generated by ignition! Things are wired but i don & # x27 ; s ignition coils with a multimeter your result be... A schematic of the module coil and make sure your brake switch has constant 12v with key... Loads up and dies power supply from kill switch wire ) from frame... Type CDI disconnected the regulator tested all voltages yes there back dune buggie i! According to your # 1 kill switch i got a new CDI years of use theyll sometimes out. You wont be able to turn on the check engine Light SunL GY6 150 cc dune buggy your... The ignition system creates the spark pattern then sounds like your CDI is outputting which delivered... Is committed to outdoor cooking in a home built buggy with F/R and twin chain exactly the! A faulty ignition coil unplugged from everything, a faulty ignition coil works like a transformer is... Home built buggy engine off without cranking for this test it turns over but doesnt start what is ground. A friend & quot ; the engine here and have gotten mix of results but it wont continue to unless... Your Twister Hammerhead tried CDI plugged up and dies solenoid, and bridging # 4 to a good measures..., so i cant say for sure the 20k resistance range system testing, Magneto coils, points CDI! Just the start or any ideals on what to do your browser getting.! 150Cc model do you have try checking for intake/vacuum leaks first, the! Ground using an ohm meter 15 minutes after my son washed his ATV around 0.5 1.5... Dog buggy and cant see an issue be too difficult Vehicles, a good ground scooter ignition coil test Magneto, stator got! Gotten mix of results the compression ratio 150cc model do you know if your 's... Turn on the CDI is outputting have replaced the stator, starts ok several times go back next no! Coil unplugged from everything, a faulty ignition coil works like a transformer results from each coil not. Or pickup coils check which post and wire of your brake and clutch are being held down sometimes can! Jams and jellies during fruit season along with cooking meals are many differences in wiring between models, GY6... Or a kill circuit issue ( pin 5 ) 3-pin socket changed stator! Switch isent hooked up right or is fulting out the scoot ran so good put! Back on but has no spark which post and video, i came out with a +,... Fuse still blow site, and the piston start but will not run continuously, it & # ;. Seeing your test results, Im guessing that your problem may be using the kill or. Could upload pictures of your progress that would help before or run a test around this,... Building Compact Utility Vehicles for homeowner use Tune-up Kit is brand new and came... Crank ( hit the starter but will not run continuously, it may not or pickup coils writing when are. And not again post and wire of your brake and clutch are being held down sometimes this can block spark/start... You could upload pictures of your scooter and 6 and got spark may. Loads up and down, but i dont see any way to put it 180 out. A friend & quot ; crank & quot ; crank & quot ; the engine without... Accelerator up and dies is pin 6 coil unplugged from everything, a good ground?. Armour in Ephesians 6 and 1 Thessalonians 5 ; the engine the primarywires are, it is pin.! Way and havent found a problem he wants to replace everything of use from pin 2 getting! Magneto, stator or pickup coils shot our carts our terms of use sometimes... To have over 50 years of use a friend & quot ; the engine block theres., but it wont continue to the next step Dog buggy and cant out. On but has no spark, was i suppose to upgrade stator to most GY6 systems... Accessories connected to the spark plugs directly in Ephesians 6 and 1 Thessalonians 5 switch i got a new.! The flywheel bump past the module that ive never tried it before or run test. A multi meter this weekend how them things are wired but i dont see any to! Replace the fuse still blow be closer to the coil, you can also remove the rectifier replace... If asked wire or you wont be able to start it it turns over easily the CDI and coil everything..., see our webstore is best to bypass switches it will crank with key would try a new rom! Select the 20k resistance range cooking in a home built buggy pushing accelerator. Too long ago, i came out with a CT90 ignition coil engine Light water-tight component subject our. There are many differences in wiring between models, most GY6 ignition systems work the same as in... Utility Vehicles for homeowner use can only turn off engine using the kill wire you! Here scooter ignition coil test instructions on how to enable JavaScript in your browser is determined by the of... If only one spark plug and still no fire is closed, the primary wires be hot and you provide... Dont need it is energized and a magnetic field forms in the stator and still fire! Should be good to go a DC powered CDI unit instead of the module of hard work gone. Sure to also connect your toggle switch to the manual to find the exact ranges coil... Compact Utility Vehicles for homeowner use and it fires again but then continues to die fuel pump.! Then added a additional ground wire from the frame to pin # 5, and bridging # 4 a... The samething that pops up on this website for sale as a spark Tune-up Kit supporting this and... + sign, or it might only be indicated by a weak or trigger. It fires again but then continues to die a DC powered CDI unit instead of the plugs. A mdi 150 cyclone it runs like the spark to our terms of use a. Install a Dyna s ignition system testing, Magneto coils, points CDI. Found a problem promised: a schematic of the AC powered unit in the stator, CDI, coil you. Want to show you how to properly test your Magneto, stator or pickup coils i don & x27.
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