(These are both bullet-style connectors). I NEED HELP!! Hi Folks, I have a variation of this problem. Again I guess this points to the CDI. No spark again brought new cdi, coil, stator, starts ok several times go back next day no spark. 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 Ive stripped most of the harness already and have found nothing out of the norm. This info is intended to help you test engine problems. If the plug is fouled or cracked it may not spark. When I plug it up, obviously it’s getting straight power to it to cause it to light up, and when I start it the spark makes the light dim like it’s supposed to.. Im not getting power to the coil i have power to the CDI box but nothing to the coil. Too small? Kill at ignition switch has been bypassed. What we will be doing here is troubleshooting these ignition parts starting at the source, and working towards the spark plug. PLEASE HELP. I have a Subaru Robins engine that runs great and I got the same output when I tested it. 89 It’s weird how them things are wired but I changed the stator and got spark. Something easy to check is to see if your battery is connected in reverse. Input from trigger module but yet i dont have any spark? If you do I would try a new CDI. I disconnected the regulator tested all voltages yes there back. Because it's able to ignite the air and fuel mixture powering your engine, you need to ensure your bench is free of any flammable liquids like gasoline. Ignition Coil for Coolster 125cc 3050B ATV-3050B 3050 B3050A 110cc Kids 4 Quad Four Wheeler Roketa Baja Kazuma Meerkat 50cc Falcom 110cc 70cc Chinese Quad ATV Dirt Bike 4.5 out of 5 stars 119 $9.89 $ 9 . In order to help, I’ll need your voltage readings. where or what pin are you putting the ground on ? 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? Revs slightly but as soon as rpms get past about 1500 it dies. and i have no spark. I am pulling my hair out with a no spark problem. If there is a No Spark condition is still present perform the following test. I have continuity and power from the wire from the CDI (input from CDI: green male connector on coil) to the coil, but I don’t know where the neutral wire comes from/runs to. Thanks, Terry. I don’t see that in your troubleshooting. Do the older ones have a switch? Found the problem. I would think it would just always be grounded. 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. I have a 150cc motor that I have successfully swapped into a 50cc chassis. Fitted a new clutch, engines turn fine now but wouldn’t start. Already swapped the cdi unit and the coil. Actually, I can’t recall a single confirmed example of a confirmed problem with ignition timing over the years. No spark from spark plug, I replaced everything spark related, with the above kit. Thanks. Hi’ I just bought an upgraded AC CDI box for my 2012 Carter Talon GSR150R2 go kart. but it is a brand new cdi. So I charged it up. Stator is putting out 17 VAC Trigger output 0.1. My Reg/rec is the older style with the 4 port plug and my buggy is early 2000’s. No spark. This is the kill pin. Swapped back in old parts, still no change. Test your ignition coil resistance, the output of your pulser coil, and the output of your stator. Everything is disconnected except for the ignition system wires. I got it they lost the key and the alarm box is missing. Killswitch wire is cut and have grounded everything to multiply locations. – Battery is fully charged I'm working on a Chinese made ATV for the neighbor kid. 6. Between the design of the CDI and pickup module, we don’t see many timing issues with the GY6 setup. 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). Minimum values: BH-Motor New CDI Box Ignition Coil Solenoid Relay Voltage Regulator for ATV 50cc 70cc 90cc 110cc 125cc Chinese ATV Dirt Bike and Go Kart 4.2 out of 5 stars 25 CKEGUO Wire Harness Kit Complete Electrics Stator Coil CDI Wiring Harness Solenoid Relay Spark Plug for ATV Quad 50cc 70cc 110cc 125cc 4 Stroke Go Kart Dirt Pit Bikes Leo St. George. Hi there I bought a shineray sam 300cc quad,the problem we have is there is no spark,we took the bike to johnway they told us it was the wiring harnas they did put in a second hand one,then sudenly they said its the pick up on the magnetic coil! I get 53 vac out of the stator and 43 vac to the wires to the coil but once I plug in the coil I get only .8 vac therefore not getting spark. This is a brand new out of the crate engine. Is there a way to shut it off with the key? I am a mechanic, but we all get stumped and all data don’t cover gy6 engines. 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. Gerald, Have you removed pin #5 (Kill Line) from the CDI plug while testing? maybe the key switch is bad. 2) If it is a 2 wire coil and it fires when not grounded to the frame, the coil is defective. 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. The 0v on the trigger wire does seem to be the problem though. 24.0 v. Based on that information I thought the stator and pick up sensor were OK I re-connected the CDI box and measured the voltage to the coil and received 0 volts. Thanks for the confirmation. So, could I have a bad CDI? I wonder if my wiring is not typical and I somehow damaged the new 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. For the resistance test, you’ll measure the ohms. On mine the power is red/black the trigger is not the yellow/blue but they are the only two “bullet” connectors. Chinese ATV Trouble Shooting / How to Test for No Spark . Hi I have a no spark on my crossfire 150r so I did your guide on trouble shooting online . I have no fire to spark plug. This is a test harness solution for repair shops to help diagnose electrical repairs. I just would like to thank you guys for this article it simplifies the entire ignition system. It’s a little larger than the AC type.. Not locate it on a flywheel, there will be my 4th, given up for the model i good! Well at least of poor grounding ( pin chinese atv coil test ) with an problem. Bundle is 100 % within a block – i have seen some cases of a Chinese E22.. 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