Common GY6 Engine Problems and Troubleshooting

So you have a 150cc gy6 engine either on your go kart or scooter and are having problems with not getting spark or carburetor issues. This video was made to walk you through troubleshooting the ignition system and to show how to solve those stubborn carburetor problems.

[@jamesreed7358]

Well done ! Great clear and concise video. Thank you for posting !

[@michaelcandy6283]

Very clear and informative looking forward to your next video

[@Savage-lx5yj]

I've noticed several questions about trigger coil output. Hot tip: a regular dvom will provide inaccurate readings. You must use a peak adapter. The signal is must too fast for a multimeter alone to capture. Hope this helps.

[@ike914]

Need

[@steveblottenberger1097]

Dude you are the best you're very thorough explain I can understand it and you're really help me out you got my vote I've been mechanic for years but I'm starting to play with the small engine GY6 is there a lot of fun thank you

[@markzanetti6228]

If there were a button to click that enabled me to send you a few bucks for this EXCELLENT video. I would surely click it.

[@scarecrowintherain7759]

Super helpful... Thanks man...

[@billrimmer5596]

Your vid helped me a lot with my Buddy 125. It turned out to b a failing pulse coil. The little one that times the spark. It has been going bad for quite awhile. The scooter would start and run perfect. But when it was pretty hot after a long up hill run it would cut out just a little. Then it would b fine for a few days. I even would go on 50 mile trips. Then it started dying more often. It would often seem to ohm out ok. Finally, it would stall and barely run. It the ohmed as open circuit. I replaced the complete stator and it is fixed. It was an intermittent problem that finally got to the point where it quit. Total pain. But very happy it is fixed. Thank u for that great diagram and video!!

[@williamhaskellhaskell3162]

Try to check spark when hot. Plug and plug cap are 5k ohm each. Check spark with cap removed! Try running non resistor ! Bill

[@billrimmer5596]

@@williamhaskellhaskell3162 Good morning. The stator was the problem. I actually carry a tool bag with all the ignition components and an extra belt. I even carry one of my old Ryobi impacts with me under the seat. I think it’s been over a year now. Not one problem except I wore out a rear tire. Next time I get a tire, it will b a Michelin. The cheap I got is undersize, and the first week I had it, I got my first ever flat from glass. I plugged it, and it’s been ok. But I will get a Michelin. Thank u William!!

[@DavidAndBeverlyShumate]

Love the video! Thank you so much and God bless! ❤😃

[@revivingamericaevangelisti5649]

Thank you for doing this video

[@donovanb.4565]

Do you have a link to which electronics like the cdi, coil and all that you have good luck with? Also link to a carb thats been worth buying for these engines? Thank you for the video and any help!

[@Ducktruckful]

where is the 18 volts a/c at the coil primary coming from? I was always told you cannot measure the capacitor discharge voltage ?

[@davydacounsellor]

Hi from Ireland thanks for the overview, would it be possible for a cdi box to cause a fault at higher revs. As ive replaced all systems except for voltage regulator and cdi box, thanks David

[@Drxxx]

amazing video, i order this orange modul, i will repair my scooter next week and make a video about it :D 🥰🥰🥰

[@motardjunior40]

Très bon tutos merci

[@18624100]

hi there i have fitted a new harness to my 150 quad five wire stator , everthing works except getting spark to the plug any known problems with these harness you'v heard of thanks .

[@wesleykerrigan7198]

I don't understand removing the kill switch wire to by pass the safety switches when I still have to squeeze the brake handle to even get it cranking. I've got some readings sketched down but I don't know if the are correct can I send them to you?

[@linus5699]

Maybe a stupid question. But is there a difference between negative ac and dc ? The green wire from stator (ground) is connected to the frame/engine/chassis, but also connected there is the dc negative from battery. So its ok to have both AC and DC ground on the same place ( engine/frame chassis etc).

[@jameslowe9699]

I just read a wiring diagram before that said you can have an ac or a dc stator depending on the manufacturer. If your wiring hasn't been played with before then maybe you have d.c?

[@vladimpaler9274]

Sweet kzbin.info/www/bejne/rJ_Ng4GwbZaAfNU

[@leeclement7716]

Great video wish I found this before all the others I watched that were full of information I didn't need if I could even hear or understand them. Recently I picked up a trailmaster blazer 150 and replaced the cdi, coil, sparkplug and voltage regulator. I followed the instructions in this video and everything seems to be working but still I have no spark. I'm so frustrated w this thing, got any ideas of where else to look? Tia

[@allangustafsson]

How about the stator not working?

[@barrie0559]

Great video! I put a new carburetor on , but when I drive around first it's fine but as I drive a half a mile it starts to bog down . I can't get any power to get moving. Then after 5 minutes the power comes slowly back. We did mess alittle bit tweaking the new carburetor but can't find that sweet spot I guess. Thanks

[@Nightbaker-qx3ek]

Vacuum leak

[@bikersoncall]

What should the resistance read for the Pulse coil from output lead (blu/wht) to ground if good? I'm searched for this part and it isn't found. The stators aren't expensive but I hate to throw it out just because of the pick up coil.

[@williamhaskellhaskell3162]

Is it .o5 vac or .5 vac. Produced by the trigger coil? Will you ohm the exciter and trigger coils?

[@tigger126]

3 wires only from ignition case. No red wire. All 4 cavities used on CDI 4 pin connector. Yellow, white from stator and blue with white from pickup. Arctic Cat 90cc ATV.

[@TheTomNader]

Kyle you said release kill switch pin from cdi but it skips to Staytor do I jump anything else for kill switch o eride?

[@kengrieve3910]

Hey Kyle, I like your videos, they are very informative... so, I have a 150cc gy6 and it starts and runs on starting fluid, but not natively with just the gas. Spark seems fine, I replace the coil/spark plug and wire. I've had problems with the air filter system clogging easily. Now it simply will not start and seems to not be getting fuel, or the mixture is bad, not sure what to do next. Any suggestions would be appreciated! Ken

[@kylecrowder6940]

Hi Ken, yes it definitely sounds like you are having an air-fuel mixture problem. I would start by inspecting the carburetor to see if any gas or perhaps too much gas is getting to the intake. If not I would remove the carb and thoroughly clean the inside (bowl, jets, etc). A replacement carb is cheap enough as well. If the engine was running before this probably isn’t the problem but you could possibly have a compression issue.

[@jordanlang6159]

@@kylecrowder6940 I have the same problem but it turns over like it has good compression

[@sofijagallo8921]

Could also be low compression too. Hopefully not tho 😬

[@bronxtours4193]

Thank you

[@lynnletawsky1568]

Hey Kyle, I've come across a scooter (150 Purfetti alto) that idles rough and bogs/stalls when accelerator is advanced while on center stand. There is a new carburator, coil, spark plug and cdi module on it. If you take the the air filter off and slightly cover the intake tube with your hand the engine performs much better which indicates a poor fuel air mixture ratio but I don't see any way to adjust it. Any ideas? Compression is 125 psi and leak-down test indicates 9% loss which are both good readings.

[@kylecrowder6940]

Definitely sounds like an air-fuel mixture problem. I would go through the carburetor and check the jets. You may be able to find more details on the carburetor from google specifically on where the mixture screw is. Also check for tears or leaks in the intake boot, sounds like it is getting too much air.

[@mrgoldendeel]

Lynn I'm having the same problems with mine. Exact same thing you described, new carburetor but will only start and run when I cover the intake. Then it dies when I give it too much throttle. Did you fix yours? What did you do?

[@MrTaylorcraft]

Kyle, I have a 2021 EZGO Valor with a 150cc (KYEFI) Kymco GY6 EFI engine. It will not run, and this is a common problem (with no fix) among other EZGO GY6 owners. Issues: Lights will not come on, and engine will not start. The horn and backup alarm will work, but they're hardwired straight to the battery that's perfect (verified by shop) with 12.6 volts. I changed the ignition and that fixed it, but as soon as I parked it, it wouldn't run anymore. I changed the ignition again and that fixed it again; however, one day later and it stopped running yet again. I bought another ignition, but that didn't do anything. I bought a fourth ignition and nothing. I can run a wire across two of the four ignition terminals and the lights come on, but it will not run. Do you have any suggestions? Any help is appreciated. If you want to use my cart to repair and make a video, let me know (I will still pay you too.) There's a lot of people who need help. The dealership will not share anything and their apparently charging an arm and a leg if it's not under warranty. Any help is appreciated. Thank you!

[@sofijagallo8921]

Hi there! In the CDI diagram pin # 1 goes to pickup. What is that? The wire harness on mine is missing that plug. (Fixing somebody elses wiring mess) 😅 Much appreciated, you da man

[@userfake6294]

I get 0.2 volts AC at primary terminals of ignition coil. Moped sometimes starts and then dies after 30 sec or so. I think CDI is faulty. What do you think? Voltage at primary termoinals of ign. coil should be constant or pulsatile?

[@kylecrowder6940]

Voltage should pulsate at ignition coil. If getting spark the problem may not be electrical.

[@williamhaskellhaskell3162]

Will non resistor spark plugs and or caps harm the c.d.I.on my gy6 scooter?

[@sofijagallo8921]

Hi there! In the CDI diagram pin # 1 goes to pickup. What is that? The wire harness on mine is missing that plug. (Fixing somebody elses wiring mess) 😅

[@zghtr7883]

Hey, could u go a little more in detail with the kill switch? I have a agm sp50 and the killswitch doesnt work., there are 4 plugs one for the horn two for the killswitch and one cant plug in in anything because there is nowhere to plug in. Also i have a problem with my lights. The normal light works but the big one doesn't(sometimes it does turn on by itself and then off but the light only turned on once when the light should've been turned off and when i turned it on it turned off?)

[@nicholassmall3085]

Hi i want my exhaust to shoot flames ive been told that i should use a coil with a switch hooked up to it now the sparkplug goes to exhaust can you guide me on how to do it

[@hanluong2510]

You Then Man. Thanks, Like and Subscribed .

[@Julio-bc7pj]

Hi Kyle. I’m trying to connect a dual cam to my Honda ruckus 2022. I cannot find the ignition on connection or fuse on the scooter. Would you know by chance? Thx

[@chrisfoster816]

Thanks

[@flackratchettheromperstomp8224]

It should be coming off of your starter relay

[@antoniskonstantakis5474]

What about the gy6 that have DC cdi do you know how to check them? thank you

[@williamhaskellhaskell3162]

Cranking or run engine for iunder. coil vac input? Bill

[@natvega1]

Some pick up have 2 wires, the blue/white and a green/white. What is that green/white wire for, it leads to the cdi next to the ground but it is not grounded to the chassis or to the battery neg cable, as it enters the cdi it exits the ground solid green wire via a resistence of about 1.6-ohms. So if you ever wanted to join these two wires as a single ground you will be doing so without the resistence of 1.6-ohms causing your pick up to fail. Any ideas?😮.... And the reason why you may want to join these two wires is so that you can use a DC cdi in place of an AC cdi in the case that your exciter windings burn out while on the road, instead of having to change your stator you can just use a DC cdi until you get home.???

[@charlesm4701]

I have a 150cc gy6 engine that runs great after it warms up, but it takes a few minutes to get warmed up. It seems that the electric choke is not working. How can I tell if the choke is not working or if it is not getting electric to it? The electric choke has about 8.5 ohms resistance. The electric wires going to it come from the voltage regulator. How do I check to see if the proper voltage is coming from the voltage regulator? I thought about taking your advice and buying a new carb w/the elec choke on it. But, then would I have to buy something else?

[@charlesm4701]

By the way, I don't know if it was related, but recently it would not start due to a very weak spark at the plug. I replaced the DCI box and coil wire. That fixed the starting problem, but now the choke is not working.

[@maggie1767]

Had nothing on the red and black wire and ground. Replaced stator and nothing has changed? Where to go on from that?

[@tagcvg]

We are trying to troubleshoot an electrical problem with our Baja BR-150 Go-Kart, with little success so far. It died while running it, and now when you hit the key to kick it over you can hear the solenoid click but no engine turnover occurs. We've replaced the rectifier, CDI, solenoid, starter motor, coil, sparkplug, but that didn't solve the problem. Voltage from the CDI power- in terminal to ground is ~12 V, but during attempts to crank engine the voltage from the CDI power-out terminal to ground and the starting motor-to-ground are only ~5 v each. We're thinking it may be an ignition switch problem and have ordered one but it has not yet arrived. May be a stator issue, but that requires getting into the engine flywheel area, and we're hesitant to do that. Any ideas?

[@dwilliams2794]

Hey. He briefly mentioned in the video but you could also be having a faulty kill switch issue. Those things can leaving you chasing rabbits all over that motor. Since you have changed everything else it seems, changing your ignition switch also doesn't hurt at this point. I maintain a lot of go-karts including some fairly older models and I don't usually see stator problems. Hope that helps.

[@Savage-lx5yj]

Try isolating the CDI. Test resistance from the ground pin to the rest of the pins within the CDI. Based on your description of the problem, the CDI has a short to ground or the capacitor is failing. Is it an AC or DC CDI?

[@panchosauceda55]

on mine I have this problem, it was running good till this problem arised. everytime I try to start the engine when I press the brake pedal To start it up, it blows the fuse off. the fuse is inside the elec.box any ideas Toto solve the problem

[@dajudge6919]

Why on the coil did you say the green was power side and black was ground side? All my quads with this style coil, the green ground wire in on the green side of coil and the yellow power wire is on the black side of coil. Thanks

[@danmoon8886]

Yeah, Kyle Crowder, it would be great if you (or somebody else) would address this queston.

[@iadr71]

I have been fighting with GY6s for a couple years now, I can make them run, but they will die after any length of time, I replace EVERYTHING, electrical to carb, even with upgraded carbs. and I can't find any mechanics that will work on them. I some how missed your videos in the past, maybe this info will help me plunge back into the deep end.

[@jadieltorres9257]

Taking out the plug wire for the kill switch on cdi turns off motor?? When running

[@_RocketRooster]

Does anybody have any idea why one would run smooth at cold start but with in two minutes start running very rough? Could that be a coil going bad? Any help would be greatly appreciated!

[@johnkohut6599]

I have a gym 150cc scooter replaced engine set valves. Ran great now barely runs acting like dirty fuel replaced the fuel still acting up. Amy suggestions?

[@kylecrowder6940]

This is likely a problem related to air/fuel mixture. go through the carb and make sure nothing is clogging the jets. also make sure the air/fuel mix screw is set correctly and that there are no leaks in the intake manifold.

[@dougklepzig215]

Great video. I haven’t had time to test my system yet. I pulled my spark plug out and turned the key. No spark the whole time it is trying to crank and then as soon as i turn off the key, i see one little spark. Has anyone ever seen this? Thanks

[@edgriffith7993]

I got a 2020 ice bear 150cc it starts good when cold and I can ride it a few miles and it will die and not start back until it’s cold again, I’ve replaced Cdi, spark plugs, coil wire , automatic choke and still same problem I got a stator coil coming hopefully it fixes what do you think my problem is !!

[@kylecrowder6940]

I would check the plug and make sure you are still getting spark after it dies. To me this sounds like a fuel problem, like the bowl is emptying. Check this after it dies, it could be a clogged line or jet. Also check the vent hose for the gas tank that it is clear, have seen this cause problems before. Hope this helps!

[@edgriffith7993]

@@kylecrowder6940 I thinks it’s getting gas bc you can smell it but I will check all those things ty

[@victorowens9150]

Sounds like your enricher, is not getting power. At startup, default allows more gas, as it warms, it closes up for normal running.

[@Ksu_ju]

I installed a cdi box today but it killed my bikes power after I installed the stock one and it was still dead can you help?

[@Spikahrilla_]

Okay so I have a problem I fix the CDI from this video it really help but I have another problem I bought I new regulator but the wire is burning hot so would I have to check my wiring to the stator or my wire to the ignition, also have brand new engine , cdi , coil ,

[@kylecrowder6940]

Hmm well it is burning hot because of the resistance in the wire. You say you have new components, is this the correct gauge wire for this setup?

[@Spikahrilla_]

@@kylecrowder6940 imma change it to thicker wire soon I was talking about that to one of my buddies and I’m gonna put a bigger fuse on it to , so I’ll see from there

[@golfish8589]

how do i check a gy6 stator that does not have a black red wire out of the stator? it is only a 4 wire stator

[@justintime2993]

My blue racing ac 6 pin scooter wire harnesses (new) does not have the trigger wire (3) connected, Do I need to place a ground in there and connect it to frame or the other green in the cdi or is it not required? Plz heeeelp😶

[@justintime2993]

4 pin regulator if it matters

[@Martyimgay]

My 150cc got kart 2 wires to the starter solenoid are hot. I’ve already replaced the solenoid 3 times so I don’t think that’s it. The 2 wires stay hot the whole time it’s running. It will start and run but I have to hit start it because when I turn the key it only clicks. So after a hot start I’m golden I just unplug the starter solenoid and I’m good and wires aren’t hot anymore.

[@mad_mechanic]

Reaction buggy, howhit 150cc gy6 clone, started acting like it has clutch slip under heavy load 75 to 100% throttle or teeth skipping without noise if that makes sense, so I replaced all the bearings-seals in the transmission the gears themselves and did clutches and belt and still does it... It is a double chain setup it doesn't feel crazy at all when I roll the machine like the chain is binding and it is tensioned properly I'm kinda stumped my next step would be replacing the chain but definitely feeling lost with it

[@kimenriquez3280]

What is Advantage of 11 pole stator???

[@radicalracing09]

You could also have just 2coils on the stator the charge coil and the main primary coil

[@rafaelrivas6582]

Good afternoon, I wanted to know why my ATV Go kart doesn't start with the key, it only starts if I put a screwdriver on it.

[@antltarling3858]

Hi mate will work sym jet 4 125. Year 2016 for problems

[@maxallen6461]

When he was talking about the carborator that's where most people go wrong it's not easier to buy a new carb

[@markzanetti6228]

I have to disagree. i got a replacement carb for a GY6 engine at $20 shipped. the old carb had sat for 4 yrs and i couldn't even get it apart. I'd have to drill out the screws, re-tap, even before getting to all the dis-assembly, clearing, adjusting, re-assembly. Its the same reason many locksmiths just replace the core of a lock instead of picking, dis-assm/make a key by hand/re-assemb. Hell my nap time is worth more than that.

[@butterbean4195]

ghost in the machine.. i got a 2nd hand 2021 tiking 4 seater 200cc kart the other day. it was a crank no start, owner said the shop replaced the cdi a few weeks earlier and a few days after that it died. and he decided to sell it. for a 2021 it was mistreated i could tell every single bolt and nut was loose some hand tight loose.. the breather hose from box to carb gone the electric box cover gone and it was pouring down rain when i bought it..i tested the stator, and all was good but knowing what the kart been through i replaced it anyway. still no spark then i decided to put a new CDI in it and i had spark. then put plug in tried to crank nothing pulled plug no spark, tested the CDI it was blown now also. when i took the voltage Regulator off the mount i noticed the bottom was cracked bad. so im not sure where to go with it. but i noticed some weird stuff if i wiggle the key switch the dash lights and speedo meter flicker. also i went to measure the holes for a new tail/brake light with my digital gauge and it was going bonkers when i put it up near the electric box area something is shorting somewhere just not sure where to look..i have checked all grounds all are good now. i do have a new ignition/key switch coming and new CDI..any ideas?

[@Jesus_Saves_J2415]

Engine revs up and idols fine but no forward or reverse... What could be the problem?

[@tfmobilewash840]

Hep pal. Every time I plugged my new cdi it blows the fuse. What could be the problem?

[@rithyadoung7760]

Sorry bro .. my motorcycle counter is not working . How i can solver it for GPX GR 150c 2018

[@hogg1media627]

I stripped my gy6 scooter 150cc down and it doesn't have a CDI box... is rhat OK? I been riding for about 4 months. It just stopped on me.

[@servantoftheservant5022]

New subscriber lets c what u got best south africa

[@terrytamblyn9551]

I was always under the impression that ignition coils ran on dc, and that the cdi unit changes ac from the stator to dc for the coil, but you said it was ac to the coil so a bit confused.

[@Ryan_1997]

Depends what type stator you have Ac or dc If you look at the coils on the stator, if it’s bare coils all around, I believe its DC IF there’s some coils that look like they’re wrapped in white tape, its AC. I believe it was ac that charges your battery and dc powers up cdi

[@patric7144]

Hello there, I have no spark at all or any of electrical components are receiving any power. I have a 139qmb Chicago go scooter 100cc bb kit

[@kylecrowder6940]

Hi Flacco_flow, I would start by first checking the battery of course and make sure it is charged. Next start at the battery and begin tracing power back through the electrical components with a voltmeter (or a test light just to ensure power is getting through each).

[@brucebradshaw4748]

does anyone know about wiring on a 250 joncin twin cylinder motor have harness to adapt but there are 3 yellow wires from magneto plus a red/black, one blue and one white for memory anyone got any ideas thanks

[@jrockner957]

Can you please make it clear what is powering the auto enricher (electronic choke)

[@kylecrowder6940]

Hi J Rockner, I believe the choke is powered by AC directly off one of the stator windings, this should be the white wire i believe. AC is applied any time the engine is running. To do a quick test on this I would remove the auto enricher (choke) and connect it to a 12v power source and make sure the needle is extending. Should actually work with AC or DC

[@joeguidry9744]

If you change carb. With out that what to do with the wire?

[@aladdinmbt]

Hello I got a 50cc Chinese motorcycle it has spark cranks over does not start I even tryed to shoot carb fluid into carb and in tank still does not start any suggestions

[@kylecrowder6940]

Hello! Once you have visually verified that there is spark by grounding spark plug to chassis or engine and cranking, then I would check your engines compression. If you plug the spark plug hole with your finger there should be enough compression to blow your finger out (if you do not have a gage).

[@Nightbaker-qx3ek]

FYI the sparkplug boot is screwed to wire

[@MadMax-cw3pn]

In the case of a 50cc two stroke scooter with AC stator, if the CDI is faulty the power wire from stator, usually the Black wire with red tracer, will not generate a power feed to the CDI giving the impression the stator is bad. A good working CDI excites the stator to generate around 48 volts AC a faulty CDI will not. I'm pretty sure the four-stroke non GY6 Chinese CDI's are the same such as found in the 100cc Quad bikes etc

[@williamhaskellhaskell3162]

You test the exciter and pulse coil not connected to the c.d.I.

[@kcgames1369]

so the white cable is for lights that came out from the stator?

[@kylecrowder6940]

Yes, this should go to the regulator (rectifier/regulator). Here is a good video to explain what the regulator function is and how to test: kzbin.info/www/bejne/mZ2voWaYnatgpMU

[@GYccUsefultips]

The white cable is for your charging system.The yellow for lights..

[@ethanshelton2763]

Good video but what about the choke “ auto enricher “

[@bikersoncall]

I was getting 1 to 2 vac from my pulse (trigger) wire (blu/wht) on my 140cc pit bike, not .05 vac. shrugs...

[@cartermoore3301]

My gy6 150cc go-kart won't even try to turn over when I turn the key. I have tried many different things including using a screwdriver to bypass everything and go straight to the starter and then it tried to start (unsuccessfully). I am very sure the problem is electrical but I can't figure it out. Any reason it won't try to turn over when I turn the key?

[@kylecrowder6940]

Hello Carter, it could be one of a few things. Most likely is the solenoid has gone bad and will need to be replaced. But it is worth checking the wiring between the key and the solenoid for breaks and also check for any safety switches your kart may have. There could be a broken switch to ensure the brake pedal is pressed to be able to start the engine. In my past experience this problem usually comes from the solenoid though. Thanks!

[@cartermoore3301]

@@kylecrowder6940 Thank you for responding, when I got the go-kart (2 months ago) I quickly realized that the wiring was old and corroded, so I bought a new wiring harness with everything in it including a new solenoid. I doubt that it is bad because it isn't very old. I did leave the original stater on the engine thought because it had the correct connections and I may have been a little lazy at the time. I doubt the old stator stops it from at least trying to start though. I know that the key is connected though because when I turn it the brake lights (not installed) get power. Therefore the key is connected to the harness, any other ideas? Again thank you SO much.

[@kylecrowder6940]

@@cartermoore3301 No problem, best advice I can give is to take a test light and start at the starter and work your way back to the key. When you turn the key to start it make sure your getting power at the starter and if you are, then work your way back to the solenoid etc.

[@cartermoore3301]

@@kylecrowder6940 I have already done that with multi-meter ao it's basically the same thing. The pole (idk what they are called the things that stick out of the solenoid and one goes to the starter and one to the battery) the pole that goes to the battery gets a strong 12v when I turn the key, the pole that goes right to the starter gets 0v. Now that I type this out it sounds more and more like the solenoid is bad. I was hesitant to assume it was bad because it is new(ish). They are only like $5 I guess I will buy one. Again thank you so much for responding.

[@gadrydaniel6692]

@@cartermoore3301 check your cdi box. Replace it and it will start immediately

[@lowriderfierro8614]

Replaced cdi replaced coil spark plug still nothing but I don't know what else to do

[@jrockner957]

One thing you forgot to mention here as the auto enricher which happened to be my problem. This is electrical and you do t talk about voltage or what wires from the cdi are powering this

[@flackratchettheromperstomp8224]

It's puck up 1 and then ground

[@davidcoates4852]

Warning!! The voltage from the stator, CDI & coil can be detrimental to health ⚡☠️⚡

[@gherickb8181]

Heeeeeelp I have a linhai 300cc no spark I change everything but the wires are do different any help to find wires diagram AEOLUS 300cc linhai

[@kylecrowder6940]

Hi Gherick, I found this post in a forum where someone else is having a similar problem. There is also a picture of the wiring diagram there. Hope this helps! atvconnection.com/forums/1-engine-problems/345822-linhai-300cc-no-spark.html

[@gherickb8181]

@@kylecrowder6940 i check it they being taking for days not solution plis is 2012 post but thank youuu very much

[@lynnletawsky1568]

Sorry, Pertutti Alto. Thought that didn't look right.

[@dannyroa3668]

What if engine doesn't crank?

[@verlonharder6417]

My Chinese scooter starter free spins..I got new starter does same.any advise please

[@harrisonaard1]

It may sound silly, but did you check the starter mechanism under the cover first?

[@verlonharder6417]

@@harrisonaard1 that don't sound silly at all.uuh no ..I assumed it work like any other starter..but I learn it has a starter clutch which is new to me..I THOUT it just engaged a fly wheel

[@alejandroboulware]

i have a vector 150R replaced coil,cdo and stator ,still no spark . i followed the readings onnthe video and still no spark . im stumped.

[@kylecrowder6940]

I would recommend finding the electrical diagram online and trace the voltage with a volt meter or even a test light if you have one. This way you can find at which component you are losing voltage.

[@phitness2429]

At 5:00 you said connect you black lead from meter to black lead on coil then your red lead to lighter colored terminal. Why would you connect the black lead from meter to power on coil lead? Black is neutral and green is ground?????

[@Jesus_Saves_J2415]

Green is ground and black i believe is negative

[@ZiZo.H.709]

لو تضع ترجمة باللغة العربية سأكون ممنون لأنك بالفعل تفهم جيداً

[@hollywoodlopez258]

Tonight was the first time I took out the starter of the motor. FCK yess I accomplish sumten new. Dat only I noe wat I did n proud of. But why I did it cuz I think not 100,% sure it's da starter but just in case bfo dumpster man. Gets it in da mornin

[@Idk-rj3bg]

My gy6 has a brand new car and everything but it still won't start, it's getting a orange spark but I'm not sure what's causing it to be a weak spark

[@epgboy]

Hey. I. Have eton. 90 r. And. Eton 90. Wire harness complete. I think. Just. Doesn’t. Have. The. Ball. With. 4. Wires. That. Give. Spark

[@zainoelsoroto2776]

you dont waste a single word

[@timothyhall7153]

This doesant help at all. The two plug on mine has the trigger wire on it and also I've got a inverter/ regulator that 3 yellow wires from the stator go to then a red comes out of it to power the CDI so obviously their not as alike as you say

[@user-bg9ov4rj7v]

You say the green comes from the cdi but yet your drawing has it opposite...... which is it !!!!!

[@DirtySouthBaitAndTackle]

I have spark, new batt, gas in carb, reset timing have crank but will not start.

[@roygammon2215]

Set valves

[@DirtySouthBaitAndTackle]

@@roygammon2215 done valves got it fired up but now it had like a funny sound then it blow-out the spark plug. Im wondering if its just to much for the head. I fixed the plug problem but it still sounds off any suggestions.

[@christophercrowe6648]

I've got all new parts and not still won't start..

[@skwergs]

Um... bad math... 0.6mm - 0.7mm is 0.023in to 0.027in...!!! not .23 to .27 in! that's over 1/4" !!! BIG difference!

[@bikersoncall]

7:20 .23 - .27'' inch gap is obviously not what he meant, that's 1/4'' gap . Gap for my 140cc bike is about .040''

[@Jullipylykko]

i have replaced everything still no spark

[@timothyhall7153]

This os all fine n dandy if youve got a150cc p.o.junk. i got a 250cc p.o.junk with a inverter /regulator. I got 3 yellow wires(hence 3 phase) on one plug coming out of engine that goes to the inv/reg and a 2 wire plug coming out of engine, ones a trigger or pulse (blu/wht) and the other is a ground. The cdi on mine gets power from the inverter regulator. The 3 yellow wires going to the inv/regulator are ac current but when they come out its a three wire plug green n red n black. Green n red go to cdi as 12volts. The black doesant go to anything. Im so damn sick of trying to find my info. I cant believe these chinee pump out a million of these junk bikes but not one manual

[@survivalwithty]

When my scooter gets hot it dies and wont start again

[@kylecrowder6940]

Tride02 have you gone through the electrical system troubleshooting steps detailed in the video? It is possible that your CDI or ignition coil may be faulty...

[@tryphoncuh2116]

The GY6 engine is a mistake of an engine