I just went through this, my bike was running fine, then it just died, it had no spark. I tested everything, mostly with a multi meter, several times. Everything tested good, however since I had all the parts, I replaced everything on the bike, stator and firing pick up sensor thing, coil with plug, CDI, voltage regulator, remote control lock out box, solenoid, kill switches and anything else if there was. The only thing I didn’t change was the ignition switch, because I just put a new one in it about a week before. Also it was testing fine, working like it was suppose to, so I left it. Well turns out that’s what it was, and I found it by accident. Even though it was new it was junk, it tested fine, it looked fine, all the wires were still attached. But I was removing the body panels and was going to get it ready for a re-wire, thought it was my only choice. So I had to take the ignition switch out of the fender to get it off, so I did and then plug it back in. Just for the heck of it, I thought I’d check again for spark, and it sparked about two times and stopped again, I new it had to be the ignition switch cause it was the only thing I had just touched. So I grabbed ahold of it and I squeezed on the top and bottom, u tried it again and boom a nice bright strong spark, I let the pressure off the switch and nothing, squeeze it, spark again. So the big lesson I learned was, when the parts are coming from China, and as cheap as they are made, just because it’s new doesn’t mean it’s good, just because it test good doesn’t mean it’s good. When I was testing this, obviously the pressure from my probe pushing on it was allowing it to read correct. I’m not buying another switch, I just joined the black and red together, and just left the other two unhooked. Now all I got to do is shut it off with the kill switch on the handle bars, no big deal, why keep replacing switches on a weekly/monthly basis. I hope this helps someone.

It's the stater inside the cover where the wire goes into the side case. I just had to fix the exact same 4 wheeler with the exact same problem 😂

@jcurry37

24 күн бұрын

Are you referring to the wires that go inside the motor box

@oscarbu4833

24 күн бұрын

@@jcurry37 yeah aka crank case, side plate, or as I said side case putting the two together..... But never motor box 🤣

Thank you man that was a great help I appreciate it

Did you figure it out I did same to mine replace everything new still no spark

Have 90 cc would not start or turn over so bypassed the selonid pole to pole and jumped it off started up ran it for thirty mins ran good and revealed up nice no misses then got on put it in reverse and gave it some gas and it stalled out now will not crank back has no fire what so ever ordered a new coil and cdi box and senloid ,new spark plug do u think that will fix it it is my grand son's and is really on me to get it running again also have green wire loose at the battery do u know wherein goes someone please help??

Which CDI box do I need to use on a 150cc ,gy7 engine

Same brother no idea why I don’t have spark

Hi I’m having the same issue , can u send me the link of the wire harness with the plug n play 6 coil stator ?

You need to ground the brake light safety switch

Check the kill switch plug. Make sure the wires are leading to the same things from the old one. Then see if the back Saftey switch is open loop or closed loop. If that’s all correct I would say the Cdi box would be wrong or bad. Check the harness wires and see if they are the same as the original one. If so the cdi is bad. I’ve had new one be bad. Chinese parts like these are super cheap made and made with bad parts some times. When right that thing will make a nice spark with a loud arc snap sound when it sparks.

Did you end up fixing this ?

Could be the ground Does it look like the other one has a ground Nfl just run a grown wire Put it on the bolt

You have sister's here too bro, lol 🙂👍🏻

@thebrothers4311

Жыл бұрын

Haha, thanks for pointing that out 🤣

The two pin wire connector at the rear next to the three pin connector is for a emergency kill switch, at present there isn't one connected to it so this will be causing an open circuit hence no spark at the plug

@thebrothers4311

Жыл бұрын

I've seen a few other video and they don't need to have that 2-pin connected to get spark

Man what mine was doing the same thing but I went ahead and installed the plug and it fired right up

Old school way

I have the same problem , we’re you able to fix it , both of my new wiring harness won’t give spark , I’m thinking it’s a safety

@thebrothers4311

Жыл бұрын

It's been to cold for me to work on it. I'm think the stator sensor is too far from the flywheel and needs adjusted. There's another youtuber that shows it. Check him out. He also tried 2 brand new wiring harnesses before he solved it

@moistyfinch2226

Жыл бұрын

@@thebrothers4311 who’s the KZreadr ?

@thebrothers4311

Жыл бұрын

@Moisty Finch here's the video link: kzread.info/dash/bejne/eWSkp8qefpjWlbQ.html

@thebrothers4311

Жыл бұрын

@@moistyfinch2226 did you try it? Did it work?

@moistyfinch2226

Жыл бұрын

@@thebrothers4311 yup ! That’s what it is , funny because I returned a wiring harness before because of this problem thinking it was faulty , I suggest you go try it , it takes 5 mins

Bad cdi box had the same problem that fixed it

@thebrothers4311

Жыл бұрын

I've tried 3 cdi boxes, not the issue

@thebrothers4311

Жыл бұрын

I think the stator sensor is to far away from the magneto spinning. I need to adjust it but haven't had time. Another youtuber pointed this out

It's your kill switch

@user-hh8ol3uq9f

Жыл бұрын

Cut it off at your cdi your kill switch

@user-hh8ol3uq9f

Жыл бұрын

I believe it has an open ceirt to start

Having the same problem

@thebrothers4311

Жыл бұрын

I have a different wiring harness on order. Supposedly the updated model. I'll post a video if that works

Bad coil

@thebrothers4311

Жыл бұрын

I'm going to send it back to Amazon and buy a different one. This one had to many connections that I had to wire together manually. I'm going to get the plug and play option

@Alexmartinez-qp5fm

10 ай бұрын

@@thebrothers4311hey I’m having the same issue and I got the same harness with too many coil connectors, can u send me the link to the wire harness you re ordered the plug n play 6 pin stator coil?

Man put it in neutral run a couple steps get on and pop it into first gear start rt up

@thebrothers4311

Жыл бұрын

It's a 50cc kids atv... there is no neutral, reverse, 1st, 2nd or third... besides, with no spark it ain't gonna fire up