Rewind a Primary Ignition Coil **AUDIO FIXED**
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- เผยแพร่เมื่อ 9 ก.ย. 2024
- This video was originally published June 30, 2015. I sped up the video while editing, but my software at the time didn't allow for audio pitch correction. I've received a lot of comments complaining about the audio so I finally got around to fixing it. Unfortunately, I can't replace the original video, I had to upload a copy of it. This is the same exact video, only the audio pitch has been corrected. If you want to watch the original video - it can be found here: • Video
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I show how I rewind a damaged primary ignition coil on a vintage mini bike to regain spark. These parts are getting harder to find, but I was able to make this repair with materials that I had on hand. The supplies to rewind your own source coil can be had for under $10 from most electronic suppliers (Radio Shack, Mouser, Newark, etc).
The wire I used was 23 AWG magnet wire 🔗 amzn.to/2myZT2d
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If this helped you out and you'd like to show your appreciation, donations are accepted :
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Thanks for this video. These old Kawasaki coils are super hard to find, great to know that re-winding them isn't impossible to do.
Awesome, just got a 1978 Yamaha YZ 125 that needs new/replacement magneto coils. Of course they’re made from unobtanium so this vid is my next step forward 👍
Thank you for the education of winding coils Dustin. I like using the plastic tube for the holder part. Very good idea Sir. Good day and peace too. vf
I have kind of a similar problem. I have an old "no new parts to be had" single cyl system, My breaker point is history so I figure my only shot left without buying lathe work will be CDI or HEI module and trigger point, but that is taken I can get a charge from somewhere to power it.
I need to rewind my coils to deliver a healthy charge of 12 volts, the more Amps the better.
Do you know the coil resistance value to generate 12-14,7 volts ? Do you know how much input voltage overshoot typical moped/motorcycle voltage regulators usually can take before they fry ?
This is a very helpful video, thank you! I have a 1974 Yamaha ty250 with a lighting coil which appears to be bad. I’ll be doing a little more troubleshooting, but I’ll most likely be rewinding it.
Nice Fukien job!
Just wanna know if i understand the process correctly. So the red wire is soldered to one end of the copper wire, then you wrap the copper wire around the coil, and then the black wire is soldered to the other end of the copper wire after its all wrapped?
Also was the super glue that you kept putting on the wire every now and then?
That’s correct. It’s just a continuous coil of wire that will create some current when it passes by a magnet via induction. The super glue was just to keep the windings in place in the event that I accidentally released tension while winding it.
@@DustinRogersinMO Ok cool tyvm
Would you be interested in wrapping 2 of these for my Yamaha outboard i have pictures the parts are hard to find
Is the coil still working? How did you figure out which direction to wrap the wire or does it matter?
Still working great. Wrap direction shouldn’t matter, but as you’re stripping the old windings off, pay attention to the direction they were wrapped and where the winding started/stopped.
Do you have any info on the automotive coil that you got the replacement wire from?
No idea what it came out of, but you can order magnet wire in whatever gauge you need
How do i know how many turns i need and how i will know how much current it can output?
I want to rewind a coil for my tomos A3 1981year.
I just did the approximate same number of turns as the original and tried matching the same resistance value as the original spec. There may be some calculation that will get you a ballpark idea of number of turns necessary but that’s a bit out of my wheelhouse. Some of it will depend on the iron core size/thickness and the gauge of wire that is used.
@@DustinRogersinMO i've seen on google that you can calculate numbers of turns on transformer by a formula with dimensions of the core + the voltage you want to get/put in but i dont think its the same for a generator.. the coil that i need to rewind is for powering the headlight/stoplight and horn on my tomos moped.
How many millimeters of copper wire are you using?
No idea. I did as close to the same number of wraps as the original.