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briggs and stratton ZZ coil repair


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  #1  
Old 07-14-2019, 08:45:51 PM
pigpen60 pigpen60 is offline
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Default briggs and stratton ZZ coil repair

I am looking for information on K D Redd's repair of the magneto coils for engines like the ZZ. Right now its for learning. Thank you.
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Old 07-14-2019, 11:31:08 PM
EvilDr235 EvilDr235 is online now
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Default Re: briggs and stratton ZZ coil repair

I know KD Redd did a magneto upgrade for the later Briggs engines that had Magnamatic magnetos. If you don't get a answer here try shopdogsam on YouTube. He has many, many videos on old engines and repairing them.
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Old 07-15-2019, 04:41:48 PM
pigpen60 pigpen60 is offline
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Default Re: briggs and stratton ZZ coil repair

will do, thank you.
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Old 07-15-2019, 07:58:40 PM
Doug Tallman Doug Tallman is offline
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Default Re: briggs and stratton ZZ coil repair

Redd's thoughts were to install a coil that was cheap and easy to obtain on the laminations of the original coil.

Here is a link to a search for his posts. Might take a while to find what you are looking for.

https://www.smokstak.com/forum/searc...archid=9005128

---------- Post added at 07:55:37 PM ---------- Previous post was at 07:42:54 PM ----------

Here is a different search for his posts with the word coil included. Should be a shorter list but still 8 pages.

https://www.smokstak.com/forum/searc...archid=9005133

---------- Post added at 07:58:40 PM ---------- Previous post was at 07:55:37 PM ----------

This isn't from Redd but another thread on repair of a Z coil.

https://www.smokstak.com/forum/showthread.php?t=89644
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Old 07-15-2019, 09:14:37 PM
batrider batrider is offline
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Default Re: briggs and stratton ZZ coil repair

I looked into this a couple years ago for my Model A which I think has the same as yours. At the time there was someone in the Northwest who rewound the coils. Do a Google search using the part number.
I ended up taking the laminated core apart like Redd did so the coil can come out. I bought a Chinese hand cranked winder with a mechanical turns counter and rewound by hand using wire with modern insulation and Nomex paper between layers. Lots of mylar tape too.It is something like 10,000 turns and took about 4 days of intermittent cranking. The wire is hair thin and broke frequently. All in all I would not do it again. It is well worth having it done by someone else. The cost of materials is not cheap and it is very labor intensive to do it that way. Also experience counts when dealing with insulation and high voltage techniques.
But I learned a lot doing it the hard way and it puts out a nice blue spark. Makes me smile.
Russ

---------- Post added at 09:14:37 PM ---------- Previous post was at 08:50:28 PM ----------

I looked into this a couple years ago for my Model A which I think has the same as yours. At the time there was someone in the Northwest who rewound the coils. Do a Google search using the part number.
I ended up taking the laminated core apart like Redd did so the coil can come out. I bought a Chinese hand cranked winder with a mechanical turns counter and rewound by hand using wire with modern insulation and Nomex paper between layers. Lots of mylar tape too.It is something like 10,000 turns and took about 4 days of intermittent cranking. The wire is hair thin and broke frequently. All in all I would not do it again. It is well worth having it done by someone else. The cost of materials is not cheap and it is very labor intensive to do it that way. Also experience counts when dealing with insulation and high voltage techniques.
But I learned a lot doing it the hard way and it puts out a nice blue spark. Makes me smile.
Russ
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  #6  
Old 07-19-2019, 09:53:29 AM
batrider batrider is offline
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Default Re: briggs and stratton ZZ coil repair

The rewinder in Washington state is oldcroak.com. $125 with your core. Never dealt with them myself.
Sorry for the double post above. It won't let me edit it.
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