Topic: Anyone tried this coil? – Antique Outboard Motor Club,Inc

This topic has 11 replies, 8 voices, and was last updated 5 years, 11 months ago by johng.

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February 18, 2019 at 9:41 am #167491
drifter
Participant
I have some coils that the box label states BBT-B16421. “Replaces Lawnboy 580184”. Will these replace OMC P/N 580118? 1957 Sea King 5.5hp.
Drifter
February 18, 2019 at 9:54 am #167493
seakaye12
Participant
US Member
Well I think so because if I put that part number into Google it comes back to an Amazon page that shows the OMC style coils (universal magneto) that would fit your Sea King.

https://www.amazon.de/Z%C3%BCndspulen-584477-582995-Au%C3%9Fenborder-Zylinder-ROP-Shop/dp/B06XK884M3
February 18, 2019 at 10:21 am #167496
drifter
Participant
Yes, that’s what I see too. But…there is always a but…..I have the coils and the ones I have do not fit. There is an extra “brace” on the coil body that supports the spark plug wire port. This brace – on my coils – interferes with a land cast into the armature plate thus not allowing the coils to sit flat on the mounting plates. The attached photos show the interference areas (pencil pointing to them). Maybe the coils manufacturer changed how the coils are made????
- This reply was modified 5 years, 11 months ago by Mumbles.
February 18, 2019 at 11:27 am #167508
Anonymous
Take a dremel and shape the coil to fit the mag plate.
February 18, 2019 at 11:46 am #167511
outboardnut
Participant
US Member
folllowing
February 18, 2019 at 12:43 pm #167525
frankr
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US MEMBER PAY BY CHECK
The original Lawn Boy and OMC coils were interchangeable, but it appears you are dealing with modern aftermarket coils.
February 18, 2019 at 2:00 pm #167532
crosbyman
Participant
Canada Member - 2 Years
https://www.ebay.ca/itm/Ignition-Coil-Fits-Johnson-Evinrude-OMC-Replaces-584477-0584477-582995-0582995/401441684859?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649

fyi

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February 18, 2019 at 9:41 pm #167576
jeff-register
Participant
US Member - 2 Years
Just checked, Amazon is out of them now. 2/18/19 @ 19:40 hrs
February 18, 2019 at 11:27 pm #167591
crosbyman
Participant
Canada Member - 2 Years
try eBay

Joining AOMCI has priviledges 🙂
February 19, 2019 at 9:21 am #167603
drifter
Participant
The gentleman I bought them from has graciously offered to take them back. I could grind off the land (which is filled with potting “epoxy”?) but I feel that modifying these parts is just not the way I want to rebuild a magneto.
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