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Offline HondaMan

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Who knows Dyna coils?
« on: July 13, 2006, 09:06:55 PM »
I found a Dyna III and 3 sets of coils in my basket-case CB750K4 boxes. One coil set looks like the CB500/550, with right-angle caps on 2&3. The others are CB750 style, appear to be stock Honda.

What resistance is the coil, if it is a Dyna III coil? I've heard it was less than the standard 4.0-4.4 ohms. Although the standard coils will run with any Dyna, I'd like to know if one of my coils is the right type, or did Dyna specially mark theirs? Anybody got a Dyna III with the coils? Do the coils look different from the stock Honda coils?

I've exclusively installed Dyna S units, which just replaced the points. So, I'm not so familiar with the Dyna III.
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Offline Sam Green Racing

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Re: Who knows Dyna coils?
« Reply #1 on: July 13, 2006, 09:22:23 PM »
errrrr,..... we will ask the questions if you don't mind. ;D ;D ;D ;D couldn't resist that one. ;D ;D ;D

Sorry m8, not a clue. :( :( :( :(

Sam.
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Offline Terry in Australia

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Re: Who knows Dyna coils?
« Reply #2 on: July 14, 2006, 04:12:35 AM »
All the Dyna coils I have used are the green 3 ohm items, they look entirely different from the stock honda items, and work about a hundred times better too! Cheers, Terry. ;D
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Re: Who knows Dyna coils?
« Reply #3 on: July 14, 2006, 04:52:38 AM »
Accel coils are 3.3 ohms also.
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Offline pmpski_1

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Re: Who knows Dyna coils?
« Reply #4 on: July 14, 2006, 07:38:35 AM »
Quote from: Terry in Australia on July 14, 2006, 04:12:35 AM
All the Dyna coils I have used are the green 3 ohm items, they look entirely different from the stock honda items, and work about a hundred times better too! Cheers, Terry. ;D
ditto
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Offline sparty

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Re: Who knows Dyna coils?
« Reply #5 on: July 14, 2006, 08:41:28 AM »
Quote from: Terry in Australia on July 14, 2006, 04:12:35 AM
All the Dyna coils I have used are the green 3 ohm items, they look entirely different from the stock honda items, and work about a hundred times better too! Cheers, Terry. ;D

Ditto again, mine are the green 3ohm type.
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Offline Jerry Rxman Griffin aka MuthaF'er

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Re: Who knows Dyna coils?
« Reply #6 on: July 14, 2006, 08:55:31 AM »
I could ride up and show you it you'd like to see them in person. Dyna III with GREEN coils. The coils do not look like stock coils. I believe they have DYNA on them. The plug wires come off the front and are angled downward at about 30 degrees. Throw both pieces in my box if you don't use them. Good find !!
« Last Edit: July 14, 2006, 09:00:19 AM by RxmanGriff »
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Offline dusterdude

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Re: Who knows Dyna coils?
« Reply #7 on: July 14, 2006, 11:13:39 AM »
you could measure the resistance.
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Offline chippyfive50

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Re: Who knows Dyna coils?
« Reply #8 on: July 14, 2006, 12:46:29 PM »
I have the 5ohm models on my 550, they are Black, and quite similar to the stock item in appearence....
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Offline HondaMan

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Re: Who knows Dyna coils?
« Reply #9 on: July 14, 2006, 06:25:47 PM »
Thanks, all!

I see that I definitely do NOT have some Dyna III coils.

Maybe eBay...
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See SOHC4shop@gmail.com for info about the gadgets I make for these bikes.

The demons are repulsed when a man does good. Use that.
Blood is thicker than water, but motor oil is thicker yet...so, don't mess with my SOHC4, or I might have to hurt you.
Hondaman's creed: "Bikers are family. Treat them accordingly."

Link to Hondaman Ignition: http://forums.sohc4.net/index.php?topic=67543.0

Link to My CB750 Book: https://www.lulu.com/search?adult_audience_rating=00&page=1&pageSize=10&q=my+cb750+book

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Offline MRieck

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Re: Who knows Dyna coils?
« Reply #10 on: July 14, 2006, 07:11:24 PM »
Sudco has sold 30,000 volt coils for quite a while which look the same as stock. Part # was 618-407. They fit 550 and 750's.
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Offline Terry in Australia

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Re: Who knows Dyna coils?
« Reply #11 on: July 14, 2006, 07:18:15 PM »
Quote from: MRieck on July 14, 2006, 07:11:24 PM
Sudco has sold 30,000 volt coils for quite a while which look the same as stock. Part # was 618-407. They fit 550 and 750's.

Got any pics Mike? Who makes 'em? ;D
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So I said, "Hey mate, you haven't got any bike boots you don't need, do you?"

"Crazy is a very misunderstood term, it's a fine line that some of us can lean over and still keep our balance" (thanks RB550Four)

Offline MRieck

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Re: Who knows Dyna coils?
« Reply #12 on: July 14, 2006, 07:31:02 PM »
Quote from: Terry in Australia on July 14, 2006, 07:18:15 PM
Quote from: MRieck on July 14, 2006, 07:11:24 PM
Sudco has sold 30,000 volt coils for quite a while which look the same as stock. Part # was 618-407. They fit 550 and 750's.

Got any pics Mike? Who makes 'em? ;D
I don't have pics Terry. I'll be perfectly honest in I don't know if the still offer them BUT I'd think they do. Go to Sudco's online catalog and see. They came with the proper colored wires and blank coil wires. They were OK. Probably out of Malayasia or something though sold through a Japanese outfit I'd guess.
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Offline HondaMan

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Re: Who knows Dyna coils?
« Reply #13 on: July 14, 2006, 08:39:54 PM »
Drool. 
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See SOHC4shop@gmail.com for info about the gadgets I make for these bikes.

The demons are repulsed when a man does good. Use that.
Blood is thicker than water, but motor oil is thicker yet...so, don't mess with my SOHC4, or I might have to hurt you.
Hondaman's creed: "Bikers are family. Treat them accordingly."

Link to Hondaman Ignition: http://forums.sohc4.net/index.php?topic=67543.0

Link to My CB750 Book: https://www.lulu.com/search?adult_audience_rating=00&page=1&pageSize=10&q=my+cb750+book

Link to website: www.SOHC4shop.com

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Re: Who knows Dyna coils?
« Reply #14 on: July 17, 2006, 08:48:03 PM »
Quote from: Terry in Australia on July 14, 2006, 04:12:35 AM
All the Dyna coils I have used are the green 3 ohm items, they look entirely different from the stock honda items, and work about a hundred times better too! Cheers, Terry. ;D

Yep, I installed the green Dyna 3 Ohm coils for my '75 CB550 restoration and they work just fine! I also put one of Terry's oil coolers on the bike, and it works just fine too!!!  :D
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Offline Terry in Australia

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Re: Who knows Dyna coils?
« Reply #15 on: July 19, 2006, 04:25:15 AM »
Enjoy your cooler mate, and thanks for the plug! cheers, Terry. ;D
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I was feeling sorry for myself because I couldn't afford new bike boots, until I met a man with no legs.

So I said, "Hey mate, you haven't got any bike boots you don't need, do you?"

"Crazy is a very misunderstood term, it's a fine line that some of us can lean over and still keep our balance" (thanks RB550Four)

Offline dusterdude

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Re: Who knows Dyna coils?
« Reply #16 on: July 19, 2006, 06:59:16 AM »
terry said plug,kinda makes ya wonder.
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Offline Terry in Australia

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Re: Who knows Dyna coils?
« Reply #17 on: July 20, 2006, 05:30:34 PM »
Quote from: dusterdude on July 19, 2006, 06:59:16 AM
terry said plug,kinda makes ya wonder.

And there you go Dusty, when you said in a previous post "I bet you a dollar to a donut" I kept quiet when I really wanted to ask you how many dollars worth of donuts I'd need to eat to develop a shape like yours, but I refrained? Kinda makes you wonder, eh? ;D
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I was feeling sorry for myself because I couldn't afford new bike boots, until I met a man with no legs.

So I said, "Hey mate, you haven't got any bike boots you don't need, do you?"

"Crazy is a very misunderstood term, it's a fine line that some of us can lean over and still keep our balance" (thanks RB550Four)
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