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Author Topic: Gerex Electronic Ignition: Anyone familiar?  (Read 3560 times)

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Offline johnny

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Gerex Electronic Ignition: Anyone familiar?
« on: September 09, 2011, 08:23:04 PM »
Picked this up today for cheap.



I can't find much info. about it on the interwebs. I was told it is
from the seventies and fits Honda Fours (indicated on the original
box). I thought it may have value to someone. Or did I just buy a
fancy doorstop?
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1976 CB550K
1974 CB350F http://forums.sohc4.net/index.php?topic=81781.0
1974 CB550K
1972 CB350 Twin
1965 Lambretta
196(?) Honda S90
1975 Ford Bronco

Offline scottly

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Re: Gerex Electronic Ignition: Anyone familiar?
« Reply #1 on: September 09, 2011, 09:17:28 PM »
Oh my! :o Major score! ;D I've got one; it was installed on my bike when I bought it in '79. Excellent multi-spark ignition system. Oops, I meant to say yeah, it's a doorstop... send it to me and I will reimburse you for the postage. ;)
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Offline Jerry Rxman Griffin aka MuthaF'er

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Re: Gerex Electronic Ignition: Anyone familiar?
« Reply #2 on: September 09, 2011, 10:02:37 PM »
I have one that is totally identical to that. NOS box and all! Can't say that I know much about it yet as I haven't installed it nor looked into it yet.
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Offline scottly

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Re: Gerex Electronic Ignition: Anyone familiar?
« Reply #3 on: September 09, 2011, 10:12:08 PM »
I've got a copy of the installation instructions somewhere that I downloaded off the internet, most likely from a link on Axl's site. Gerry had a sense of humor... ;)
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Don't fix it if it ain't broke!
Helmets save brains. Always wear one and ride like everyone is trying to kill you....

Offline Jerry Rxman Griffin aka MuthaF'er

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Re: Gerex Electronic Ignition: Anyone familiar?
« Reply #4 on: September 09, 2011, 10:44:55 PM »
Mine  probably has the instructions but I'm working on the road..
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As of today 3/13/2012 my original owner 75 CB750F has made it through 3 wives, er EX-wives. Free at last.  ;-)

Offline seanbarney41

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Re: Gerex Electronic Ignition: Anyone familiar?
« Reply #5 on: September 09, 2011, 11:16:39 PM »
...what'd ya do?...trade a bunch of #$%*ty records for it?... ;D
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Offline Danno

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Re: Gerex Electronic Ignition: Anyone familiar?
« Reply #6 on: September 10, 2011, 01:32:30 AM »
looks like it was meant to fit any of the fours including the GL1000 it has a smaller points housing
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Offline Terry in Australia

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Re: Gerex Electronic Ignition: Anyone familiar?
« Reply #7 on: September 10, 2011, 01:37:41 AM »
I've got one here that I bought for my Suzuki GS1000S, a friend in the US bought an RC Engineering modified GS with the Gerex fitted as part of the hop up, I bought him a Dyna S and he sent me the Gerex, I thought that was a fair trade, I know the gerex was very expensive "back in the day". Good pickup mate! ;D
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Offline johnny

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Re: Gerex Electronic Ignition: Anyone familiar?
« Reply #8 on: September 10, 2011, 02:40:03 AM »
Quote from: seanbarney41 on September 09, 2011, 11:16:39 PM
...what'd ya do?...trade a bunch of #$%*ty records for it?... ;D

I wish.  ;)
I found a guy locally selling some motorcycle parts via a classified ad. When I arrived, I discovered he had a four car garage and a 10,000 square foot warehouse full of bikes and parts. I told him what bikes I had and he just started pulling parts he knew he had. Thus, the Gerek ignition and the Mac exhaust I have listed in the classifieds currently. He certainly didn't give them away but his prices were fair enough to where I figured I could make a quick (modest) profit.
I was able to locate installation instructions for the Gerex online.
Thanks for the replies! I guess I'll throw it up on the Bay and see what the market will pay.
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1976 CB550K
1974 CB350F http://forums.sohc4.net/index.php?topic=81781.0
1974 CB550K
1972 CB350 Twin
1965 Lambretta
196(?) Honda S90
1975 Ford Bronco

Offline Terry in Australia

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Re: Gerex Electronic Ignition: Anyone familiar?
« Reply #9 on: September 10, 2011, 04:22:41 AM »
Post a link to that auction mate, I might just bid on it! 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 johnny

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Re: Gerex Electronic Ignition: Anyone familiar?
« Reply #10 on: September 10, 2011, 05:37:43 AM »
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1976 CB550K
1974 CB350F http://forums.sohc4.net/index.php?topic=81781.0
1974 CB550K
1972 CB350 Twin
1965 Lambretta
196(?) Honda S90
1975 Ford Bronco

Offline Terry in Australia

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Re: Gerex Electronic Ignition: Anyone familiar?
« Reply #11 on: September 10, 2011, 03:53:41 PM »
Quote from: johnny on September 10, 2011, 05:37:43 AM
http://cgi.ebay.com/ebaymotors/_W0QQcmdZViewItemQQ_trksidZp3984Q2em1555Q2el2649QQitemZ380368621662QQsspagenameZSTRKQ3aMESELXQ3aIT

Free domestic shipping to sohc members! Just let me know prior to payment.

Thanks mate, it's on my watch list! 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 Terry in Australia

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Re: Gerex Electronic Ignition: Anyone familiar?
« Reply #12 on: September 17, 2011, 03:51:43 AM »
Bummer, I missed it by 5 bucks! Oh well, I've got another used Gerex here, I'll have to install it instead. 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 johnny

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Re: Gerex Electronic Ignition: Anyone familiar?
« Reply #13 on: September 17, 2011, 05:38:41 AM »
Thanks for your interest, Terry. To be honest, I'm quite surprised with how much it sold for.
http://tinyurl.com/3hweyuq
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1976 CB550K
1974 CB350F http://forums.sohc4.net/index.php?topic=81781.0
1974 CB550K
1972 CB350 Twin
1965 Lambretta
196(?) Honda S90
1975 Ford Bronco

Offline Terry in Australia

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Re: Gerex Electronic Ignition: Anyone familiar?
« Reply #14 on: September 17, 2011, 06:14:55 AM »
No worries mate, I'm glad you got some decent money for it. Back in the day they were really expensive (that's what killed them off, Dyna's were a quarter of the price) but I've heard that they were really, really good, so I'm hoping the one I've got here for a Suzuki GS1000 will work on my 750. I might have to modify my rotor, but the kit I've got is all there including the Gerex coils, so I either sell it and by a Dyna 2000, or I have a play with it. 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 scottly

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Re: Gerex Electronic Ignition: Anyone familiar?
« Reply #15 on: September 17, 2011, 08:47:52 PM »
Hey Terry, what is the primary/secondary resistance on the Gerex coils?
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Don't fix it if it ain't broke!
Helmets save brains. Always wear one and ride like everyone is trying to kill you....

Offline Terry in Australia

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Re: Gerex Electronic Ignition: Anyone familiar?
« Reply #16 on: September 18, 2011, 07:00:21 AM »
Quote from: scottly on September 17, 2011, 08:47:52 PM
Hey Terry, what is the primary/secondary resistance on the Gerex coils?

G'Day Mate, I'll double check for you tomorrow, but from memory, they don't have any markings on them at all? They just look like a couple of aluminum bodied car coils? I'll snap a pic for you after work. 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)
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