Author Topic: Transistor Ignition for SOHC4 donation  (Read 2013 times)

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Offline HondaMan

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Transistor Ignition for SOHC4 donation
« on: April 28, 2019, 10:32:46 AM »
Hi, all!
I have a refurbished Transistor Ignition that broke and I repaired, will send it to the first one who will donate $50 to this forum (US only, please). Like all of them, it has a Lifetime Warranty, in case you find a way to kill it [again?].
Please post back here after your donation, and when you donate pick the "Yes, show everyone I donated" button so your name shows up on the list of donors.

Thanks for supporting us all!  :)
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

Offline rupaulpierce

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Re: Transistor Ignition for SOHC4 donation
« Reply #1 on: April 28, 2019, 10:56:47 AM »
Wow, i'm on it. Where do I donate?

Offline rupaulpierce

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Re: Transistor Ignition for SOHC4 donation
« Reply #2 on: April 28, 2019, 10:59:04 AM »
Found it! This makes me feel better about blowing it on a set of denoon modified carbs on eBay yesterday.

Offline HondaMan

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Re: Transistor Ignition for SOHC4 donation
« Reply #3 on: April 28, 2019, 01:59:08 PM »
Found it! This makes me feel better about blowing it on a set of denoon modified carbs on eBay yesterday.
Great!
PM your address to me so I can send it out.
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

Offline PeWe

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Re: Transistor Ignition for SOHC4 donation
« Reply #4 on: April 29, 2019, 02:42:19 AM »
Good idea Mark!
 I already have your very well working igntion module on both my CB750's so I donate anyway.  $30 which I need to do more often.
Did it via Tapatalk so I guess its visible somewhere on my real name and email.
CB750 K6-76  970cc (Earlier 1005cc JMR Billet block on the shelf waiting for a comeback)
CB750 K2-75 Parts assembled to a stock K2

Updates of the CB750 K6 -1976
http://forums.sohc4.net/index.php/topic,180468.msg2092136.html#msg2092136
The billet block build thread
http://forums.sohc4.net/index.php/topic,49438.msg1863571.html#msg1863571
CB750 K2 -1975  build thread
http://forums.sohc4.net/index.php/topic,168243.msg1948381.html#msg1948381
K2 engine build thread. For a complete CB750 -75
http://forums.sohc4.net/index.php/topic,180088.msg2088008.html#msg2088008
Carb jetting, a long story Mikuni TMR32
http://forums.sohc4.net/index.php/topic,179479.msg2104967.html#msg2104967

Offline HondaMan

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Re: Transistor Ignition for SOHC4 donation
« Reply #5 on: April 29, 2019, 06:19:32 PM »
Good idea Mark!
 I already have your very well working igntion module on both my CB750's so I donate anyway.  $30 which I need to do more often.
Did it via Tapatalk so I guess its visible somewhere on my real name and email.

Thanks for jumping in, PeWe!
We all benefit. :D
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

Offline rupaulpierce

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Re: Transistor Ignition for SOHC4 donation
« Reply #6 on: May 09, 2019, 12:24:12 PM »
Received today! Thanks Hondaman!


Sent from my iPhone using Tapatalk

Offline HondaMan

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Re: Transistor Ignition for SOHC4 donation
« Reply #7 on: May 09, 2019, 06:57:03 PM »
Enjoy, RP, ride safe!
SharpDevs sent me those stickers I have been putting on them lately. :D
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

Offline PeWe

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Re: Transistor Ignition for SOHC4 donation
« Reply #8 on: May 09, 2019, 08:39:52 PM »
How to make this ignition defective?
I guess: Mount it where water can splash on it, follow leads,   penetrate inside and corrode, shorting the PCB?
CB750 K6-76  970cc (Earlier 1005cc JMR Billet block on the shelf waiting for a comeback)
CB750 K2-75 Parts assembled to a stock K2

Updates of the CB750 K6 -1976
http://forums.sohc4.net/index.php/topic,180468.msg2092136.html#msg2092136
The billet block build thread
http://forums.sohc4.net/index.php/topic,49438.msg1863571.html#msg1863571
CB750 K2 -1975  build thread
http://forums.sohc4.net/index.php/topic,168243.msg1948381.html#msg1948381
K2 engine build thread. For a complete CB750 -75
http://forums.sohc4.net/index.php/topic,180088.msg2088008.html#msg2088008
Carb jetting, a long story Mikuni TMR32
http://forums.sohc4.net/index.php/topic,179479.msg2104967.html#msg2104967

Offline HondaMan

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Re: Transistor Ignition for SOHC4 donation
« Reply #9 on: May 21, 2019, 07:18:44 PM »
How to make this ignition defective?
I guess: Mount it where water can splash on it, follow leads,   penetrate inside and corrode, shorting the PCB?

Ah, ha! You remember that guy! :D
That poor rider...he rode all the way across the USA from the East Coast to Colorado in the rain, almost every day. He had mounted the box so the wire entry was pointing upward and the rain would trickle along the Black wire from under the tank and slowly drip in thru the rubber vent. By about 2 PM each day it would submerge the [lower] half of the circuit board and short out the 2-3 side of the box. He then unplugged the wires and plugged the points back in and rode on: during each night the heat from the engine was boiling off enough water inside that the box worked again the next day. He kept hooking it back up because the bike ran better until it did this, for (I think) 3 days in a row (now, THAT is tenacity!). By the time he got here he decided to open the box to see what was up: he poured out about 2 ounces of water! I gave him a new one and I have his old one on my bench to remind me  about it. After it dried back out, it works fine! It has a high-water mark inside, almost 1.25" deep from the back end of the box. :)
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

Offline PeWe

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Re: Transistor Ignition for SOHC4 donation
« Reply #10 on: May 21, 2019, 09:17:09 PM »
OK, that's strong, most electronics should throw in much earlier ;D
Both my units sits very dry, no chance that water can follow any lead into the unit.
I put it in my tool compartment on my K2. It need no tools ;D ;D
http://forums.sohc4.net/index.php/topic,168243.msg2055376.html#msg2055376
It is the power wire from front that has extra protection in black from the coils where it get 12V. One extra ear on the Dyna coil power connection.

My K6 has smaller battery lower 11Ah to get it on top of it under the rubber strap. It is a sealed battery and hopefullly no bad vapor. The ign module has some extra insulation strapped around it, vulc tape.
This has 12V just behind the corner since it has a relay under left cover for ignition.

My K2 has no relays at all (NOS ign switch). My K6 has 5 (cheap aftermarket switch) ;D
Both has LED H4 to make life easier for the electrical connectors eating less amps.
CB750 K6-76  970cc (Earlier 1005cc JMR Billet block on the shelf waiting for a comeback)
CB750 K2-75 Parts assembled to a stock K2

Updates of the CB750 K6 -1976
http://forums.sohc4.net/index.php/topic,180468.msg2092136.html#msg2092136
The billet block build thread
http://forums.sohc4.net/index.php/topic,49438.msg1863571.html#msg1863571
CB750 K2 -1975  build thread
http://forums.sohc4.net/index.php/topic,168243.msg1948381.html#msg1948381
K2 engine build thread. For a complete CB750 -75
http://forums.sohc4.net/index.php/topic,180088.msg2088008.html#msg2088008
Carb jetting, a long story Mikuni TMR32
http://forums.sohc4.net/index.php/topic,179479.msg2104967.html#msg2104967

Offline Mooshie

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Re: Transistor Ignition for SOHC4 donation
« Reply #11 on: May 22, 2019, 08:51:50 AM »
 Hey Hondaman-- Those stickers are great! I need one of those for Dash.  I want to put it on his fairing!  8)
1976 CB550F
Standard disclaimer: Remember I am just a girl--so be nice fellows!

Offline HondaMan

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Re: Transistor Ignition for SOHC4 donation
« Reply #12 on: May 22, 2019, 06:11:05 PM »
Hey Hondaman-- Those stickers are great! I need one of those for Dash.  I want to put it on his fairing!  8)
PM me your mailing address. I only have a few left! I don't know where he had them made or I would make some more. :)
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

Offline HondaMan

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  • Really Old Timer ...
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  • Posts: 13,942
  • ...not my choice, I was nicknamed...
    • Getting 'em Back on the Road
Re: Transistor Ignition for SOHC4 donation
« Reply #13 on: May 22, 2019, 06:13:56 PM »
OK, that's strong, most electronics should throw in much earlier ;D
Both my units sits very dry, no chance that water can follow any lead into the unit.
I put it in my tool compartment on my K2. It need no tools ;D ;D
http://forums.sohc4.net/index.php/topic,168243.msg2055376.html#msg2055376
It is the power wire from front that has extra protection in black from the coils where it get 12V. One extra ear on the Dyna coil power connection.

My K6 has smaller battery lower 11Ah to get it on top of it under the rubber strap. It is a sealed battery and hopefullly no bad vapor. The ign module has some extra insulation strapped around it, vulc tape.
This has 12V just behind the corner since it has a relay under left cover for ignition.

My K2 has no relays at all (NOS ign switch). My K6 has 5 (cheap aftermarket switch) ;D
Both has LED H4 to make life easier for the electrical connectors eating less amps.
That's a unique mount! Usually they go in under the rear of the battery tray, resting against the rear plastic fender, tie-wrapped to the back of the battery tray. I have seen some under the battery box (like mine is) on the 750, and some in the tail trunk of the F0/1 bikes.
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

Offline PeWe

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Re: Transistor Ignition for SOHC4 donation
« Reply #14 on: May 23, 2019, 11:02:33 AM »
I had to be sure to give the ign module a dry and cozy placement ;)
CB750 K6-76  970cc (Earlier 1005cc JMR Billet block on the shelf waiting for a comeback)
CB750 K2-75 Parts assembled to a stock K2

Updates of the CB750 K6 -1976
http://forums.sohc4.net/index.php/topic,180468.msg2092136.html#msg2092136
The billet block build thread
http://forums.sohc4.net/index.php/topic,49438.msg1863571.html#msg1863571
CB750 K2 -1975  build thread
http://forums.sohc4.net/index.php/topic,168243.msg1948381.html#msg1948381
K2 engine build thread. For a complete CB750 -75
http://forums.sohc4.net/index.php/topic,180088.msg2088008.html#msg2088008
Carb jetting, a long story Mikuni TMR32
http://forums.sohc4.net/index.php/topic,179479.msg2104967.html#msg2104967

Offline TwoTired

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Re: Transistor Ignition for SOHC4 donation
« Reply #15 on: May 23, 2019, 03:55:46 PM »
Tsk Tsk.  No option for water cooling.  Meh...


 ;D
Lloyd... (SOHC4 #11 Original Mail List)
72 500, 74 550, 75 550K, 75 550F, 76 550F, 77 550F X2, 78 550K, 77 750F X2, 78 750F, 79CX500, 85 700SC, GL1100

Those that learn from history are doomed to repeat it by those that don't learn from history.