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Author Topic: 1976 Honda cb750K Electrical Question  (Read 712 times)

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Offline BenelliSEI

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1976 Honda cb750K Electrical Question
« on: November 09, 2023, 03:04:41 PM »
Working through some missing bits for my K6 Project. This small piece is plugged into the wiring harness. Two prong, to the wires pictured. Any guesses? I need to pull the specific wire harness diagram and remind myself!
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Offline denward17

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Re: 1976 Honda cb750K Electrical Question
« Reply #1 on: November 09, 2023, 03:24:52 PM »
Flasher?  really no idea..
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Offline jonda500

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Re: 1976 Honda cb750K Electrical Question
« Reply #2 on: November 09, 2023, 04:01:17 PM »
maybe starter safety unit (diode)? John
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Remember that an ignoramus is only someone who doesn't know something you just learned yesterday!

A starter clutch thread:
http://forums.sohc4.net/index.php/topic,122084.0.html
1972 CB500K1 original 4 owner bike
1972 CB500K1 returned to complete/original condition
1975 CB550F built from parts - project thread:
http://forums.sohc4.net/index.php/topic,149161.msg1711626.html#msg1711626
197? CB500/550 constructing from left over parts
1998 KTM 380 (two stroke) recent impulse buy, mmmm...

Offline BenelliSEI

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Re: 1976 Honda cb750K Electrical Question
« Reply #3 on: November 09, 2023, 04:31:30 PM »
Quote from: jonda500 on November 09, 2023, 04:01:17 PM
maybe starter safety unit (diode)? John

Maybe?
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Offline flybackwards

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Re: 1976 Honda cb750K Electrical Question
« Reply #4 on: November 09, 2023, 05:00:33 PM »
I'm going for a diode block for the starter interlock...seem to remember a similar item on my K7.
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Offline bryanj

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Re: 1976 Honda cb750K Electrical Question
« Reply #5 on: November 09, 2023, 05:09:11 PM »
Yup, diode for starter circuit
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Semi Geriatric ex-Honda mechanic and MOT tester (UK version of annual inspection). Garage full of "projects" mostly 500/4 from pre 73 (no road tax in UK).

Remember "Its always in the last place you look" COURSE IT IS YOU STOP LOOKIN THEN!

Offline HondaMan

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Re: 1976 Honda cb750K Electrical Question
« Reply #6 on: November 09, 2023, 05:16:04 PM »
^^ like Bryan said.
I remove them, myself. Silly parts. IMHO...
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See SOHC4shop.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 My CB500/CB550 Book: https://www.lulu.com/search?sortBy=RELEVANCE&page=1&q=my+cb550+book&pageSize=10&adult_audience_rating=00
Link to website: https://sohc4shop.com/  (Note: no longer at www.SOHC4shop.com, moved off WWW. in 2024).

Offline BenelliSEI

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Re: 1976 Honda cb750K Electrical Question
« Reply #7 on: November 09, 2023, 05:35:42 PM »
Quote from: HondaMan on November 09, 2023, 05:16:04 PM
^^ like Bryan said.
I remove them, myself. Silly parts. IMHO...

I usually do to, and jumper them out like I learned here, ages ago. Recently I bought a box of NOS cb750 parts and guess what? A new safety switch. This bike might actually have one (until it fails!).
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Offline BenelliSEI

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Re: 1976 Honda cb750K Electrical Question
« Reply #8 on: November 09, 2023, 05:55:45 PM »
Quote from: jonda500 on November 09, 2023, 04:01:17 PM
maybe starter safety unit (diode)? John


Checked and CORRECT! Diode, connected to the clutch lever, then to safety switch.
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Offline HondaMan

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Re: 1976 Honda cb750K Electrical Question
« Reply #9 on: November 09, 2023, 06:43:36 PM »
Quote from: BenelliSEI on November 09, 2023, 05:35:42 PM
Quote from: HondaMan on November 09, 2023, 05:16:04 PM
^^ like Bryan said.
I remove them, myself. Silly parts. IMHO...

I usually do to, and jumper them out like I learned here, ages ago. Recently I bought a box of NOS cb750 parts and guess what? A new safety switch. This bike might actually have one (until it fails!).

The CB550 resto guys might want those!
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See SOHC4shop.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 My CB500/CB550 Book: https://www.lulu.com/search?sortBy=RELEVANCE&page=1&q=my+cb550+book&pageSize=10&adult_audience_rating=00
Link to website: https://sohc4shop.com/  (Note: no longer at www.SOHC4shop.com, moved off WWW. in 2024).

Offline BenelliSEI

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Re: 1976 Honda cb750K Electrical Question
« Reply #10 on: November 10, 2023, 05:30:52 AM »
Quote from: HondaMan on November 09, 2023, 06:43:36 PM
Quote from: BenelliSEI on November 09, 2023, 05:35:42 PM
Quote from: HondaMan on November 09, 2023, 05:16:04 PM
^^ like Bryan said.
I remove them, myself. Silly parts. IMHO...

I usually do to, and jumper them out like I learned here, ages ago. Recently I bought a box of NOS cb750 parts and guess what? A new safety switch. This bike might actually have one (until it fails!).

The CB550 resto guys might want those!

Are they very hard to find? I just found this one in a stash of parts I bought.
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