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Author Topic: What is this?  (Read 5462 times)

Offline deltarider

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What is this?
« on: May 27, 2023, 09:55:39 AM »
In the garage bike fell over on its LH side and there is some damage.
The switch unit as a hole, 35200-341-600 is NA. The European CB500K2 shares this part with:
CB750K6 FOUR AUSTRALIA
CB750K6 FOUR ENGLAND
CB750K6 FOUR EUROPEAN DIRECT SALES
CB750K6 FOUR FRANCE
CB750K6 FOUR GENERAL EXPORT KPH MPH
CB750K6 FOUR GERMANY
Option 1 is to buy a complete repro for € 123,57 at Honda4.NL. https://honda4parts.nl/product_info.php?products_id=2621 Quality unkown and it involves a lot of labour.
Option two is to fit just another clutch handle. A friend has one for me.
Now my model has that mini switch that prevents starting when bike is in gear unless clutch is pulled. I like to keep it that way.
I've searched the garagefloor for eventual dropped parts and I found this little half moon. BTW, the black little thing in the same picture is possibly not from my bike (it probably was already there on the floor).
My question is: what is this little half moon shaped part from and is it possibly supposed to be in between the miniswitch and the clutch lever and, if so, how should it be oriented?
When I opt for the cheap option, there is still a new spot for the mirror to be found. Do you guys know of something I can fit around the steel of the handlebar which can accomodate my mirror. Not original, but I can live with that.
« Last Edit: May 27, 2023, 09:58:20 AM by deltarider »
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Offline McCabe-Thiele (Ted)

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Re: What is this?
« Reply #1 on: May 27, 2023, 10:37:31 AM »
That unidentified part looks like a Woodruff key - I don't think Hondas have them.
« Last Edit: May 27, 2023, 12:34:06 PM by McCabe-Thiele (Ted) »
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Honda CB400NA Superdream (current money puddle)
Honda CB500 K1 (second money pit)
https://www.sohc.co.uk/index.php/topic,28541.0.html
Honda CB400 four super sport (first money pit)
Link to my full restoration http://www.sohc.co.uk/index.php/topic,23291.0.html
This is a neat 500 restoration in the USA.
http://forums.sohc4.net/index.php/topic,151576.msg1731556.html#msg1731556

Offline Bryanj

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Re: What is this?
« Reply #2 on: May 27, 2023, 12:32:23 PM »
And the other bit a hammer wedge
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Offline Bryanj

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Re: What is this?
« Reply #3 on: May 27, 2023, 12:34:41 PM »
Also you can just fit a new lever blade and do without the mirror if that is legal where you are, im sure somebody  will be able to find either a used half switch or complete for you
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Offline Matt_Harrington

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Re: What is this?
« Reply #4 on: May 27, 2023, 01:44:36 PM »
Once disassembled, I'm sure you could get the main body welded up....
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Offline deltarider

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Re: What is this?
« Reply #5 on: May 27, 2023, 03:07:04 PM »
Thanks guys. The same friend that has the lever, also has a complete used original unit he is willing to sell, so that is the way I'd like to go which means I can just fit the mirror again where it belongs. It involves some work ofcourse. I have always managed to circumvent this through-the-handlebar replacing of wires chore, but I guess it's my turn now. Others did it, so it must be doable.
@ Bryanj. My model bike is still streetlegal without mirrors, but - to be honest - it's a bit risky imo. The bike looks much nicer without them and I was often tempted to ride withouth them. But nowadays my head/neck arrangement doesn't turn so easily anymore, so better to stay on the safe side.
@Matt. I am not sure the broken part can be welded again, but I'm no expert.
Oh and the mystery of that little half moon shaped thingy is solved. I remember now I've helped my neighbour some months ago fitting an EI on his '64 Puch MS50V and that we had to remove a wedge from his crank. We did this at the very same spot in the garage.
« Last Edit: May 27, 2023, 03:09:28 PM by deltarider »
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Offline Oddjob

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Re: What is this?
« Reply #6 on: May 27, 2023, 03:19:35 PM »
Quote from: McCabe-Thiele (Ted) on May 27, 2023, 10:37:31 AM
That unidentified part looks like a Woodruff key - I don't think Hondas have them.

Actually they do Ted, there are 2 fitted to the 500/550 and most likely the other SOHCs as well.

Can you guess where they are?
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Offline Bryanj

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Re: What is this?
« Reply #7 on: May 27, 2023, 04:07:24 PM »
Please sir can i gues cana cana
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Offline mickwinf

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Re: What is this?
« Reply #8 on: May 27, 2023, 04:26:39 PM »
hmm dont know
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Offline Oddjob

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Re: What is this?
« Reply #9 on: May 27, 2023, 05:26:22 PM »
Quote from: Bryanj on May 27, 2023, 04:07:24 PM
Please sir can i gues cana cana

No, you know where they are, that's cheating. If you didn't know I'd be more surprised
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Kids in a the back seat cause accidents.
Accidents in the back seat cause kids.

Offline McCabe-Thiele (Ted)

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Re: What is this?
« Reply #10 on: May 27, 2023, 05:27:27 PM »
Not ringing any bells with me must be somewhere that I have not taken apart  - two you say Ken go one where do they go?
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Honda CB400NA Superdream (current money puddle)
Honda CB500 K1 (second money pit)
https://www.sohc.co.uk/index.php/topic,28541.0.html
Honda CB400 four super sport (first money pit)
Link to my full restoration http://www.sohc.co.uk/index.php/topic,23291.0.html
This is a neat 500 restoration in the USA.
http://forums.sohc4.net/index.php/topic,151576.msg1731556.html#msg1731556

Offline Oddjob

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Re: What is this?
« Reply #11 on: May 27, 2023, 05:29:44 PM »
They are fitted underneath the 2 lifter arms on the carb shaft, they key the lifter arms to the shaft so there is no chance of slippage.
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Kids in a the back seat cause accidents.
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Offline Bryanj

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Re: What is this?
« Reply #12 on: May 27, 2023, 07:11:42 PM »
But they are way smaller than the one in the pic!
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Offline deltarider

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Re: What is this?
« Reply #13 on: May 28, 2023, 08:49:18 AM »
I'm afraid my info above was not a 100% accurate. The parts list shows the clutch switch cable is not an integral part of the complete unit, but a part that can be separetely ordered. In Hondaspeak: SWITCH ASSY., CLUTCH LEVER. It's #6 in the pic. https://images.cmsnl.com/img/partslists/honda-cb500k2-general-export-f-3-handle-lever-switch-cable_big3IMG01171125_2021.gif
Question: what is the black/yellow wire on Honda's for?
« Last Edit: May 28, 2023, 10:08:19 AM by deltarider »
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Offline Bryanj

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Re: What is this?
« Reply #14 on: May 28, 2023, 10:17:59 AM »
Black/Yellow is a lighting wire from memory but you cant rely on the wire colours of that switch as the front brake light switch on the small drum braked bikes(up to 125ish) is the same fit with different colours and there was a time when clutch switches were in short supply so brake ones got fitted
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