SOHC.co.uk Forums > CB500/550

A big thank you!

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B11sey:

--- Quote from: Orcade-Ian on February 18, 2023, 04:13:09 PM ---Thanks Bryan,
I will admit it was a great machine to start from and we've had a particularly crap Winter when being in the workshop was a good option and very few interruptions.  I even refurbished the clocks which I had thought would be next Winters job.

(Attachment Link)

Still have to fit the 069 carbs and airbox

(Attachment Link)

Looks like the clock bracket needs a bit of straightening and bar clamps re-finishing sometime.

Ian

--- End quote ---

I would be really interested in a details of your Speedo/tachometer repairs. Any chance of a picture of the crimping tool you made?

Orcade-Ian:
Hi,
I'll take some pics of the bits that I made to do the job - just done one for a mate with a big Yam but he wanted the 'patina' leaving 'as is' - his was just a broken needle so not so much extra work. Might be tomorrow before I get chance.  The most important bit is to make sure the ring can't spread outwards when you are teasing back the over-crimp.

Ian

I put a short piece on my web site with a Ducati speedo I did - quite a bit different from Honda as unfortunately the ring (brass on that one) was crimped tight flush against the case - it might give you some ideas though
http://www.stallard-engineering.co.uk/stories/Bikes/European/Ducati%20Making%20parts.htm

Johnny4428:
Thanks Ian for the heads up on the 550 on your web site. very pleasant read and my, I am going to have to up my game! Making a very nice job of cleaning her up. Looking forward to seeing it on the road. Be up your way soon “again”, 🤣 just waiting for next dry day.

Orcade-Ian:
It's not Leslie standard though Johnny!  Look forward to your visit - usually out on Wednesdays in the great Metropolis!

For B11sey,
Here area few pics of some of the tools and fixtures:

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This is the ring I made for the Yam tacho

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And the tacho sitting in the ring - gap is for masking tape

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Using the drill press to re-crimp a bit at a time

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And the finished article

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Home made tool to start uncrimping

I sometimes use an old 1/4 woodchisel to start to lift the crimp

The tool in the drill press (stationary!) is a piece of scrap bar with a domed end and you just keep slowly moving to the next point to press down - steady does it and I might go round 4 or 5 times before it's fully home.

Ian

taysidedragon:
Nice job Ian. 👍

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