Other Stuff > Desperately Seeking!!

Chronometric Speedometer

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taysidedragon:
It looks good. Quick work too. Well done. 👍

Johnny4428:
If that’s the one that was on here a few days ago Phil that’s a great job. Take it you sourced the parts you were after for it?

Sesman:
Hi, Johnny.

Yes, it’s the same one. The spares came from a bizarre source; i’ve relayed the story to your pal who offered the used Chronometric, but I won’t share it here as it’s a bit embarrassing and might offend some folk🫣. I turned the offer down as I didn’t want to butcher a complete, working unit just to preserve the authenticity of my own.

It’s been hell of a battle. The timing mechanism was quite easy to strip and reassemble, but the odometer and trip tumblers were a complete nightmare and really need special tools and methods. For example, to reassemble the trip tumblers I had to insert the pivot pin from the opposite direction, assemble the tension spring, spacers and trip tumblers in reverse order, extract the pin without disturbing anything then reinsert it from the correct end! It took about 5 attempts to succeed. Talk about tricks and tips I had to learn that for myself🤨


I can’t find replacement number strips anywhere, though I have a solution in the making. I was lucky as I managed to source some spares from a very friendly lady at Timeless Motorcycles.

Laverda Dave:
Very nice work Phil.
Is this going on your Triton or your RC30 :)
Can you share a photo of your Triton please, I like to see Triton's being so individual.

McCabe-Thiele (Ted):

--- Quote from: Sesman on January 23, 2025, 08:31:09 PM ---But with none of the Rolex accuracy or durability🤨.

--- End quote ---

There was me in 1965 thinking my Twenty One was such a fast bike as it cruised along the A6 at an easy 90 mph. It was probably only just touching 70 mph if that! ☹️☹️☹️

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