Cometa speedo drive

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Cometa speedo drive

Post  bjhart on Thu Jul 21, 2016 12:19 pm

Hi, my Speedo has stopped working I think I may have lost a part of drive, can anyone upload an image or diagram showing all the bits please?

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Re: Cometa speedo drive

Post  mickey c on Fri Jul 22, 2016 2:01 am

Hi
I don't have picture but this link does, if you have good eye sight!
hope it helps and if not, I am sure someone else will be able to.
http://www.lambretta-club-deutschland.de/downloads/download/Explosionszeichnungen_Luna-Lui-Vega-Cometa.pdf

if this link doesn't work and to state the obvious I grabbed form German Lambretta club website.

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Re: Cometa speedo drive

Post  bjhart on Fri Jul 22, 2016 4:20 am

Thank you , but I already have those diagrams, they don't show the components that make up the drive, the problem comes as the press fit part is loose (the knurl is worn)....ideally I would like the dimensions of the missing bit so if possible I can have a few made, in case it happens again. I will also look to see if I can improve the knurl or ensure it fits more securely in the future


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Re: Cometa speedo drive

Post  Scooter Paul on Fri Jul 22, 2016 6:45 am

It might be worth checking to see wether this drive is used on other Italian bikes or mopeds. It could well be that they can be had for little money from other sources.
Paul.
I do have a couple of incomplete ones for spares if anyone wants to experiment. Free!!!! Postage at cost.
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Re: Cometa speedo drive

Post  bjhart on Fri Jul 22, 2016 10:35 am

Hi scooter Paul

What bits do you have? I have got
the drive that fits to the wheel and the brass bush that pushes into the Ali part

I just need the bit that transfers the drive from the wheel to the cable, I can't think what it looks like

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Re: Cometa speedo drive

Post  Scooter Paul on Sat Jul 23, 2016 7:09 am

I think that's the bit I'm missing from both of mine.
Paul
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Re: Cometa speedo drive

Post  bjhart on Sat Jul 23, 2016 10:00 am

Ok, typical, thanks anyway

Still looking for a diagram please?

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Re: Cometa speedo drive

Post  Snails on Mon Jul 25, 2016 3:45 am

bjhart wrote:Hi, my Speedo has stopped working I think I may have lost a part of drive, can anyone upload an image or diagram showing all the bits please?

I'm sure I saw a really good one somewhere but cant remember where. It may be worth while having a root through the old posts as good chance it was here
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