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Amal TT

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Can anyone assist please: is this a standard Amal TT carburettor? The inlet tube is missing. I'll be in touch with Surrey Carbs later, but the Amal publication says that the air tube must be factory fitted. Obviously that won't happen although I do have access to a lathe.

I can't work out how the air tube could fit on this thread. 1.80 ins outside diameter.

Thanks

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It turns out this seems to be an AMAC TT carb.  So now I need to find out if it should even have an air tube.  The one it had yesterday made a successful bid for freedom on the A3 last night, somewhere west of London.  Looks like a bit of exasperating lathe work...if I can find out what shape it is supposed to be.

It seems a shame, but another carb beckons...the money pit is opening up!

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Thanks very much, Michael. So he has no more  but at least I now know what it should look like, so it might justify the presence of my seldom used lathe! I didn't even know exactly what carb it has...Amac or Amal...

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hello I do have a Amal parts cataloge in my persestion  and there is a lot of information about the Amal  TT 10 and TT15  and GP  Carbuettors    so anyone needing some info contact me on annajeannette@btinternet.com     yours  anna J  

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Michael - thanks for the pictures - it appears to be identical.  I can't quite work out what sort of bell mouth yours has.  I doubt if its absence will make the slightest difference on the road anyway.  But I should cover the thread anyway.

And thanks, Anna.  I found the Amal TT instructions on the internet the other day.  I'll start playing with it on Saturday (weather and wife permitting...)

 

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That's interesting, thanks, Michael.

Surrey Cycles (the Amal man) told me the current TT inlet will not fit because the new versions of the carb have an internal thread where mine is external.  That's why he thought it was an Amac. 

I've found 45mm OD fittings with air filters, which claim to contain a bell mouth, but they are held with Jubilee clips (I think to fit Mikuni).  Not pretty (but probably practical).

I see that, just like the post war lists, yours tells the owner to send in his carb so the air tube can be properly fitted... some hope!

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Hi David,

   Your carb is an Amal 10TT and was fitted to standard Inters from 1932 to '39. This was developed from the 1920s Amac racing carb after the carburettor companies had been AMALgamated during the depression. The Amal type 27 track carb looks to have a similar size bellmouth, but I have never compared them to know for definite. Try Martin Bratby as he makes many carburettor parts as this is his speciality and he is very knowledgeable on older carbs. You will need to turn back technology if you buy by post as he doesn't do cards, only cheques or postal orders.

 

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