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Messages - Greenfield

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Singles / Re: B40 Front Hub
« on: 14 October, 2017, 15:15:20 »
I'm all for sympathetic restoration but found quotes for rechroming quite ridiculous. Got a tip for Syd Smith in Sheffield who'll fit new rims and spokes as original at a sensible price so sent mine off last week.

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Singles / Re: b40 amal carb
« on: 02 October, 2017, 09:19:31 »
Yes 1". There seems to be a separate part, stamped '2' on mine possibly pressed into the body, which would make sense if they're producing a range of choke sizes. Someone may have tried to remove this in the past. I think my best bet is to start from scratch with a new carb, rather than refurbing the current one which will never perform as designed. Thanks again for your help.

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Singles / Re: b40 amal carb
« on: 01 October, 2017, 16:09:45 »
Many thanks for that. I now have a pile of bits on the bench, and looking at the parts I appear to have a mix of carb parts. Surprise surprise!
 Do you know how to tell the difference between a 1" and 1 1/16" choke carb? ...and yes the throttle slide is worn.

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Singles / Re: b40 amal carb
« on: 01 October, 2017, 13:39:25 »
Having removed the carb, lifting off the cap with throttle slide, there is a brass tube poking out of the jet block into which the needle goes. this brass tube is flat on top. Is the difference between the carb I have and what should be, a matter of internal parts which can be changed, or do I have to replace the entire unit?

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Singles / b40 amal carb
« on: 01 October, 2017, 09:40:27 »
Checking over my recent b40 (1963) purchase I notice that the carb is an amal 376/231. According to Ratio it should be 376/253. I've managed to start it but its as rough as hell. Can anybody suggest whether this carb will work or do I need to change it. I don't want to start tinkering with settings if its a no goer. Thanks in anticipation.

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