hello!
im new here, so here some info about me..
my name is Hans-Martin
i live in norway,smal town called Halden, 36 years, works as a mechanic.
iwe had my bsa for 5 years, has been a good runner..
reasently done the mag/dyn, now the carb is next..
it is a 276/014r.

i have a m20 with the enginenumber xm20 4302
and the framenumber xm20 4200
is that an original number and if so could anyone tell me a litle about it?

i have been told it is a 47 mod.

thanks
Hans-Martin

email (option): autohans@halden.net

Hi Hans Martin,

Your frame and engine numbers are the original combination from when it left the factory 29-01-1947 and it went to a dealer in Birmingham.

I can send you a scan of the factory ledger page if you want.

The carburettor is a 1940 model and I guess yours should have a 276C/1B. Basically they are same carburettors.

Henk.

email (option): ahum@quicknet.nl

Hi Henk and thank you very much!:9

please send me a scan of the ledger.

i think the carb is pretty worn out...
is there an easy way to adjust it? or maby just buy a new one...

thanks!
hans-martin

email (option): autohans@halden.net

I have never had a carburettor repaired but there are people doing that and it seems they do a pretty good job. New carburettor are available but pretty expensive. I am sure other people on the forum can help you to find the right guy to restore your carburettor.

I'll send you a scan of that page.

Henk.

email (option): ahum@quicknet.nl

thanks for the scan Henk!

i'll try to adjust the carb one more time.

thanks again!
hans-martin

email (option): autohans@halden.net

The main problem is when the body is worn. We have a guy here in UK who can re-bore your body and make an oversize slide. It usually only requires a thou or two in oversize. An average carb re-furb can be anything from about £80-£120. Or brand new Amal carb for about £300. Ron

email (option): ronpier@talk21.com