Author Topic: stamped nbrs on casing ??  (Read 916 times)

Offline tenko

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stamped nbrs on casing ??
« on: 25.10. 2011 22:15 »
I have a 1954 engine nbr ca7 837  but underneath this  is another stamped number  ERS 1176 or maybe BRS not sure can anyone spread some light-- please see piccie.


Offline pato08

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Re: stamped nbrs on casing ??
« Reply #1 on: 25.10. 2011 23:01 »
I have a set of casings with the same, I have been advised by members on this forum it stands for "Engine Replacement Service" If you blew up your cases BSA would send out new ones to you.
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Offline tenko

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Re: stamped nbrs on casing ??
« Reply #2 on: 26.10. 2011 05:55 »
Would this affect the year/date of the engine,will it have different internals,or would they have replaced like for like,or is it just the casings.  ;)

Online RichardL

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Re: stamped nbrs on casing ??
« Reply #3 on: 26.10. 2011 06:57 »
I'll guess BSA replaced like for like. 

Don't we all just wish there was still a BSA Engine Replacement Service that would send out new crankcases for around 40 GBP?
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Offline tenko

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Re: stamped nbrs on casing ??
« Reply #4 on: 26.10. 2011 08:53 »
I found some more info , If you go to  
www.bsa-c15.org.uk
scroll down to nearly the bottom left side of page to  "exchange scheme" ,you will see a good explanation of this service,oh and some really good prices.   I can still remember when you got 240 pennies to a pound,my pocket money used to be 6d, i'll just get me coat.

Online RichardL

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Re: stamped nbrs on casing ??
« Reply #5 on: 26.10. 2011 19:39 »
Very interesting price lists.  Complete "A" series engine for 44 GBP.  Using a UK inflation calculator,  amounts to a new engine at 887 GBP in today's money. I'd do it.

Richard L.
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Plan on signing up for the world-wide 2020 DISTINGUISHED GENTLEMAN'S RIDEon September 27, 2020. This year it's a solo or pillion ride in dapper attire. Watch website at https://www.gentlemansride.com for details.


Offline jjbsa

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Re: stamped nbrs on casing ??
« Reply #6 on: 29.10. 2011 13:02 »
The chat here reminds me of when I was a young lad in the early 60s.  Each summer I would make a trip to Armoury Road to get bits for my home built RGS lookalike.  The BSA people were so friendly and helpful.  One time I had had a D/S main outer move in the case and I took it along.  They gave me a matching pair of new cases, stamped with my old numbers (and no ERS stamping) for the price of a crankcase half.  It was so easy to keep a BSA in 100% trim on those days.  Their replacement crank service, regrind and all shells, cost £4 15s.  Often I'd go to Eddie Dows, who was only a bit north of Birmingham, and get some of his drool kit.  Good times!
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