Print Page - A10 Crankcase letters

Title: A10 Crankcase letters
Post by: Admin on 06 Apr, 2025, 10:48

I have an 1962 Super Rocket with these marking stamped on the crankcase
EFR R-C

Can anyone shed any light on what they mean?

(https://bsaownersclub.co.uk/images/CA10-efr.png)

Rob

Title: Re: A10 Crankcase letters
Post by: V500 on 06 Apr, 2025, 21:30

More home-made than Grandma's cake..

Title: Re: A10 Crankcase letters
Post by: DAVE BRADY on 06 Apr, 2025, 22:13

Hi,

I don't know for sure but I think a '62 would be DA10 and HHC is for high compression and perhaps Road Rocket cases. EFR R-C??????

Dave.

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The BSA Workshop => Twins => Topic started by: Admin on 06 Apr, 2025, 10:48