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BSA C10-C10L-C11-C11G-C12 ‘SERVICE SHEETS’ 1945-1958 FOR ALL PRE-UNIT S.V. AND O.H.V. RIGID, SPRING FRAME AND SWING ARM MODELS
Author: Floyd Clymer
ISBN: 9781588502483
VP Book ID: 20135
Pages: 222
Dimensions: 8 1/4" x 10 3/4"
Description:222 pages, and more than 250 illustrations and charts, size 8.25 x 10.75 inches.
In 1945, after the war had ended, BSA resumed production of their civilian line of motorcycles. However, they continued their pre-war practice of publishing repair, overhaul and technical information in the form of individual ‘Service Sheets’. These sheets were ‘dealer only’ publications and, as such, the print quality was at times somewhat questionable. It was not until the early 1960’s that BSA eventually started publishing model specific workshop manuals that were available to the general public. Consequently, these ‘Service Sheets’ were the only publications available for the maintenance and repair of BSA models that were manufactured through the early 1960’s.
At some point in the 1930’s, BSA adopted the practice of identifying their various model types by ‘groups’ and the models manufactured from 1945 through the mid 1960’s were in Groups A, B, C, D and M. The service sheets that were associated to a particular group were identified numerically and, while there were some exceptions due to overlapping data between models, in general terms the numbers relate to a particular model group. They are as follows: The 200 series of service sheets were applicable to Group A models, the 300 series to Group B, the 400 series to Group C, the 500 series to Group D and the 600 series to Group M. In addition, there were a 700 series applicable to mechanical maintenance and an 800 series for electronic service and wiring diagrams. Both the 700 and 800 series of service sheets contained information that was not model specific but was applicable across multiple model groups.
Unfortunately, as these service sheets were issued individually and at random times, the numbering sequence within any group is, at times, illogical and not necessarily consecutive. Consequently, assembling those individual sheets into a publication that serves as a model specific workshop manual is a somewhat difficult task and owners of BSA motor cycles are subjected to considerable confusion surrounding the appropriate selection from the multitude of reprints that have recently flooded the on-line marketplace. Many of the reprints found on internet websites are from ‘bedroom sellers’ at enticingly low prices by individuals that really have no idea what they are selling. Many are nothing more than poor quality comb-bound photocopies that are scanned and printed complete with greasy pages and thumbprints and, as such, are deceptively described as ‘pre-owned’, ‘used’ or even ‘refurbished’! In addition, they are often advertised for the incorrect series and/or model years of motorcycles.
The most complete compilation of the 1945 and onwards service sheets was issued by BSA in the form of a ‘dealer only’ ring binder that contained all of the individual service sheets totaling to almost 500 pages, it is extremely scarce and difficult to find. This manual contains 63 service sheets (210 pages) extracted from that ‘dealer only’ publication, which cover the pre-unit 1945 to 1958 rigid and spring frame C10, C10L, C11, C11G and the 1956 to 1958 swing arm C12. Obviously, as the C10 was introduced in 1938 this manual will also be of use to owners of those earlier models. Please note that service sheets other than those in the 400 series that are included in this publication may also contain data that is applicable to ‘other’ model groups, as that was the original intention.
For additional information the reader is directed to ‘The Book of the BSA 250cc, 350cc, 500cc & 600cc OHV & SV singles 1945 to 1959’ (ISBN 9781588502292) which covers the B31, B32, B33, B34, C10, C11, C11DL, M20, M21 & M33 models...$29.95 USD
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