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TRIUMPH 1957-1963 UNIT-CONSTRUCTION 350cc & 500cc TWINS – FACTORY MANUAL No.4 UP TO ENGINE No.H29733
Author: Floyd Clymer
ISBN: 9781588502858
VP Book ID: 20172
Pages: 180
Dimensions: 6.625" x 10.25"
Description: 180 pages and more than 70 illustrations and charts, size 6.625 x 10.25 inches. This publication is a faithful reproduction of the Triumph Factory manual No.4 (Ref. 26/67) published in May 1967 for the 1957 to 1963 unit-construction 350cc and 500cc twins.
The original publication states 'Up to Engine No.H29733'which would include the 350cc and 500cc unit-construction twins built between 1957 and 1963. In addition, this coverage is confirmed by the statement 'Up to and including 1963' printed to the bottom of the original front cover. However, Triumph also included a supplement for the T100SS, from engine No.H25252 (1962 onwards) and the T90, from engine No.H29733 (1963 onwards).
This addition of a later model supplement can create confusion in the selection of an appropriate manual as some of the models covered by this earlier manual, remained in production up through the mid to late 1960's. However, Triumph owners should be guided by the statement 'Up to and including 1963' on the front cover and owners of Triumph models from engine No. H29733 (1963 onwards) are directed to the later manual ISBN 9781588502674, which actually picks up where this manual leaves off, and provides coverage for the 350cc and 500cc unit-construction twins from 1963 through 1974.
THE VARIOUS 1957 to 1974 350cc & 500cc MANUALS EXPLAINED
1957-1963 MODELS: The original small format (5 1/2" x 8 1/2") stapled booklet style manual No.4 (Ref. 26/67) that included coverage for the 350cc and 500cc unit-construction models from 1957 up to engine No.H29733 (1963), was ultimately superseded with the publication of a large format (8 1/2" x 11") 3-ring bound, manual part number 99-0843. The 99-0843 manual was somewhat of an oddball as it included a statement to the title page that it covered from engine No.H65573 (1969). Apparently, this publication was intended to cover the 1969 to 1971 models only, as a subsequent manual, issued in 1971, included data for the earlier models.
1963-1971 MODELS: In August 1971, the 99-0843 manual was subsequently merged with manual number 99-0948 under part number 99-0843/0948 with backdated coverage from engine No.H29733 (1963). As the 99-0948 manual was published in August 1971 but coverage was retroactive to 1963, it is obvious that Triumph had compiled the data from the earlier manuals and merged them into a single 1963 to 1971 publication.
1963-1974 MODELS: The final version of this manual included a supplement 99-0950 that extended coverage through the 1974 model year. This supplement was merged with the previous 1971 publication and issued under part number 99-0843/0948/0950. The supplement was appended such that 'Section A' is followed by a 'Section AA' supplement, 'Section B' by a 'Section BB' supplement etc. etc. This manual both backdates and extends coverage and is the most comprehensive manual for the 1963 to 1974 series of 350cc and 500cc unit-construction twins. It is available under ISBN 9781588502674...$29.95 USD
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