Workshop Service & Repair Manuals

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Work on your vintage Triumph, BSA, and Norton at ease knowing that a factory workshop manual can be downloaded here from this page straight to your phone, tablet or computer 100% free.

Here at CBS we strive to offer parts books and factory workshops manuals for free so you can work on your bike and get back to riding. Having this type of information handy will also make owning and wrenching on an old machine fun and convenient.

Click here should you also need a free parts book

Search through our categories below and download your workshop manual today - all files will be in a PDF format.


Triumph 350, 500, 650 & 750 Unit Twins


 Triumph 650 Factory Workshop Manual (1963-1970)
Triumph 350 / 500 Factory Workshop Manual (1957-1974)
Triumph 750 Factory Workshop Manual (1973-1978)


Triumph & BSA A75, T150 & T160 Triples

 Triumph T150 Trident Factory Workshop Manual (1969-1973)

 BSA A75 & Rocket III Factory Workshop Manual (1969-1972)

BSA A50 & A65 Unit Twins

 BSA A50 / A65 Factory Workshop Manual (1962-1966)

Norton Commando 750 & 850

 Norton Commando 750 & 850 (1970-1974)
Norton Commando 850 MKIII