Norton, Triumph & BSA Workshop Manuals

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Original factory workshop manuals for classic Norton, Triumph and BSA motorcycles, available as free PDF downloads.

These manuals cover servicing, repair procedures, specifications, settings and tolerances. Choose the closest match for the bike's model and production year.

Check the bike before using a specificationFactory manuals often cover several models and production changes. Confirm the engine and frame numbers before relying on a setting or ordering parts.
Triumph

350, 500, 650 & 750 Unit Twins

Factory workshop information for Triumph unit-construction twins.

Triumph 350 & 500, 1957-1974Download PDF
Triumph 650, 1963-1970Download PDF
Triumph 750, 1973-1978Download PDF
Triumph & BSA

A75, T150 & T160 Triples

Workshop manuals covering the Triumph Trident and BSA Rocket 3 ranges.

Triumph T150 Trident, 1969-1973Download PDF
BSA A75 Rocket 3, 1969-1972Download PDF
BSA

A50 & A65 Unit Twins

Factory repair and servicing information for BSA A50 and A65 unit twins.

BSA A50 & A65, 1962-1966Download PDF
Norton

Commando 750 & 850

Factory workshop references for the Norton Commando range.

Norton Commando 750, 1969Download PDF
Norton Commando 750 & 850, 1970-1974Download PDF
Norton Commando 850 MKIIIDownload PDF
Looking for exploded diagrams or part numbers?Go to the factory parts books.