BSA Twins (1962-1973): Service and Repair Manuals

BSA A50 & A65 Twins - 499 cc, 654 cc (1962-1973) | Haynes Owners Workshop Manual

Haynes Owners Workshop Manual on the BSA motorcycles:
- A50 Star Twin (499 cc, 1961-1965), A50C Cyclone (499 cc, 1964-1965), A501 R Royal Star (499 cc, 1965-1970), A50W Wasp (499 cc, 1969-1971)
- A65 Star Twin (654 cc, 1961-1965), A651T Thunderbolt (654 cc, 1965-1972), A652H Hornet (654 cc, 1965-1966), A65FB Firebird (654 cc, 1969-1971), A65L Lightning (654 cc, 1964-1973), A65R Rocket (654 cc, 1963-1965), A652S Spitfire (654 cc, 1965-1968).

This Haynes Workshop book for the BSA A50 and A65 Twin provides photos and detailed step-by-step instructions for maintenance and repair of the 2-cylinder engine, the clutch and the gearbox.
The cooling system, fuel system, ignition, exhaust, steering, suspension, brakes, final drive and electrical system are also described.

• Based on a complete strip-down and rebuild.
• Includes a maintenance schedule, adjustment data, torque wrench settings and troubleshooting tables.
• Clear and detailed wiring diagrams for easy reference.

▶  More information on the Haynes Repair Manuals

The Second Book of the BSA Twins - 650 cc & 500 cc OHV Twins - A50 & A65 Series (1962-1969) | Clymer Manual Reprint

Floyd Clymer manual (reprint) for maintenance and repair of BSA Unit Twins from the years 1962-1969.

Engines: 2 cylinders - 500 and 650 cc (OHV).

Versions: A50 and A65, including the Royal Star, Thunderbolt, Wasp, Cyclone, Hornet, Lightning and Spitfire.

• This Clymer workshop manual for BSA A50 and A65 2-cylinder motorcycles contains complete technical specifications and detailed instructions for maintenance and repair of all components: engine, carburettor, fuel system, ignition, clutch, gearbox, front fork, rear suspension, brakes, electrical system and lighting.
• Reprint of the Clymer Motorcyclist's Library / Pitman Ltd edition.

BSA 500 - 650 Unit Twins (1963-1972) / Norton 750 & 850 Commandos (1969-1975) / Triumph 500-750 Twins (1963-1979) | Clymer Service and Repair Manual

Workshop manual from the Clymer Vintage Collection (3 older manuals in one volume) for the motorcycles:

BSA500 - 650 cc Unit Twins (1963-1972)

Norton750 and 850 cc Commandos (1969-1975)

Triumph500 and 750 cc Twins (1963-1979).

This Clymer workshop manual on older BSA, Norton and Triumph motorcycles describes maintenance and repair of the engine, clutch and transmission, the fuel and exhaust systems, the electrical system and the cooling system.
Also covers the front suspension and steering system, the rear suspension and drivetrain, the brakes and the frame.

• Step-by-step instructions, many photos and drawings.
• Includes adjustment data, torque wrench settings and wiring diagrams.

▶  More information on the Clymer Repair Manuals

BSA A50 & A65 500 & 600 Unit-construction Twins (1962-1965) - Factory Workshop Manual

Workshop manual (reprint) on the BSA A50 and A65 Unit-construction Twins, built between 08/1961 and 07/1965 (model years 1962-1965).

Types: C (Cyclone), CC (Cyclone Competition), L (Lightning), LC (Lightning Clubman), LR (Lightning Rocket), R (Rocket), S (Star), SH (Spitfire Hornet) and TR (Thunderbolt Rocket).

Versions: CB (Cable Rear Brake), CR (Close Ratio Gearbox), PM (Police Model), RB (Rod Rear Brake), RC (Rev Counter), UK (United Kingdom Model) and US (USA Model).

This is the same technical manual as was used in the BSA dealer's workshop at the time. BSA reference: 00-4113.

Building Budget Brits: A Practical Guide for Refurbishing BSA and Triumph Unit Twins

This enjoyable, engagingly readable book provides a detailed roadmap for rebuilding and restoring unit-construction Triumph and BSA twins without spending a fortune.
The book is organized just as you would a rebuilding project, starting with selecting a bike to work on and finishing with bringing all the pieces together to ride. It contains the practical, down-to-earth information you wish the factory manuals had, but don't.
Brown passes along the tips, shortcuts, and money-saving advice he has acquired over a span of 20 years working with British motorcycles.

Every aspect of refurbishing unit-construction British twins is covered: engine work, transmissions, frame repairs, shocks and forks, brakes, tanks, and those pesky Amal carbs and Lucas electrical systems. The book also helps you choose a bike to buy, including how to spot bogus serial numbers and avoid stolen goods.
Whether you want to build a concours quality restoration or simply put a good-looking, reliable British bike on the road, you will find plenty of helpful information here.