This is a compilation of 3 original publications from the Clymer manual archives.
Covers BSA 500/650 Unit Twins, 1963-1972; Norton 750/850 Commandos, 1969-1975; Triumph 500/650/750 Twins, 1963-1979.
Includes Quick Reference Data, General Information, Periodic Maintenance, Engine, Transmission & Clutch, Electrical System, Fuel System, Chassis, Troubleshooting, and Specs.