1975–1977 Ducati 750 SS / 900 SS Workshop Manual (PN 0797.80.343)

• Covers 1975–1977 Ducati 750 SS and 900 SS models, including Desmo variants and U.S. specifications
• Original OEM publication by Ducati Meccanica S.p.A. (1975–1977 edition, PN 0797.80.343)
• Includes 44 detailed figures mapping engine components, frame geometry, brake systems, and electrical schematics
• Details critical components including Borrani light alloy rims, telescopic hydraulic forks, swinging arms, electronic ignition generators, 200W alternators, voltage regulators, and transducers
• Covers Dell'Orto carburetors, disc brake master cylinders, bevel gear timing supports, cush drive rubbers, oil radiators, and racing uprating kits

Whether you are rebuilding a classic or maintaining a collector's piece, this 76-page PDF documentation provides the exact factory-authorized data required for the job. It delivers the technical parameters for the iconic 90° L-twin air-cooled platform directly to your workbench. Having these precise factory tolerances on hand prevents catastrophic valvetrain interference and eliminates expensive trial-and-error during a major motorcycle repair. Inside, you will find specific wear limits for valve guides, rocker arms, and camshaft support bearings to ensure your engine overhaul meets precise OEM tolerances. The document also maps out the open double-cradle frame structures, front and rear wheel assemblies, and brake calipers through exploded-view diagrams, dimensional frame charts, carburetor cross-section views, valve-guide wear limit charts, float level adjustment views, and special tool application drawings. Always review the detailed torque values provided for critical fasteners, like cylinder head bolts, and ensure your motorcycle is safely secured on a specialized lift before inspecting any chassis components.

Electrical troubleshooting is supported by comprehensive wiring diagrams for the 1975, 1976, and 1977 production years, outlining both international and U.S. configurations. The manual details precision carburetor tuning for PHM 40 and PHF 32 models, including jet sizing and accelerator pump calibration. Beyond specifications, it outlines step-by-step instructions for tasks that typically require an expensive trip to a specialized dealership, such as Desmo head disassembly, milling and lapping valve seats, rebuilding the swinging arm, and adjusting Desmodromic tappets. For more background on how these technical references are organized, view how factory workshop documentation is structured. Crucial desmodromic specifications are thoroughly documented, such as the 0.08 mm clearance for opening rockers and 0.12 mm for exhaust. By combining exact specifications with critical procedural walkthroughs, this reference guide gives professional technicians and dedicated DIYers the raw data necessary to keep these Italian sport motorcycles performing at their peak.