Segment:
Performance Motorcycle
Target Audience:
Ducati enthusiasts, owners, and independent mechanics specializing in vintage Italian motorcycles.
Manual Value Proposition:
Provides essential technical data and procedural guidance for the iconic Ducati 750SS, a key model in Ducati's history.
Engine Type:
Air-cooled, Desmodromic valvetrain, 90-degree V-twin (L-twin).
Desmodromic System:
Detailed explanation of the Desmodromic valve actuation system, a hallmark of Ducati engineering.
Engine Assembly:
Complete teardown, inspection, reassembly, valve adjustment (Desmodromic system specifics included).
Fuel System:
Carburetor (Dell'Orto PHF/PHM series) identification, disassembly, cleaning, tuning, synchronization, jetting specifications.
Ignition System:
Contact breaker points, timing procedures, coil specifications, wiring diagrams.
Transmission:
Gearbox teardown, inspection, reassembly, shift mechanism, lubrication requirements.
Clutch:
Wet multi-plate clutch service, friction plates, steel plates, springs, adjustment.
Electrical:
Complete wiring schematics, component testing, battery, charging system, lighting, horn, switches.
Brakes:
Brake fluid specifications, caliper service, master cylinder overhaul, pad replacement, bleeding procedures (often early Brembo systems).
Suspension:
Fork oil type and level, seal replacement, rear shock absorber service, linkage lubrication.
Frame And Body:
Frame inspection, fairing removal and installation, seat, fuel tank maintenance.
Maintenance:
Regular service checks, oil changes, filter replacements, chain adjustment, spark plug replacement, lubrication points.
Repair:
Engine rebuilds, transmission overhauls, carburetor tuning, electrical fault finding, brake system repairs, suspension component replacement.
Troubleshooting:
Step-by-step diagnostic procedures for common starting, running, and electrical issues.
Torque Specifications:
Critical torque values for engine, chassis, and brake components.
Special Tools:
Identification of necessary specialized tools for specific procedures.
Depth:
Comprehensive from basic maintenance to full engine rebuilds and complex diagnostics.
Diagnostics:
Detailed troubleshooting trees and component testing methods.
Rebuilds:
Step-by-step instructions for complete engine and gearbox disassembly and reassembly.
Engine Type:
Air-cooled, 90-degree V-twin, Desmodromic valve actuation
Displacement:
736 cc (44.9 cu in)
Bore X Stroke:
80 mm x 73.4 mm (3.15 in x 2.89 in)
Compression Ratio:
9.0:1 (typical, may vary slightly)
Horsepower:
Approx. 60 hp @ 7,500 rpm
Torque:
Approx. 60 Nm (44 lb-ft) @ 6,000 rpm
Carburetors:
Dual Dell'Orto PHF 36 (or PHM 32 on some early models)
Fuel Type:
Unleaded gasoline (Octane rating appropriate for the era, e.g., 91 RON / 87 AKI)
Oil Type:
High-quality motorcycle specific mineral or semi-synthetic oil, SAE 20W-50 recommended.
Oil Capacity:
Approx. 2.5 - 3.0 liters (2.6 - 3.2 quarts) with filter change.
Ignition System:
Breaker points with single ignition coil.
Oil Change Interval:
Every 3,000 - 5,000 km (1,800 - 3,000 miles) or annually.
Valve Clearance Check:
Every 6,000 - 10,000 km (3,600 - 6,000 miles) due to the mechanical Desmodromic system.
Carburetor Sync Tune:
As needed, or every 6,000 - 10,000 km (3,600 - 6,000 miles).
Engine Oil:
SAE 20W-50 Motorcycle Oil (API SG or higher, JASO MA if available for older spec engines).
Brake Fluid:
DOT 3 or DOT 4 (check manufacturer recommendation for specific caliper/master cylinder compatibility).
Fork Oil:
Viscosity and level specified in manual, often around 10W or 15W fork oil.
Desmo Valve Adjustment:
Requires precise adjustment; wear in components can affect settings. Needs specialized knowledge.
Carburetor Wear:
Dell'Orto carbs can be sensitive to dirt and wear; jetting needs to be precise for optimal performance.
Electrical Connections:
Older wiring can degrade; corrosion at connectors is common and can lead to intermittent issues.
Cam Chain Tensioner:
May require periodic inspection or adjustment depending on the specific design evolution.
Gaskets Seals:
Aging rubber and cork gaskets/seals can lead to oil leaks, especially around crankcases and valve covers.
Ducati Legacy:
Ducati has a long history of performance motorcycles, particularly known for its V-twin engines and racing heritage.
750Ss Development:
The 750SS was an evolution of the earlier 750 GT and 750 Sport models, offering improved performance and sportier ergonomics.
Desmodromic Significance:
This model solidified the importance of the Desmodromic valvetrain in Ducati's sportbike lineup, a system pioneered by Fabio Taglioni.
Production Period:
1974-1978 (with variations across SS and GT/Sport models).
Manufacturing Location:
Borgo Panigale, Bologna, Italy
Vintage Classic Status:
Highly regarded as a classic Italian sportbike, often winning accolades in vintage motorcycle shows and events.
Enthusiast Reviews:
Consistently praised for its character, handling, and the unique riding experience offered by its V-twin engine and Desmodromic system.
Manual Accuracy:
Assumed to be based on factory specifications and common industry practices for vintage Ducati motorcycles.
