1978 Ducati 900SS

1978 Ducati 900SS

Introduced in 1978, the 1978 Ducati 900SS features a 864cc SOHC L-twin bevel engine producing 70hp, establishing itself as a notable sport bike.

Specifications

Engine

Type
SOHC L-twin bevel
Displacement
864 cc
Cylinders
2
Power
70 hp @ 7000 rpm
Torque
64.0 Nm
Compression
Bore × Stroke
86.0 × 74.4 mm
Cooling
Air-cooled
Fuel System
2x Dell'Orto carburetors

Chassis & Transmission

Frame
Steel tube trellis
Front Suspension
Telescopic fork
Rear Suspension
Twin shock
Front Brake
Dual disc
Rear Brake
Single disc
Front Tyre
Rear Tyre
Transmission
5-speed
Final Drive
Chain

Performance

Top Speed
215 km/h (134 mph)
¼ Mile

Dimensions & Weight

Dry Weight
185 kg (408 lbs)
Wet Weight
200 kg (441 lbs)
Seat Height
790 mm
Wheelbase
1430 mm
Ground Clearance
Fuel Capacity
18.0 L

History & Story

Ducati's 1978 Ducati 900SS arrived in 1978 as a sport bike designed for the discerning rider. Produced in Italy, it quickly earned recognition as a capable sport bike from the 1970s.

Powering the 1978 Ducati 900SS is a 864cc SOHC L-twin bevel producing 70hp. This twin-cylinder engine uses air-cooled cooling and draws fuel through 2x Dell'Orto carburetors. A 5-speed gearbox sends power via chain final drive to the rear wheel.

Built around a steel tube trellis frame, the 1978 Ducati 900SS suspends its 185 kg (408 lbs) on telescopic fork forks and twin shock rear units. Braking relies on dual disc at the front and single disc at the rear, with a 1430 mm wheelbase providing stability.

Performance-wise, the 1978 Ducati 900SS achieves a claimed top speed of 215 km/h (134 mph). With a generous fuel capacity of 18.0 liters, it offers reasonable range for sport bike duties. The seat height of 790 mm makes it comfortable for most riders.

Today, the 1978 Ducati 900SS is considered a desirable collector motorcycle that has appreciated significantly in value over the decades. Parts availability is rated as moderate, making ownership a dedicated pursuit. It remains an icon of Ducati motorcycling from 1970s.

Known Issues

  • Desmo valve adjustment requires specialist knowledge
  • Bevel gear tower maintenance critical
  • Electrical system (early models use basic components)
  • Dry clutch rattle at idle (character, not defect)

Fun Facts

  • The 1978 Ducati 900SS is considered one of the most collectible motorcycles from Ducati
  • The 1978 Ducati 900SS was produced in Ducati's Italy facilities
  • The 1978 Ducati 900SS featured a steel tube trellis frame typical of 1970s design philosophy

Collector Information

Parts Availability
Moderate
Collector Rating
8/10

Resources & Parts