Ducati 350 Mark 3D (1971 – 72)

Ducati 350 Mark 3D (1971 - 72)

The Ducati 350 Mark 3D, born from the iconic wide-case family that dominated the motorcycle landscape of the late 1960s.

This sleek sports bike boasts a powerful four-stroke single cylinder engine, driven by bevel gears and boasting the revolutionary Desmodromic valve gear. The result is an exceptional riding experience, characterized by rapid throttle response and precise control.

As a direct descendant of the narrow-case family, the Ducati 350 Mark 3D embodies the essence of Italian engineering, with elegant mechanics and performance that has captivated motorcycle enthusiasts worldwide.

With its innovative Desmodromic system, which positively closes and opens valves through a cam and leverage system, this bike redefined the boundaries of speed and agility on two wheels.

Key Specifications

Engine TypeFour stroke, single cylinder, SOHC, bevel gear driven
Engine Capacity340.2cc / 20.8 cu in
Max Power24.8 kw / 34 hp
Fuel Tank Capacity4.0 US gallons / 15.0 L
Seat Height28.9 inches / 735 mm
Ducati 350 Mark 3D (1971 - 72)

All Specifications

Make & Model

ModelDucati 350 Mark 3D
Year1971 – 72

Engine

Engine TypeFour stroke, single cylinder, SOHC, bevel gear driven
Displacement340.2cc / 20.8 cu in
Bore x Stroke76 x 75 mm
Compression Ratio10.0:1
Max Horsepower24.8 kw / 34 hp
Engine Management SystemDell’Orto SS129D

Performance

Top Speed170 km/h / 106 mph

Transmission

ClutchWet, multiplate
Gearbox5 Speed
Primary Drive Ratio2.111:1
Gear Ratios1st 2.46 / 2nd 1.73 / 3rd 1.35 / 4th 1.10 / 5th 0.97:1
Final DriveChain

Electrical & Electronics System

BatteryYuasa B38 12Ah
StarterKick

Chassis & Suspension

Front Suspension35 mm Marzocchi telescopic hydraulic fork
Rear SuspensionSwingarm, Twin Marzocchi shocks, 3-way adjustable

Wheels & Brakes

Front Tire Size2.75-18
Rear Tire Size3.00-18
Front Brakes180 mm Drum
Rear Brakes160 mm Drum

Dimension & Weights

Overall Length2000 mm / 78.7 in
Overall Width600 mm / 23.6 in
Overall Height940 mm / 37.0 in
Seat Height28.9 inches / 735 mm
Fuel Tank Capacity4.0 US gallons / 15.0 L
Dry Weight128 kg / 282 lbs

Features

  • Four stroke engine
  • Single cylinder engine
  • SOHC (Single Overhead Camshaft) design
  • Bevel gear driven system
  • Desmodromic valve gear system
  • Positive valve closure and opening by cam and leverage system
  • No reliance on standard valve springs
  • Wide-case production models
  • 250cc, 350cc, and 450cc engine options
  • Elegant mechanics
  • Performance-oriented design
  • Fast and agile handling
Ducati 350 Mark 3D (1971 - 72)
Ducati 350 Mark 3D (1971 - 72)
Ducati 350 Mark 3D (1971 - 72)

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