1975 Ducati 125 Regolarita

Specifications
- Category
- Allround
- Displacement
- 123.7 ccm (7.55 cubic inches)
- Displacement (cc)
- 123.70
- Engine details
- Single cylinder, two-stroke
- Power
- 29.2 HP (21.3 kW))
- Compression
- 10.5:1
- Bore × stroke
- 54.0 x 54.0 mm (2.1 x 2.1 inches)
- Fuel system
- Carburettor. Dell´Orto PHB30
- Cooling
- Air
- Gearbox
- 6-speed
- Transmission
- Chain (final drive)
- Clutch
- Wet Multi-Disc
- Front suspension
- Telescopic
- Rear suspension
- Swingarm , Dual Shocks
- Front tyre
- 3.00-21
- Rear tyre
- 3.75-18
- Front brakes
- Expanding brake (drum brake)
- Front brake Ø
- 120 mm (4.7 inches)
- Rear brakes
- Expanding brake (drum brake)
- Rear brake Ø
- 140 mm (5.5 inches)
- Dry weight
- 114.0 kg (251.3 pounds)
- Length
- 2159 mm (85.0 inches)
- Width
- 919 mm (36.2 inches)
- Wheelbase
- 1420 mm (55.9 inches)
- Fuel capacity
- 7.20 litres (1.90 US gallons)
- Colours
- Blue
The 1975 Ducati 125 Regolarita
The 1975 Ducati 125 Regolarita marked the debut year for this small-displacement entry in Ducati's lineup, aimed at riders seeking Italian engineering in a more accessible package.
This compact Ducati delivers genuine all-around capability despite its modest displacement, offering enough punch for daily commuting while remaining manageable for newer riders transitioning from smaller bikes. The 125 Regolarita strikes a practical balance — it's nimble enough for city traffic, economical on fuel with its small tank capacity, and carries the distinctive character that separates Italian motorcycles from their Japanese counterparts. Chain drive keeps maintenance straightforward, while the overall package rewards riders who appreciate European design philosophy in a lighter, less intimidating format than Ducati's larger offerings.
The 1975 model carried over without significant mechanical changes from the prior year — buyers comparing it to a 1974 example should focus on mileage, service history, and condition rather than spec differences.
This Ducati 125 Regolarita appeals to riders seeking their first taste of Italian motorcycling without the commitment of a larger machine, plus commuters who want something more characterful than typical small-bore alternatives. Moderate collector interest reflects its historical significance as an accessible entry point into the Ducati brand during the mid-seventies era.

