| MODEL | DUCATI 250GT 1964 - 1966 |
| Year | 1964 - 1966 |
| Engine Type | Four-stroke, single cylinder, SOHC, bevel gear driven |
| Displacement / Capacity | 248.6 cc / 15.2 cu in |
| Bore X Stroke | 74 x 57.8 mm |
| Compression Ratio | 8:1 |
| Cooling System | Air cooled |
| Max Power | 13.7 kW / 18.4 hp @ 7200 rpm (GT); 16 kW / 22 hp @ 7200 rpm (Monza) |
| Max Torque | — |
| Ignition | 6V 60W generator |
| Induction | Dell'Orto UBF24BS |
| Start System | Kick |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 5-speed |
| Clutch | Wet, multi-plate |
| Final Drive | Chain (GT 18/45, Monza 17/45) |
| CHASSIS SPECS | |
| Frame | Single downtube, open frame with large diameter backbone |
| Front Suspension | 31.5 mm Ducati telescopic fork |
| Rear Suspension | Swingarm with dual Marzocchi shocks |
| Front Brakes | Drum, 180 mm |
| Rear Brakes | Drum, 160 mm |
| DIMENSION SPECS | |
| Overall Length | 2000 mm / 78.7 in |
| Overall Width | — |
| Overall Height | 1070 mm / 42.1 in |
| Seat Height | 800 mm / 31.5 in |
| Wheelbase | 1320 mm / 52.0 in |
| Ground Clearance | — |
| Dry Weight | 125 kg / 276 lbs |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 2.75-18 |
| Rear Tyre | 3.00-18 |
| FUEL SYSTEM | |
| Fuel Capacity | 13 Litres / 3.4 US gal |
| Fuel Consumption | — |
| Top Speed | 128 km/h / 80 mph |
A five-speed touring 250 single with the larger Diana-style tank, sold alongside the Monza that differed mainly in mudguards and triple clamps. From 1966 the two were essentially identical apart from decals.
