| MODEL | CAGIVA ALETTA ORO S1 125 1985 |
| Year | 1985 |
| Engine Type | Single cylinder, two stroke |
| Displacement / Capacity | 125 cc / 7.6 cu in |
| Bore X Stroke | 56 x 50.6 mm |
| Compression Ratio | 10.9:1 |
| Cooling System | — |
| Max Power | 18 kW / 23.6 hp @ 9100 rpm |
| Max Torque | 15.9 Nm / 11.7 lb-ft @ 8000 rpm |
| Ignition | Electronic |
| Induction | Single 28mm Dell'Orto PHBH BD |
| Start System | Kick |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 6 Speed |
| Clutch | Multi-disc oil bath |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Tubular duplex cradle |
| Front Suspension | 35mm Marzocchi telescopic forks, non-adjustable |
| Rear Suspension | Alloy single Marzocchi shock |
| Front Brakes | 2x 220mm discs |
| Rear Brakes | Single 220mm disc |
| DIMENSION SPECS | |
| Overall Length | 2055 mm / 80.9 in |
| Overall Width | 695 mm / 27.3 in |
| Overall Height | — |
| Seat Height | 795 mm / 31.2 in |
| Wheelbase | 1380 mm / 54.3 in |
| Ground Clearance | — |
| Dry Weight | 124 kg / 271 lbs |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 90/90-16 |
| Rear Tyre | 100/90-18 |
| FUEL SYSTEM | |
| Fuel Capacity | 18 Litres / 4.7 US gal |
| Fuel Consumption | — |
| Top Speed | — |
The Aletta Oro S1 was Cagiva's 125 cc sports two-stroke for the mid-1980s learner-sport class, finished in red and metallic grey. It used a six-speed single-cylinder engine in a tubular duplex-cradle frame with twin front discs and kick starting.
