| Year | 1957 |
| Bore x Stroke | 62 x 57.8 mm |
| Capacity | 174.5 cc / 10.6 cu in |
| Clutch | Multi wet plate, wet |
| Compression Ratio | 7:1 |
| Cooling System | Air cooled |
| Dimensions | Length: 1980 mm / 78.0 in Height: 1040 mm / 40.9 in |
| Dry Weight | 118 kg / 260 lbs |
| Engine | Four stroke, single cylinder, SOHC, shaft and bevel gear driven, 2 valves per cylinder |
| Final Drive | Chain |
| Final Drive | 3.066:1 |
| Frame | Single cradle tubular frame |
| Front Brakes | Drum, full aluminium, 180 mm |
| Front Suspension | Hydraulic telescopic fork |
| Front Tyre | 2.50 -18 |
| Fuel Capacity | 17 L / 4.5 US gal / 3.7 Imp gal |
| Gear Ratios | 1st 2.75 / 2nd 1.65 / 3rd 1.18 / 4th 0.97:1 |
| Ignition | 6V 40W generator |
| Induction | Dell'Orto MB22B carburetor |
| Max Power | 8.2 kW / 11 hp @ 7500 rpm |
| Primary Drive | 2.522:1 |
| Rear Brakes | Drum, full aluminium, 160 mm |
| Rear Suspension | Swingarm, dual shocks, 3-way adjustable |
| Rear Tyre | 2.75 -18 |
| Seat Height | 800 mm / 31.5 in |
| Spark Plug | Marelli CW250A |
| Starting | Kick |
| Top Speed | 110 km/h / 68 mph |
| Transmission | 4 Speed |
| Wheelbase | 1320 mm / 52 in |
