| MODEL | VESPA PK 50 N SPEEDMATIC 1992 - 1996 |
| Year | 1992 - 1996 |
| Engine Type | Two stroke, single cylinder |
| Displacement / Capacity | 49.8 cc / 3.0 cu in |
| Bore X Stroke | 38.4 x 43 mm |
| Compression Ratio | 9.1:1 |
| Cooling System | Air cooled with centrifugal fan |
| Max Power | 2.7 kW / 3.7 hp @ 7000 rpm |
| Max Torque | — |
| Ignition | Flywheel magneto |
| Induction | Rotary valve |
| Start System | Kick start |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 4 speed, grip shift |
| Clutch | Oil bath, multi plate |
| Final Drive | Direct drive |
| CHASSIS SPECS | |
| Frame | Pressed sheet steel with streamlined monocoque structure |
| Front Suspension | Trailing arm, coil spring, damper |
| Rear Suspension | Coil spring, damper |
| Front Brakes | 150 mm drum |
| Rear Brakes | 150 mm drum |
| DIMENSION SPECS | |
| Overall Length | 1675 mm / 65.9 in |
| Overall Width | 700 mm / 27.6 in |
| Overall Height | 1070 mm / 42.0 in |
| Seat Height | — |
| Wheelbase | 1175 mm / 46.5 in |
| Ground Clearance | 252 mm / 9.9 in |
| Dry Weight | 77 kg / 169.7 lbs |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 3 x 10 in |
| Rear Tyre | 3 x 10 in |
| FUEL SYSTEM | |
| Fuel Capacity | 6.2 Litres / 1.6 US gal |
| Fuel Consumption | 1.4 L/100 km / 71.4 km/l / 168 US mpg |
| Top Speed | 70 km/h / 43.5 mph |
The Speedmatic was the late-run PK 50 N, built for the final years of the small-frame 50 cc line. The source gives the same two-stroke engine and chassis figures as the regular PK 50, with only a different fuel consumption value.
