| MODEL | PEUGEOT 103 1971 - 2017 |
| Year | 1971 - 2017 |
| Engine Type | Single-cylinder two-stroke, air or liquid cooled |
| Displacement / Capacity | 49 cc (air) / 49.13 cc (liquid) |
| Bore X Stroke | 40 x 39 mm (air) / 40 x 39.1 mm (liquid) |
| Compression Ratio | 8.5:1 rising to 10:1 on latest models |
| Cooling System | Air or liquid |
| Max Power | 1.9 hp rising to about 3.3 hp @ 5000-5500 rpm |
| Max Torque | about 0.4 kgm @ 3800-4000 rpm |
| Ignition | — |
| Induction | Gurtner D12G, Gurtner GA14 or Dellorto 14 carburettor |
| Start System | Pedal / kick |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | Single speed or variator |
| Clutch | Centrifugal |
| Final Drive | Belt (primary) and chain (secondary) |
| CHASSIS SPECS | |
| Frame | Welded pressed steel and tube, tank integrated |
| Front Suspension | Telescopic fork, 50 mm travel |
| Rear Suspension | Rigid or springs, 50 mm travel |
| Front Brakes | Drum, 80 to 100 mm |
| Rear Brakes | Drum, 80 to 100 mm |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | — |
| Wheelbase | 1100 - 1115 mm |
| Ground Clearance | — |
| Dry Weight | 39 - 56 kg |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | — |
| Rear Tyre | — |
| FUEL SYSTEM | |
| Fuel Capacity | 3.7 - 5 Litres |
| Fuel Consumption | — |
| Top Speed | 45 km/h (limited in France) |
The 103 is the best-selling French moped of its era: a simple belt-and-chain drive single-cylinder two-stroke that stayed in the catalogue from the early 1970s until 2017. Over the decades it spawned sporty, trail and city versions, and its engine was reused in other Peugeot models.
