| MODEL | BULTACO TRALLA 102 1963 |
| Year | 1963 |
| Engine Type | Single cylinder, two-stroke |
| Displacement / Capacity | 125 cc / 7.63 cu in |
| Bore X Stroke | — |
| Compression Ratio | — |
| Cooling System | Air |
| Max Power | 10.9 kW / 15 hp @ 7500 rpm |
| Max Torque | — |
| Ignition | — |
| Induction | Amal 376/25 carburettor |
| Start System | — |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 4 Speed |
| Clutch | Wet plate |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | Telescopic fork |
| Rear Suspension | — |
| Front Brakes | Drum |
| Rear Brakes | Drum |
| DIMENSION SPECS | |
| Overall Length | 1955 mm / 77 in |
| Overall Width | — |
| Overall Height | — |
| Seat Height | — |
| Wheelbase | 1305 mm / 51.4 in |
| Ground Clearance | — |
| Dry Weight | 95 kg / 209.4 lbs |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | — |
| Rear Tyre | — |
| FUEL SYSTEM | |
| Fuel Capacity | 12 Litres / 3.17 US gal |
| Fuel Consumption | 2 L/100 km / 117.6 mpg |
| Top Speed | 115 km/h / 71.5 mph |
The Tralla 102 was the 125 cc road bike that followed Bultaco's first model, the Tralla 101 of 1959. A simple air-cooled two-stroke with a four-speed box and drum brakes, it remained in the catalogue into the early 1970s.
