| Attribute | Triumph Terrier 150 1956 × | Lambretta LI 125 Series 1 1959 × |
|---|---|---|
| General | ||
| Production from (year) | 1956 | 1959 |
| Make | Triumph | Lambretta |
| Model | Triumph Terrier 150 | Lambretta LI 125 Series 1 |
| Category | Sport | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor | Carburettor |
| Displacement (cm³) | 150 | 123 |
| Power (kw) | 6.1 | 3.8 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | - |
| Bore (mm) | 57 | 52 |
| Stroke (mm) | 58.5 | 58 |
| Gearbox | - | 4-speed |
| Fuel control | Overhead Valves (OHV) | - |
| Clutch | - | Constant mesh |
| Compression | 7.1:1 | 7.0:1 |
| Chassis | ||
| Front brakes | Expanding brake (drum brake) | - |
| Rear brakes | Expanding brake (drum brake) | - |
| Front tyre | 3-16 | 3.50-10 |
| Rear tyre | 3-16 | 3.50-1+ |
| Seat | Dual | Dual seat |
| Other | ||
| Starter | - | Kick |
| Performance | ||
| Top speed (km/h) | 80 | 69 |