| MODEL | LAMBRETTA GP 150 1969 |
| Year | 1969 |
| Engine Type | Single cylinder, two-stroke |
| Displacement / Capacity | 148 cc / 9.03 cu in |
| Bore X Stroke | 57 x 58 mm / 2.2 x 2.3 in |
| Compression Ratio | 7.8:1 |
| Cooling System | Air |
| Max Power | 6.4 kW / 8.7 hp @ 6300 rpm |
| Max Torque | — |
| Ignition | — |
| Induction | Carburettor (Dellorto) |
| Start System | Kick |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | — |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | — |
| Rear Suspension | — |
| Front Brakes | Expanding drum brake |
| Rear Brakes | Expanding drum brake |
| DIMENSION SPECS | |
| Overall Length | 1798 mm / 70.8 in |
| Overall Width | 681 mm / 26.8 in |
| Overall Height | 1011 mm / 39.8 in |
| Seat Height | — |
| Wheelbase | 1290 mm / 50.8 in |
| Ground Clearance | — |
| Dry Weight | 117.9 kg / 260 lbs |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 3.50-10 |
| Rear Tyre | 3.50-10 |
| FUEL SYSTEM | |
| Fuel Capacity | 6.74 Litres / 1.78 US gal |
| Fuel Consumption | — |
| Top Speed | 101.4 km/h / 63 mph |
The GP 150 is the mid-size model of the GP family, with the 148 cc air-cooled two-stroke and the squared-off body that set the GP apart from earlier Lambrettas. It was a practical road scooter with a kick starter and drum brakes.
