| MODEL | AJS NAC12 2012 - 2014 |
| Year | 2012 - 2014 |
| Engine Type | Twin cylinder, 4 stroke |
| Displacement / Capacity | 124 cc / 7.6 cu in |
| Bore X Stroke | 44 x 40 mm |
| Compression Ratio | — |
| Cooling System | Liquid cooled |
| Max Power | 8.5 kW / 11.4 hp @ 10500 rpm |
| Max Torque | — |
| Ignition | Coil CDI |
| Induction | — |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 5 speed |
| Clutch | Wet, multi plate |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | Telescopic forks |
| Rear Suspension | Twin rear shocks |
| Front Brakes | Twin disc |
| Rear Brakes | Single disc |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | 770 mm / 30.5 in |
| Wheelbase | 1510 mm / 59.4 in |
| Ground Clearance | — |
| Dry Weight | 153 kg / 337 lbs |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 100/80-17 |
| Rear Tyre | 130/70-17 |
| FUEL SYSTEM | |
| Fuel Capacity | 18 Litres / 4.8 US gal |
| Fuel Consumption | 3.8 L/100 km / 62 US mpg |
| Top Speed | — |
The NAC12 is a modern AJS-badged 125 cc learner-legal sports commuter with a twin-cylinder engine and a street-fighter look. It was sold in white, red and black, with twin front discs and a low seat for new riders.
