| TECHNICAL SPECIFICATION | 
|---|
| Model ID | 
|---|
| Manufacturer (Make) | AJS | 
| Model Name | NAC12 125 | 
| Year | 2010 | 
| Category(class) | Sport | 
| Engine | 
|---|
| Engine Capacity (Displacement) | 124 ccm (7.57 cubic inches) | 
| Engine Type | Twin, four-stroke | 
| Bore x Stroke | Ø44.0 mm x 40.0 mm (Ø1.73 inches x 1.57 inches) | 
| Bore/Stroke Ratio | 1.1 | 
| Fuel System(Carburetion) | Carburettor | 
| Ignition | Coil CDI | 
| Starter System | Electric | 
| Cooling System | Liquid | 
| Powertrain | 
|---|
| Clutch | Wet, multiplate | 
| Gearbox | 5 speed | 
| Transmission (Final Drive) | Chain | 
| Chassis/Suspension/Brakes | 
|---|
| Front Suspension | Telescopic fork | 
| Rear Suspension | Twin reservoir shocks | 
| Front Brakes | Double disc | 
| Rear Brakes | Single disc | 
| Front Tire | 90/90-18 | 
| Rear Tire | 130/90-15 | 
| Dimensions | 
|---|
| Seat Height | 770 mm (30.31 inches) | 
| Wheelbase | 1510 mm (59.45 inches) | 
| Dry Weight | 153.0 kg (337 lb) | 
| Fuel Capacity  | 18.00 litres (4.76 gallons) | 
| Performance | 
|---|
| Max Power | 11.39 HP (8.3 kW) at 10500 RPM | 
| Power/Weight Ratio | 0.07 Hp/Kg | 
| Top Speed | - | 
| Acceleration (dart, speedup) time |  | 
| 0-100 km/h | 23.8 seconds | 
| 0-60 mph | 22.6 seconds | 
| 1/4 mile | - | 
| 60 to 140 km/h, highest gear | - |