| MODEL | TM RACING EN 125 2012 |
| Year | 2012 |
| Engine Type | Single cylinder, two-stroke |
| Displacement / Capacity | 123.5 cc / 7.54 cu in |
| Bore X Stroke | 54.0 x 54.5 mm / 2.1 x 2.1 in |
| Compression Ratio | 11.7:1 |
| Cooling System | Liquid |
| Max Power | — |
| Max Torque | — |
| Ignition | Kokusan CDI electronic, variable advance, two selectable maps |
| Induction | Carburettor, Keihin PWK 38 |
| Start System | Kick |
| TRANSMISSION SPECS | |
| Lubrication | 3.5% oil mix |
| Gear Box | 6-speed |
| Clutch | Multi-disc in oil bath, hydraulic control |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Perimetral aluminium |
| Front Suspension | Marzocchi USD 50 mm |
| Rear Suspension | Sachs Boge (Ohlins optional) |
| Front Brakes | Single wave disc, 270 mm / 10.6 in, Nissin |
| Rear Brakes | Single wave disc, 245 mm / 9.6 in, Nissin |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | — |
| Wheelbase | — |
| Ground Clearance | — |
| Dry Weight | — |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 90/90-21 |
| Rear Tyre | 120/90-18 |
| FUEL SYSTEM | |
| Fuel Capacity | 8.7 Litres / 2.30 US gal |
| Fuel Consumption | — |
| Top Speed | — |
In 2012 the EN 125 was a carburetted six-speed enduro two-stroke with Marzocchi forks and an aluminium perimeter frame. It carried a V-Force reed intake and a Sachs Boge shock with an Ohlins option.
