| MODEL | TM RACING EN 125 2005 |
| Year | 2005 |
| 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 | 16.7:1 |
| Cooling System | Liquid |
| Max Power | — |
| Max Torque | — |
| Ignition | Kokusan CDI electronic, variable advance |
| Induction | Carburettor, Keihin 38 mm PWK |
| Start System | — |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 6-speed |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Cr-Mo steel, perimetral oval section |
| Front Suspension | Kayaba / Paioli / Ohlins |
| Rear Suspension | Ohlins |
| Front Brakes | Single disc, 270 mm / 10.6 in |
| Rear Brakes | Single disc, 245 mm / 9.6 in |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | — |
| Wheelbase | 960 mm / 37.8 in |
| Ground Clearance | — |
| Dry Weight | 40.8 kg / 90 lbs |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 90/90-21 |
| Rear Tyre | 120/90-18 |
| FUEL SYSTEM | |
| Fuel Capacity | 8 Litres / 2.11 US gal |
| Fuel Consumption | — |
| Top Speed | — |
The 2005 EN 125 is a lightweight enduro two-stroke with a six-speed gearbox and a Cr-Mo steel frame. It was sold with a choice of Kayaba, Paioli or Ohlins forks.
