- TypeLiquid-cooled, 4 valve, DOHC, single-cylinder
- Capacity398.15 cc
- Bore89.0 mm
- Stroke64.0 mm
- Compression12:1
- Max Power EC40 PS / 39.5 bhp (29.4 kW) @ 8,000 rpm
- Max Torque EC37.5 Nm @ 6,500 rpm
- SystemBosch electronic fuel injection with electronic throttle control
- ExhaustStainless twin-skin header system with stainless steel silencer
- Final Drive X-ring chain
- ClutchWet, multi-plate, slip
- Gearbox6 speed