Engine Type
Liquid-cooled, 4-stroke Parallel Twin
Displacement
399 cm3
Bore x stroke
70 x 51.8 mm
Compression ratio
11.5:1
Valve/Induction system
DOHC, 8 valves
Fuel system
Fuel injection: O 32 mm x 2
Ignition
Digital
Starting
Electric
Lubrication
Forced lubrication, wet sump