Kawasaki Ninja 400
49 hp, 399 cc, 366 lbs2018 - 2020
Ducati Monster
111 hp, 937 cc, 414 lbs2021
EngineKawasaki Ninja 400Ducati Monster
Displacement399 cc937 cc
Max power49 hp (@10 000 RPM)111 hp (@9 250 RPM)
Max torque28 lb ft (@8 000 RPM)68 lb ft (@6 500 RPM)
Redline9 500 RPM10 200 RPM
Idling speed1 200 RPM1 200 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-2DOHC Desmodue V2
Compression11.60:113.30:1
Oil type15W50
Spark plug typeNGK MAR9A-J
CoolingLiquidLiquid
Valves88
Bore70.0 mm94.0 mm
Stroke51.8 mm67.5 mm
Throttle bore32.0 mm
Weight to power7.47 lbs/hp3.73 lbs/hp
Power to weight334 hp/2500lbs669 hp/2500lbs
Battery type12V 6.5Ah Yuasa YT 7B-BS DRY
GearboxKawasaki Ninja 400Ducati Monster
TypeSequentialSequential
ClutchSlipperSlipper
DriveChainChain
Chain typeRegina 520 ZRDK
Gears count66
Primary ratio2.2191.848
Final drive2.9292.866
1. gear2.929 (36 mph)2.466 (58 mph)
2. gear2.056 (51 mph)1.765 (81 mph)
3. gear1.619 (65 mph)1.4 (101 mph)
4. gear1.333 (78 mph)1.182 (120 mph)
5. gear1.154 (91 mph)1.043 (136 mph)
6. gear1.037 (101 mph)0.958 (148 mph)
ChasisKawasaki Ninja 400Ducati Monster
Frame typeSteel trellis frameAluminum alloy front frame
Front susp.41mm fork, 4.72 in travel43mm Kayaba upside down telescopic fork, 130 mm travel
Rear susp.Monoshock, 5.12 in travelKayaba mono shock, 61.0.20 in travel