Kawasaki Ninja 400
49 hp, 399 cc, 366 lbs2018 - 2020
Yamaha R6
123 hp, 599 cc, 417 lbs2015 - 2016
EngineKawasaki Ninja 400Yamaha R6
Displacement399 cc599 cc
Max power49 hp (@10 000 RPM)123 hp (@14 500 RPM)
Max torque28 lb ft (@8 000 RPM)47 lb ft (@10 500 RPM)
Redline9 500 RPM16 000 RPM
Idling speed1 200 RPM1 200 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-2DOHC Inline-4
Compression11.60:113.10:1
Oil capacity3.22 quart
Oil type10W40, Yamalube 10W40, Shell Rotella 10W40
Spark plug typeNGK CR10EK
CoolingLiquidLiquid
Valves816
Bore70.0 mm67.0 mm
Stroke51.8 mm42.5 mm
Throttle bore32.0 mm
Weight to power7.47 lbs/hp3.39 lbs/hp
Power to weight334 hp/2500lbs737 hp/2500lbs
Battery typeYTZ10S
GearboxKawasaki Ninja 400Yamaha R6
TypeSequentialSequential
ClutchSlipperWet
DriveChainChain
Chain type
Gears count66
Primary ratio2.2192.073
Final drive2.9292.813
1. gear2.929 (36 mph)2.583 (78 mph)
2. gear2.056 (51 mph)2.0 (101 mph)
3. gear1.619 (65 mph)1.667 (121 mph)
4. gear1.333 (78 mph)1.444 (140 mph)
5. gear1.154 (91 mph)1.286 (157 mph)
6. gear1.037 (101 mph)1.15 (176 mph)
ChasisKawasaki Ninja 400Yamaha R6
Frame typeSteel trellis frameAluminium Deltabox
Front susp.41mm fork, 4.72 in travelUSD, dia 41mm, 4.53 in travel
Rear susp.Monoshock, 5.12 in travel4.72 in travel