Kawasaki ZX-6R
131 hp, 636 cc, 423 lbs2013 - 2016
Yamaha R6
123 hp, 599 cc, 417 lbs2015 - 2016
EngineKawasaki ZX-6RYamaha R6
Displacement636 cc599 cc
Max power131 hp (@13 500 RPM)123 hp (@14 500 RPM)
Max torque52 lb ft (@11 500 RPM)47 lb ft (@10 500 RPM)
Redline16 000 RPM16 000 RPM
Idling speed1 300 RPM1 200 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-4DOHC Inline-4
Compression12.90:113.10:1
Oil capacity3.41 quart3.22 quart
Oil type10W4010W40, Yamalube 10W40, Shell Rotella 10W40
Spark plug typeNGK CR9ENGK CR10EK
CoolingLiquidLiquid
Valves1616
Bore67.0 mm67.0 mm
Stroke45.1 mm42.5 mm
Throttle bore38.0 mm
Weight to power3.23 lbs/hp3.39 lbs/hp
Power to weight773 hp/2500lbs737 hp/2500lbs
Battery type12V 8AhYTZ10S
GearboxKawasaki ZX-6RYamaha R6
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain type520 X-ring
Gears count66
Primary ratio1.92.073
Final drive2.6882.813
1. gear2.846 (81 mph)2.583 (78 mph)
2. gear2.2 (105 mph)2.0 (101 mph)
3. gear1.85 (125 mph)1.667 (121 mph)
4. gear1.6 (144 mph)1.444 (140 mph)
5. gear1.421 (163 mph)1.286 (157 mph)
6. gear1.3 (178 mph)1.15 (176 mph)
ChasisKawasaki ZX-6RYamaha R6
Frame typeTwin-spar aluminum frameAluminium Deltabox
Front susp.41mm Showa USD, 4.72 in travelUSD, dia 41mm, 4.53 in travel
Rear susp.Monoshock, 5.31 in travel4.72 in travel