Kawasaki ZX-6R
128 hp, 636 cc, 192 kg2005 - 2006
Yamaha R6
123 hp, 599 cc, 189 kg2015 - 2016
MetricUS
EngineKawasaki ZX-6RYamaha R6
Displacement636 cc599 cc
Max power128 hp (@14 000 RPM)123 hp (@14 500 RPM)
Max torque65 Nm (@11 500 RPM)65 Nm (@10 500 RPM)
Redline15 000 RPM16 000 RPM
Idling speed1 200 RPM1 200 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-4DOHC Inline-4
Compression12.90:113.10:1
Oil capacity3.40 litre3.40 litre
Oil type10W50, Motul 5100 10W50, Liqui Moly 10W5010W40, Yamalube 10W40, Shell Rotella 10W40
Spark plug typeNGK CR9ENGK CR10EK
CoolingLiquidLiquid
Valves1616
Bore68.0 mm67.0 mm
Stroke43.8 mm42.5 mm
Weight to power1.50 kg/hp1.54 kg/hp
Power to weight666 hp/Ton650 hp/Ton
Battery type12V 8AhYTZ10S
GearboxKawasaki ZX-6RYamaha R6
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain type520
Gears count66
Primary ratio1.8912.073
Final drive2.8662.813
1. gear2.923 (112 km/h)2.583 (126 km/h)
2. gear2.055 (160 km/h)2.0 (163 km/h)
3. gear1.666 (197 km/h)1.667 (195 km/h)
4. gear1.45 (227 km/h)1.444 (226 km/h)
5. gear1.272 (258 km/h)1.286 (253 km/h)
6. gear1.153 (285 km/h)1.15 (283 km/h)
ChasisKawasaki ZX-6RYamaha R6
Frame typeTubular, diamondAluminium Deltabox
Front susp.USD fork, 120 mm travelUSD, dia 41mm, 115.00 mm travel
Rear susp.Monoshock (uni-trak) 135.00 mm travel120/65120.00 mm travel