Kawasaki ZX6R
130 hp, 636 cc, 432 lbs2019
Yamaha R6
121 hp, 600 cc, 401 lbs2003 - 2004
EngineKawasaki ZX6RYamaha R6
Displacement636 cc600 cc
Max power130 hp (@13 500 RPM)121 hp (@13 000 RPM)
Max torque51 lb ft (@11 000 RPM)44 lb ft (@12 000 RPM)
Redline15 000 RPM15 500 RPM
Idling speed1 200 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-4DOHC Inline-4
Compression12.90:112.40:1
Oil capacity3.22 quart
Oil type10W40, Motul 300V 10W40, Shell Rotella 10W40
Spark plug typeNGK CR9EK, NGK CR10EK
CoolingLiquidLiquid
Valves1616
Bore67.0 mm65.5 mm
Stroke45.1 mm44.5 mm
Throttle bore38.0 mm38.0 mm
Weight to power3.32 lbs/hp3.32 lbs/hp
Power to weight752 hp/2500lbs753 hp/2500lbs
Battery type12 V 8 Ah, GT9B-4
GearboxKawasaki ZX6RYamaha R6
TypeSequentialSequential
ClutchSlipperWet
DriveChainChain
Chain type
Gears count66
Primary ratio1.91.955
Final drive2.2943.0
1. gear2.846 (89 mph)2.846 (68 mph)
2. gear2.2 (116 mph)1.947 (100 mph)
3. gear1.85 (137 mph)1.556 (125 mph)
4. gear1.6 (158 mph)1.333 (146 mph)
5. gear1.421 (179 mph)1.19 (164 mph)
6. gear1.3 (195 mph)1.083 (180 mph)
ChasisKawasaki ZX6RYamaha R6
Frame typeTwin spar cast aluminium frameDiamond
Front susp.41mm Showa Separate Function Fork - Big Piston USD, 4.72 in travelTelescopic fork USD, 4.72 in travel
Rear susp.Uni Trak monoshock, 5.94 in travelSwingarm link, spring/gas-oil damper