Yamaha R6
121 hp, 600 cc, 401 lbs2003 - 2004
Kawasaki ZX-6R
131 hp, 636 cc, 423 lbs2013 - 2016
EngineYamaha R6Kawasaki ZX-6R
Displacement600 cc636 cc
Max power121 hp (@13 000 RPM)131 hp (@13 500 RPM)
Max torque44 lb ft (@12 000 RPM)52 lb ft (@11 500 RPM)
Redline15 500 RPM16 000 RPM
Idling speed1 300 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-4DOHC Inline-4
Compression12.40:112.90:1
Oil capacity3.22 quart3.41 quart
Oil type10W40, Motul 300V 10W40, Shell Rotella 10W4010W40
Spark plug typeNGK CR9EK, NGK CR10EKNGK CR9E
CoolingLiquidLiquid
Valves1616
Bore65.5 mm67.0 mm
Stroke44.5 mm45.1 mm
Throttle bore38.0 mm38.0 mm
Weight to power3.32 lbs/hp3.23 lbs/hp
Power to weight753 hp/2500lbs773 hp/2500lbs
Battery type12 V 8 Ah, GT9B-412V 8Ah
GearboxYamaha R6Kawasaki ZX-6R
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain type520 X-ring
Gears count66
Primary ratio1.9551.9
Final drive3.02.688
1. gear2.846 (68 mph)2.846 (81 mph)
2. gear1.947 (100 mph)2.2 (105 mph)
3. gear1.556 (125 mph)1.85 (125 mph)
4. gear1.333 (146 mph)1.6 (144 mph)
5. gear1.19 (164 mph)1.421 (163 mph)
6. gear1.083 (180 mph)1.3 (178 mph)
ChasisYamaha R6Kawasaki ZX-6R
Frame typeDiamondTwin-spar aluminum frame
Front susp.Telescopic fork USD, 4.72 in travel41mm Showa USD, 4.72 in travel
Rear susp.Swingarm link, spring/gas-oil damperMonoshock, 5.31 in travel