Kawasaki ZX-6R
131 hp, 636 cc, 423 lbs2013 - 2016
Yamaha R6
133 hp, 599 cc, 401 lbs2006 - 2007
EngineKawasaki ZX-6RYamaha R6
Displacement636 cc599 cc
Max power131 hp (@13 500 RPM)133 hp (@14 500 RPM)
Max torque52 lb ft (@11 500 RPM)50 lb ft (@12 000 RPM)
Redline16 000 RPM16 200 RPM
Idling speed1 300 RPM1 250 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-4DOHC Inline-4
Compression12.90:112.80:1
Oil capacity3.41 quart3.22 quart
Oil type10W4010W40, Motul 300V 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/hp3.02 lbs/hp
Power to weight773 hp/2500lbs828 hp/2500lbs
Battery type12V 8Ah12 V, 8.6 Ah, YTZ10S
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 (79 mph)
2. gear2.2 (105 mph)2.0 (102 mph)
3. gear1.85 (125 mph)1.667 (123 mph)
4. gear1.6 (144 mph)1.444 (142 mph)
5. gear1.421 (163 mph)1.286 (159 mph)
6. gear1.3 (178 mph)1.15 (178 mph)
ChasisKawasaki ZX-6RYamaha R6
Frame typeTwin-spar aluminum frameDiamond
Front susp.41mm Showa USD, 4.72 in travelTelescopic fork USD, 4.72 in travel
Rear susp.Monoshock, 5.31 in travelSwingarm link suspension, coil spring/gas oil damper, 2.36 in travel
Dyno chart of 2006 Yamaha R6