Kawasaki ZX-6R
131 hp, 636 cc, 423 lbs2013 - 2016
Yamaha FZ6-ST
98 hp, 600 cc, 456 lbs2006 - 2009
EngineKawasaki ZX-6RYamaha FZ6-ST
Engine code5VX8
Displacement636 cc600 cc
Max power131 hp (@13 500 RPM)98 hp (@12 000 RPM)
Max torque52 lb ft (@11 500 RPM)46 lb ft (@10 000 RPM)
Redline16 000 RPM14 000 RPM
Idling speed1 300 RPM1 250 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-4DOHC Inline-4
Compression12.90:112.20:1
Oil capacity3.41 quart2.37 quart
Oil type10W4010W40, Yamalube 10W40, Shell Rotella 10W40
Spark plug typeNGK CR9ENGK CR9EK
CoolingLiquidLiquid
Valves1616
Bore67.0 mm65.5 mm
Stroke45.1 mm44.5 mm
Throttle bore38.0 mm
Weight to power3.23 lbs/hp4.66 lbs/hp
Power to weight773 hp/2500lbs536 hp/2500lbs
Battery type12V 8AhYT12B-BS
GearboxKawasaki ZX-6RYamaha FZ6-ST
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain type520 X-ringDID 50V4
Gears count66
Primary ratio1.91.955
Final drive2.6882.875
1. gear2.846 (81 mph)2.846 (65 mph)
2. gear2.2 (105 mph)1.947 (94 mph)
3. gear1.85 (125 mph)1.556 (118 mph)
4. gear1.6 (144 mph)1.333 (138 mph)
5. gear1.421 (163 mph)1.19 (154 mph)
6. gear1.3 (178 mph)1.083 (170 mph)
ChasisKawasaki ZX-6RYamaha FZ6-ST
Frame typeTwin-spar aluminum frameDiamond
Front susp.41mm Showa USD, 4.72 in travelTelescopic fork, 5.12 in travel
Rear susp.Monoshock, 5.31 in travelMonoshock, coil spring/gas oil damper