Kawasaki ZX-6R
128 hp, 636 cc, 423 lbs2005 - 2006
Yamaha R1
170 hp, 998 cc, 428 lbs2004
EngineKawasaki ZX-6RYamaha R1
Displacement636 cc998 cc
Max power128 hp (@14 000 RPM)170 hp (@12 500 RPM)
Max torque47 lb ft (@11 500 RPM)78 lb ft (@10 500 RPM)
Redline15 000 RPM13 500 RPM
Idling speed1 200 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-4DOHC Inline-4
Compression12.90:112.40:1
Oil capacity3.22 quart3.60 quart
Oil type10W50, Motul 5100 10W50, Liqui Moly 10W5015W50, Motul 300V 15W50, Liqui Moly 15W50
Spark plug typeNGK CR9ENGK CR9EK
CoolingLiquidLiquid
Valves1616
Bore68.0 mm77.0 mm
Stroke43.8 mm53.6 mm
Weight to power3.31 lbs/hp2.52 lbs/hp
Power to weight755 hp/2500lbs993 hp/2500lbs
Battery type12V 8Ah
GearboxKawasaki ZX-6RYamaha R1
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain type520
Gears count66
Primary ratio1.8911.512
Final drive2.8662.647
1. gear2.923 (70 mph)2.533 (97 mph)
2. gear2.055 (99 mph)2.063 (119 mph)
3. gear1.666 (122 mph)1.762 (139 mph)
4. gear1.45 (141 mph)1.522 (161 mph)
5. gear1.272 (160 mph)1.364 (180 mph)
6. gear1.153 (177 mph)1.269 (194 mph)
ChasisKawasaki ZX-6RYamaha R1
Frame typeTubular, diamondDiamond
Front susp.USD fork, 120 mm travelTelescopic fork - Coil spring/oil damper (120 mm travel)
Rear susp.Monoshock (uni-trak) 5.31 in travel120/65Swingarm (link suspension) - Coil spring/gas-oil damper