Yamaha R1
170 hp, 998 cc, 428 lbs2004
Kawasaki ZX6R
125 hp, 599 cc, 428 lbs2007 - 2008
EngineYamaha R1Kawasaki ZX6R
Displacement998 cc599 cc
Max power170 hp (@12 500 RPM)125 hp (@14 000 RPM)
Max torque78 lb ft (@10 500 RPM)48 lb ft (@11 700 RPM)
Redline13 500 RPM15 000 RPM
Idling speed1 300 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-4DOHC Inline-4
Compression12.40:113.30:1
Oil capacity3.60 quart3.60 quart
Oil type15W50, Motul 300V 15W50, Liqui Moly 15W5010W40
Spark plug typeNGK CR9EKNGK CR9E
CoolingLiquidLiquid
Valves1616
Bore77.0 mm67.0 mm
Stroke53.6 mm42.5 mm
Throttle bore38.0 mm
Weight to power2.52 lbs/hp3.42 lbs/hp
Power to weight993 hp/2500lbs730 hp/2500lbs
Battery type12V 8Ah
GearboxYamaha R1Kawasaki ZX6R
TypeSequentialSequential
ClutchWetSlipper
DriveChainChain
Chain typeEnuma EK520MVXL1, 112 links
Gears count66
Primary ratio1.5121.9
Final drive2.6472.688
1. gear2.533 (97 mph)2.714 (79 mph)
2. gear2.063 (119 mph)2.2 (98 mph)
3. gear1.762 (139 mph)1.85 (117 mph)
4. gear1.522 (161 mph)1.6 (135 mph)
5. gear1.364 (180 mph)1.421 (152 mph)
6. gear1.269 (194 mph)1.3 (166 mph)
ChasisYamaha R1Kawasaki ZX6R
Frame typeDiamondTubular, diamond
Front susp.Telescopic fork - Coil spring/oil damper (120 mm travel)41mm Telescopic fork (USD) 120 mm travel
Rear susp.Swingarm (link suspension) - Coil spring/gas-oil damperSwingarm (uni-trak) 5.24 in travel