Yamaha R1
152 hp, 998 cc, 425 lbs2002 - 2003
Kawasaki Z1000
140 hp, 1043 cc, 487 lbs2014 - 2018
EngineYamaha R1Kawasaki Z1000
Displacement998 cc1043 cc
Max power152 hp (@10 500 RPM)140 hp (@10 000 RPM)
Max torque76 lb ft (@8 500 RPM)81 lb ft (@7 300 RPM)
Redline11 750 RPM11 200 RPM
Idling speed1 200 RPM1 200 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-4DOHC Inline-4
Compression11.80:111.80:1
Oil capacity3.79 quart
Oil typeSAE 10W40
Spark plug typeNGK CR9EIA-9
CoolingLiquidLiquid
Valves2016
Bore74.0 mm77.0 mm
Stroke58.0 mm56.0 mm
Throttle bore40.0 mm38.0 mm
Weight to power2.80 lbs/hp3.48 lbs/hp
Power to weight893 hp/2500lbs718 hp/2500lbs
Battery type12V 10Ah
GearboxYamaha R1Kawasaki Z1000
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain type530 O-ring
Gears count66
Primary ratio1.5811.627
Final drive2.6852.867
1. gear2.5 (81 mph)2.6 (67 mph)
2. gear1.842 (109 mph)1.95 (89 mph)
3. gear1.5 (134 mph)1.6 (109 mph)
4. gear1.333 (151 mph)1.389 (126 mph)
5. gear1.2 (168 mph)1.238 (141 mph)
6. gear1.115 (181 mph)1.107 (158 mph)
ChasisYamaha R1Kawasaki Z1000
Frame typeTwin-spar aluminiumAluminum twin-spar
Front susp.43mm USD, 4.72 in travelShowa 41mm USD, 4.72 in travel
Rear susp.Swingarm monoshock, 5.12 in travelMonoshock, 5.39 in travel