Yamaha R1
170 hp, 998 cc, 194 kg2004
Kawasaki Z1000
125 hp, 953 cc, 221 kg2007 - 2009
MetricUS
EngineYamaha R1Kawasaki Z1000
Displacement998 cc953 cc
Max power170 hp (@12 500 RPM)125 hp (@10 000 RPM)
Max torque107 Nm (@10 500 RPM)99 Nm (@8 200 RPM)
Redline13 500 RPM11 000 RPM
Idling speed1 200 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-4DOHC Inline-4
Compression12.40:111.20:1
Oil capacity3.80 litre3.50 litre
Oil type15W50, Motul 300V 15W50, Liqui Moly 15W5010W40, Kawasaki 10W40, Shell Rotella 10W40
Spark plug typeNGK CR9EKNGK CR9EIA-9
CoolingLiquidLiquid
Valves1616
Bore77.0 mm77.2 mm
Stroke53.6 mm50.9 mm
Weight to power1.14 kg/hp1.77 kg/hp
Power to weight876 hp/Ton565 hp/Ton
GearboxYamaha R1Kawasaki Z1000
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain type
Gears count66
Primary ratio1.5121.714
Final drive2.6472.666
1. gear2.533 (156 km/h)2.571 (110 km/h)
2. gear2.063 (192 km/h)1.882 (150 km/h)
3. gear1.762 (224 km/h)1.555 (181 km/h)
4. gear1.522 (260 km/h)1.333 (212 km/h)
5. gear1.364 (290 km/h)1.2 (235 km/h)
6. gear1.269 (312 km/h)1.095 (258 km/h)
ChasisYamaha R1Kawasaki Z1000
Frame typeDiamondSteel, Backbone frame
Front susp.Telescopic fork - Coil spring/oil damper (120 mm travel)41 mm inverted cartridge fork
Rear susp.Swingarm (link suspension) - Coil spring/gas-oil damperBottom-Link Uni-Trak with gas-charged shock