Yamaha R6
121 hp, 600 cc, 182 kg2003 - 2004
Kawasaki ZX-9R
143 hp, 899 cc, 203 kg2000
MetricUS
EngineYamaha R6Kawasaki ZX-9R
Displacement600 cc899 cc
Max power121 hp (@13 000 RPM)143 hp (@11 000 RPM)
Max torque60 Nm (@12 000 RPM)101 Nm (@9 000 RPM)
Redline15 500 RPM12 000 RPM
Idling speed1 100 RPM
ManagementFuel InjectionCarburetor
LayoutDOHC Inline-4DOHC Inline-4
Compression12.40:111.50:1
Oil capacity3.40 litre
Oil type10W40, Motul 300V 10W40, Shell Rotella 10W40
Spark plug typeNGK CR9EK, NGK CR10EKNGK CR9EK, ND U24ETR
CoolingLiquidLiquid
Valves1616
Bore65.5 mm75.0 mm
Stroke44.5 mm50.9 mm
Throttle bore38.0 mm43.0 mm
Weight to power1.50 kg/hp1.42 kg/hp
Power to weight664 hp/Ton704 hp/Ton
Battery type12 V 8 Ah, GT9B-4
GearboxYamaha R6Kawasaki ZX-9R
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain type
Gears count66
Primary ratio1.9551.714
Final drive3.02.563
1. gear2.846 (110 km/h)2.571 (125 km/h)
2. gear1.947 (161 km/h)1.941 (165 km/h)
3. gear1.556 (202 km/h)1.556 (206 km/h)
4. gear1.333 (235 km/h)1.333 (240 km/h)
5. gear1.19 (264 km/h)1.2 (267 km/h)
6. gear1.083 (290 km/h)1.095 (292 km/h)
ChasisYamaha R6Kawasaki ZX-9R
Frame typeDiamondAluminum twin-spar
Front susp.Telescopic fork USD, 120.00 mm travel46mm USD, 120.00 mm travel
Rear susp.Swingarm link, spring/gas-oil damperMonoshock, 135.00 mm travel