Yamaha R6
121 hp, 600 cc, 401 lbs2003 - 2004
Kawasaki H2R
310 hp, 998 cc, 476 lbs2015 - 2016
EngineYamaha R6Kawasaki H2R
Displacement600 cc998 cc
Max power121 hp (@13 000 RPM)310 hp (@14 000 RPM)
Max torque44 lb ft (@12 000 RPM)121 lb ft (@12 500 RPM)
Redline15 500 RPM14 000 RPM
Idling speed1 200 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-4DOHC Inline-4
Compression12.40:18.30:1
Oil capacity3.22 quart
Oil type10W40, Motul 300V 10W40, Shell Rotella 10W40
Spark plug typeNGK CR9EK, NGK CR10EK
CoolingLiquidLiquid
Valves1616
Bore65.5 mm76.0 mm
Stroke44.5 mm55.0 mm
Throttle bore38.0 mm50.0 mm
Weight to power3.32 lbs/hp1.54 lbs/hp
Power to weight753 hp/2500lbs1627 hp/2500lbs
Battery type12 V 8 Ah, GT9B-412v 8.6 Ah
GearboxYamaha R6Kawasaki H2R
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain type
Gears count66
Primary ratio1.9551.551
Final drive3.02.333
1. gear2.846 (68 mph)3.188 (93 mph)
2. gear1.947 (100 mph)2.526 (117 mph)
3. gear1.556 (125 mph)2.045 (144 mph)
4. gear1.333 (146 mph)1.727 (171 mph)
5. gear1.19 (164 mph)1.524 (194 mph)
6. gear1.083 (180 mph)1.348 (219 mph)
ChasisYamaha R6Kawasaki H2R
Frame typeDiamondTrellis steel frame
Front susp.Telescopic fork USD, 4.72 in travelKYB 43mm USD, 4.72 in travel
Rear susp.Swingarm link, spring/gas-oil damperKYB monoshock, 5.31 in travel