Yamaha R6
123 hp, 599 cc, 417 lbs2015 - 2016
Kawasaki ER6N
72 hp, 649 cc, 454 lbs2005 - 2008
EngineYamaha R6Kawasaki ER6N
Displacement599 cc649 cc
Max power123 hp (@14 500 RPM)72 hp (@8 500 RPM)
Max torque47 lb ft (@10 500 RPM)48 lb ft (@7 000 RPM)
Redline16 000 RPM11 000 RPM
Idling speed1 200 RPM1 200 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-4DOHC Inline-2
Compression13.10:111.30:1
Oil capacity3.22 quart2.27 quart
Oil type10W40, Yamalube 10W40, Shell Rotella 10W4010W40
Spark plug typeNGK CR10EKNGK CR9EIA-9
CoolingLiquidLiquid
Valves168
Bore67.0 mm83.0 mm
Stroke42.5 mm60.0 mm
Throttle bore38.0 mm
Weight to power3.39 lbs/hp6.31 lbs/hp
Power to weight737 hp/2500lbs396 hp/2500lbs
Battery typeYTZ10S12V 10Ah
GearboxYamaha R6Kawasaki ER6N
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain typeEnuma EK520MVXL 114 links
Gears count66
Primary ratio2.0732.095
Final drive2.8133.067
1. gear2.583 (78 mph)2.438 (52 mph)
2. gear2.0 (101 mph)1.714 (73 mph)
3. gear1.667 (121 mph)1.333 (94 mph)
4. gear1.444 (140 mph)1.111 (112 mph)
5. gear1.286 (157 mph)0.966 (129 mph)
6. gear1.15 (176 mph)0.852 (147 mph)
ChasisYamaha R6Kawasaki ER6N
Frame typeAluminium DeltaboxTubular steel cradle
Front susp.USD, dia 41mm, 4.53 in travel41mm fork, 120 mm travel
Rear susp.4.72 in travelSide mounted mono shock, 4.92 in travel