Yamaha R6
133 hp, 599 cc, 401 lbs2006 - 2007
Kawasaki ZX-25R
45 hp, 249 cc2020
EngineYamaha R6Kawasaki ZX-25R
Displacement599 cc249 cc
Max power133 hp (@14 500 RPM)45 hp (@12 000 RPM)
Max torque50 lb ft (@12 000 RPM)24 lb ft (@9 000 RPM)
Redline16 200 RPM17 000 RPM
Idling speed1 250 RPM1 200 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-4DOHC Inline-4
Compression12.80:1
Oil capacity3.22 quart
Oil type10W40, Motul 300V 10W40, Shell Rotella 10W40
Spark plug typeNGK CR10EK
CoolingLiquidLiquid
Valves16
Bore67.0 mm
Stroke42.5 mm
Weight to power3.02 lbs/hp
Power to weight828 hp/2500lbs
Battery type12 V, 8.6 Ah, YTZ10S
GearboxYamaha R6Kawasaki ZX-25R
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain type
Gears count60
Primary ratio2.073
Final drive2.813
1. gear2.583 (79 mph)
2. gear2.0 (102 mph)
3. gear1.667 (123 mph)
4. gear1.444 (142 mph)
5. gear1.286 (159 mph)
6. gear1.15 (178 mph)
ChasisYamaha R6Kawasaki ZX-25R
Frame typeDiamond
Front susp.Telescopic fork USD, 4.72 in travel
Rear susp.Swingarm link suspension, coil spring/gas oil damper, 2.36 in travel
Dyno chart of 2006 Yamaha R6