Yamaha R6
133 hp, 599 cc, 182 kg2006 - 2007
Yamaha WR450F
50 hp, 449 cc, 124 kg2012 - 2015
MetricUS
EngineYamaha R6Yamaha WR450F
Displacement599 cc449 cc
Max power133 hp (@14 500 RPM)50 hp (@8 500 RPM)
Max torque68 Nm (@12 000 RPM)50 Nm (@7 500 RPM)
Redline16 200 RPM11 500 RPM
Idling speed1 250 RPM1 900 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-4DOHC Single
Compression12.80:112.30:1
Oil capacity3.40 litre1.00 litre
Oil type10W40, Motul 300V 10W40, Shell Rotella 10W4010W40
Spark plug typeNGK CR10EKNGK CR8E
CoolingLiquidLiquid
Valves165
Bore67.0 mm95.0 mm
Stroke42.5 mm63.4 mm
Throttle bore42.0 mm
Weight to power1.37 kg/hp2.48 kg/hp
Power to weight730 hp/Ton403 hp/Ton
Battery type12 V, 8.6 Ah, YTZ10S12V 6Ah, YTZ7S (F)
GearboxYamaha R6Yamaha WR450F
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain typeDAIDO 520VM2 114 links
Gears count65
Primary ratio2.0732.652
Final drive2.8133.846
1. gear2.583 (128 km/h)2.417 (59 km/h)
2. gear2.0 (165 km/h)1.733 (83 km/h)
3. gear1.667 (198 km/h)1.313 (109 km/h)
4. gear1.444 (228 km/h)1.05 (136 km/h)
5. gear1.286 (256 km/h)0.84 (170 km/h)
6. gear1.15 (287 km/h)
ChasisYamaha R6Yamaha WR450F
Frame typeDiamondBilateral beam aluminum
Front susp.Telescopic fork USD, 120.00 mm travel48mm USD, 300.00 mm travel
Rear susp.Swingarm link suspension, coil spring/gas oil damper, 60.00 mm travelSwingarm monoshock, 294.00 mm travel
Dyno chart of 2006 Yamaha R6