Yamaha R6
123 hp, 599 cc, 189 kg2015 - 2016
Yamaha WR450F
50 hp, 449 cc, 124 kg2012 - 2015
MetricUS
EngineYamaha R6Yamaha WR450F
Displacement599 cc449 cc
Max power123 hp (@14 500 RPM)50 hp (@8 500 RPM)
Max torque65 Nm (@10 500 RPM)50 Nm (@7 500 RPM)
Redline16 000 RPM11 500 RPM
Idling speed1 200 RPM1 900 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-4DOHC Single
Compression13.10:112.30:1
Oil capacity3.40 litre1.00 litre
Oil type10W40, Yamalube 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 power1.54 kg/hp2.48 kg/hp
Power to weight650 hp/Ton403 hp/Ton
Battery typeYTZ10S12V 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 (126 km/h)2.417 (59 km/h)
2. gear2.0 (163 km/h)1.733 (83 km/h)
3. gear1.667 (195 km/h)1.313 (109 km/h)
4. gear1.444 (226 km/h)1.05 (136 km/h)
5. gear1.286 (253 km/h)0.84 (170 km/h)
6. gear1.15 (283 km/h)
ChasisYamaha R6Yamaha WR450F
Frame typeAluminium DeltaboxBilateral beam aluminum
Front susp.USD, dia 41mm, 115.00 mm travel48mm USD, 300.00 mm travel
Rear susp.120.00 mm travelSwingarm monoshock, 294.00 mm travel