Yamaha R6
123 hp, 599 cc, 417 lbs2015 - 2016
Honda XR 400R
33 hp, 397 cc, 276 lbs2002
EngineYamaha R6Honda XR 400R
Displacement599 cc397 cc
Max power123 hp (@14 500 RPM)33 hp (@65 000 RPM)
Max torque47 lb ft (@10 500 RPM)
Redline16 000 RPM
Idling speed1 200 RPM
ManagementFuel InjectionCarburetor
LayoutDOHC Inline-4SOHC Single
Compression13.10:19.30:1
Oil capacity3.22 quart
Oil type10W40, Yamalube 10W40, Shell Rotella 10W40
Spark plug typeNGK CR10EK
CoolingLiquidAir
Valves164
Bore67.0 mm85.0 mm
Stroke42.5 mm70.0 mm
Throttle bore38.0 mm
Weight to power3.39 lbs/hp8.35 lbs/hp
Power to weight737 hp/2500lbs299 hp/2500lbs
Battery typeYTZ10S
GearboxYamaha R6Honda XR 400R
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain type
Gears count65
Primary ratio2.0732.826
Final drive2.8133.0
1. gear2.583 (78 mph)2.615
2. gear2.0 (101 mph)1.842
3. gear1.667 (121 mph)1.4
4. gear1.444 (140 mph)1.12
5. gear1.286 (157 mph)0.926
6. gear1.15 (176 mph)
ChasisYamaha R6Honda XR 400R
Frame typeAluminium DeltaboxSteel
Front susp.USD, dia 41mm, 4.53 in travel43 mm Showa Telescopic forks, 11.02 in travel
Rear susp.4.72 in travelShowa Mono shock absorber, 11.81 in travel