Yamaha R3
42 hp, 321 cc, 366 lbs2015 - 2018
Honda XR 400R
33 hp, 397 cc, 276 lbs2002
EngineYamaha R3Honda XR 400R
Displacement321 cc397 cc
Max power42 hp (@10 750 RPM)33 hp (@65 000 RPM)
Max torque21 lb ft (@9 000 RPM)
Redline12 245 RPM
Idling speed1 200 RPM
ManagementFuel InjectionCarburetor
LayoutDOHC Inline-2SOHC Single
Compression11.20:19.30:1
Oil capacity2.27 quart
Oil type10W40, Motul 300V 10W40, Shell Rotella 10W40
Spark plug typeNGK CR8E
CoolingLiquidAir
Valves44
Bore68.0 mm85.0 mm
Stroke44.1 mm70.0 mm
Throttle bore38.0 mm
Weight to power8.71 lbs/hp8.35 lbs/hp
Power to weight286 hp/2500lbs299 hp/2500lbs
Battery type12V, 7.0 Ah, GTZ8V
GearboxYamaha R3Honda XR 400R
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain type
Gears count65
Primary ratio3.0432.826
Final drive3.0713.0
1. gear2.5 (39 mph)2.615
2. gear1.824 (53 mph)1.842
3. gear1.348 (71 mph)1.4
4. gear1.087 (89 mph)1.12
5. gear0.92 (105 mph)0.926
6. gear0.8 (120 mph)
ChasisYamaha R3Honda XR 400R
Frame typeDiamondSteel
Front susp.Telescopic fork, coil spring, oil damper, 130 mm travel43 mm Showa Telescopic forks, 11.02 in travel
Rear susp.Swingarm, spring/shock absorber, coil spring/oil damper, 130 mm travelShowa Mono shock absorber, 11.81 in travel
Dyno chart of 2015 Yamaha R3