Yamaha R3
42 hp, 321 cc, 366 lbs2019 - 2020
Yamaha R6
121 hp, 600 cc, 401 lbs2003 - 2004
EngineYamaha R3Yamaha R6
Displacement321 cc600 cc
Max power42 hp (@10 750 RPM)121 hp (@13 000 RPM)
Max torque21 lb ft (@9 000 RPM)44 lb ft (@12 000 RPM)
Redline12 245 RPM15 500 RPM
Idling speed1 200 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-2DOHC Inline-4
Compression11.20:112.40:1
Oil capacity2.27 quart3.22 quart
Oil type10W40, Motul 300V 10W40, Shell Rotella 10W4010W40, Motul 300V 10W40, Shell Rotella 10W40
Spark plug typeNGK CR8ENGK CR9EK, NGK CR10EK
CoolingLiquidLiquid
Valves416
Bore68.0 mm65.5 mm
Stroke44.1 mm44.5 mm
Throttle bore32.0 mm38.0 mm
Weight to power8.71 lbs/hp3.32 lbs/hp
Power to weight286 hp/2500lbs753 hp/2500lbs
Battery type12V, 7.0 Ah, GTZ8V12 V 8 Ah, GT9B-4
GearboxYamaha R3Yamaha R6
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain type
Gears count66
Primary ratio3.0431.955
Final drive3.0713.0
1. gear2.5 (39 mph)2.846 (68 mph)
2. gear1.824 (53 mph)1.947 (100 mph)
3. gear1.348 (71 mph)1.556 (125 mph)
4. gear1.087 (89 mph)1.333 (146 mph)
5. gear0.92 (105 mph)1.19 (164 mph)
6. gear0.8 (120 mph)1.083 (180 mph)
ChasisYamaha R3Yamaha R6
Frame typeSteel trellisDiamond
Front susp.KYB USD, 129 mm travelTelescopic fork USD, 4.72 in travel
Rear susp.Swingarm, spring/shock absorber, coil spring/oil damper, 130 mm travelSwingarm link, spring/gas-oil damper
Dyno chart of 2019 Yamaha R3