Yamaha R3
42 hp, 321 cc, 166 kg2019 - 2020
Yamaha R6
121 hp, 600 cc, 182 kg2003 - 2004
MetricUS
EngineYamaha R3Yamaha R6
Displacement321 cc600 cc
Max power42 hp (@10 750 RPM)121 hp (@13 000 RPM)
Max torque29 Nm (@9 000 RPM)60 Nm (@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 capacity2.40 litre3.40 litre
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 power3.95 kg/hp1.50 kg/hp
Power to weight253 hp/Ton664 hp/Ton
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 (62 km/h)2.846 (110 km/h)
2. gear1.824 (85 km/h)1.947 (161 km/h)
3. gear1.348 (115 km/h)1.556 (202 km/h)
4. gear1.087 (143 km/h)1.333 (235 km/h)
5. gear0.92 (169 km/h)1.19 (264 km/h)
6. gear0.8 (194 km/h)1.083 (290 km/h)
ChasisYamaha R3Yamaha R6
Frame typeSteel trellisDiamond
Front susp.KYB USD, 129 mm travelTelescopic fork USD, 120.00 mm 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