Yamaha R3
42 hp, 321 cc, 366 lbs2019 - 2020
Yamaha R6
123 hp, 599 cc, 417 lbs2015 - 2016
EngineYamaha R3Yamaha R6
Displacement321 cc599 cc
Max power42 hp (@10 750 RPM)123 hp (@14 500 RPM)
Max torque21 lb ft (@9 000 RPM)47 lb ft (@10 500 RPM)
Redline12 245 RPM16 000 RPM
Idling speed1 200 RPM1 200 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-2DOHC Inline-4
Compression11.20:113.10:1
Oil capacity2.27 quart3.22 quart
Oil type10W40, Motul 300V 10W40, Shell Rotella 10W4010W40, Yamalube 10W40, Shell Rotella 10W40
Spark plug typeNGK CR8ENGK CR10EK
CoolingLiquidLiquid
Valves416
Bore68.0 mm67.0 mm
Stroke44.1 mm42.5 mm
Throttle bore32.0 mm
Weight to power8.71 lbs/hp3.39 lbs/hp
Power to weight286 hp/2500lbs737 hp/2500lbs
Battery type12V, 7.0 Ah, GTZ8VYTZ10S
GearboxYamaha R3Yamaha R6
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain type
Gears count66
Primary ratio3.0432.073
Final drive3.0712.813
1. gear2.5 (39 mph)2.583 (78 mph)
2. gear1.824 (53 mph)2.0 (101 mph)
3. gear1.348 (71 mph)1.667 (121 mph)
4. gear1.087 (89 mph)1.444 (140 mph)
5. gear0.92 (105 mph)1.286 (157 mph)
6. gear0.8 (120 mph)1.15 (176 mph)
ChasisYamaha R3Yamaha R6
Frame typeSteel trellisAluminium Deltabox
Front susp.KYB USD, 129 mm travelUSD, dia 41mm, 4.53 in travel
Rear susp.Swingarm, spring/shock absorber, coil spring/oil damper, 130 mm travel4.72 in travel
Dyno chart of 2019 Yamaha R3