Yamaha R3
42 hp, 321 cc, 166 kg2015 - 2018
MetricUS
Engine
Max power42 hp (@10 750 RPM)
Max torque29 Nm (@9 000 RPM)
Displacement321 cc
LayoutDOHC Inline-2
Valves4
Redline12 245 RPM
Idling speed1 200 RPM
ManagementFuel Injection
Compression11.20:1
Bore x Stroke68.0 mm x 44.1 mm
Oil capacity2.40 litre
Oil type10W40, Motul 300V 10W40, Shell Rotella 10W40
Spark plug typeNGK CR8E
CoolingLiquid
Weight to power3.95 kg/hp
Power to weight253 hp/Ton
Battery type12V, 7.0 Ah, GTZ8V
Brakes
Front brakesDisc
Front caliper1 piston
Front brake diameter298 mm
Rear brakesDisc
Rear caliper1 piston
Rear brake diameter220 mm
Brake fluidDOT4
Tires
Front tire110/70 17 M/C (54H)
Pressure2.00 bar
Rear tire140/70 17 M/C (66H)
Pressure2.50 bar
Stock tiresMichelin Pilot Street
Dyno chart of 2015 Yamaha R3