Yamaha MT-03
48 hp, 660 cc, 423 lbs2006 - 2015
Yamaha R3
42 hp, 321 cc, 366 lbs2015 - 2018
EngineYamaha MT-03Yamaha R3
Displacement660 cc321 cc
Max power48 hp (@6 250 RPM)42 hp (@10 750 RPM)
Max torque41 lb ft (@5 500 RPM)21 lb ft (@9 000 RPM)
Redline7 500 RPM12 245 RPM
Idling speed1 200 RPM1 200 RPM
ManagementFuel InjectionFuel Injection
LayoutSOHC SingleDOHC Inline-2
Compression10.00:111.20:1
Oil capacity3.22 quart2.27 quart
Oil type10W40, Yamalube 10W40, Shell Rotella 10W4010W40, Motul 300V 10W40, Shell Rotella 10W40
Spark plug typeNGK CR7ENGK CR8E
CoolingLiquidLiquid
Valves44
Bore100.0 mm68.0 mm
Stroke84.0 mm44.1 mm
Weight to power8.82 lbs/hp8.71 lbs/hp
Power to weight283 hp/2500lbs286 hp/2500lbs
Battery typeGT9B-4, 12V 8Ah12V, 7.0 Ah, GTZ8V
GearboxYamaha MT-03Yamaha R3
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain type
Gears count56
Primary ratio2.0833.043
Final drive3.1333.071
1. gear2.5 (34 mph)2.5 (39 mph)
2. gear1.625 (52 mph)1.824 (53 mph)
3. gear1.15 (73 mph)1.348 (71 mph)
4. gear0.909 (93 mph)1.087 (89 mph)
5. gear0.769 (109 mph)0.92 (105 mph)
6. gear0.8 (120 mph)
ChasisYamaha MT-03Yamaha R3
Frame typeTruss diamondDiamond
Front susp.Telescopic fork, 5.12 in travelTelescopic fork, coil spring, oil damper, 130 mm travel
Rear susp.Swingarm, 4.72 in travelSwingarm, spring/shock absorber, coil spring/oil damper, 130 mm travel
Dyno chart of 2015 Yamaha R3