Yamaha MT-15
19 hp, 155 cc, 304 lbs2019 - 2020
Yamaha MT-03
41 hp, 321 cc2016 - 2018
EngineYamaha MT-15Yamaha MT-03
Engine codeLC 4V
Displacement155 cc321 cc
Max power19 hp (@10 000 RPM)41 hp (@10 750 RPM)
Max torque11 lb ft (@8 500 RPM)22 lb ft (@9 000 RPM)
Redline11 000 RPM12 500 RPM
Idling speed1 100 RPM1 200 RPM
ManagementFuel InjectionFuel Injection
LayoutSOHC SingleDOHC Inline-2
Compression11.60:111.20:1
Oil capacity0.80 quart2.27 quart
Oil type10W4010W40, Yamalube 10W40, Shell Rotella 10W40
Spark plug typeNGK MR8E9NGK CR8E
CoolingLiquidLiquid
Valves48
Bore58.0 mm68.0 mm
Stroke58.7 mm44.1 mm
Weight to power16.01 lbs/hp
Power to weight156 hp/2500lbs
Battery type12V 4Ah, YTZ4VGTZ8V
GearboxYamaha MT-15Yamaha MT-03
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain typeRK 428
Gears count66
Primary ratio3.0423.043
Final drive3.7143.071
1. gear2.833 (25 mph)2.5 (39 mph)
2. gear1.875 (38 mph)1.824 (54 mph)
3. gear1.364 (52 mph)1.348 (73 mph)
4. gear1.143 (63 mph)1.087 (91 mph)
5. gear0.957 (75 mph)0.92 (107 mph)
6. gear0.84 (85 mph)0.8 (123 mph)
ChasisYamaha MT-15Yamaha MT-03
Frame typeDeltabox steelDiamond
Front susp.Telescopic fork, 5.12 in travel41mm Telescopic fork, 5.12 in travel
Rear susp.Monoshock, 3.82 in travelSwingarm, 4.92 in travel