Yamaha MT-125
15 hp, 124 cc, 309 lbs2019 - 2022
Yamaha MT-03
41 hp, 321 cc2016 - 2018
EngineYamaha MT-125Yamaha MT-03
Displacement124 cc321 cc
Max power15 hp (@9 000 RPM)41 hp (@10 750 RPM)
Max torque8 lb ft (@8 000 RPM)22 lb ft (@9 000 RPM)
Redline10 000 RPM12 500 RPM
Idling speed1 200 RPM1 200 RPM
ManagementFuel InjectionFuel Injection
LayoutSOHC SingleDOHC Inline-2
Compression11.20:111.20:1
Oil capacity1.14 quart2.27 quart
Oil type10W40, Yamalube 10W40, Shell Rotella 10W40
Spark plug typeNGK CR8E
CoolingLiquidLiquid
Valves48
Bore52.0 mm68.0 mm
Stroke58.6 mm44.1 mm
Weight to power20.58 lbs/hp
Power to weight121 hp/2500lbs
Battery type12V 5.5AhGTZ8V
GearboxYamaha MT-125Yamaha MT-03
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain type
Gears count66
Primary ratio3.0423.043
Final drive3.423.071
1. gear2.833 (24 mph)2.5 (39 mph)
2. gear1.875 (37 mph)1.824 (54 mph)
3. gear1.364 (51 mph)1.348 (73 mph)
4. gear1.143 (60 mph)1.087 (91 mph)
5. gear0.957 (72 mph)0.92 (107 mph)
6. gear0.84 (82 mph)0.8 (123 mph)
ChasisYamaha MT-125Yamaha MT-03
Frame typeSteel deltaboxDiamond
Front susp.KYB 41mm USD, 5.12 in travel41mm Telescopic fork, 5.12 in travel
Rear susp.Swingarm monoshock, 4.49 in travelSwingarm, 4.92 in travel
Summary

The Yamaha MT-03 and Yamaha MT-125 are two popular motorcycles by Yamaha that cater to different audiences. The Yamaha MT-03, produced between 2016 and 2018, is a naked street bike that offers a more sporty ride. In comparison, the Yamaha MT-125, produced between 2019 and 2022, is a compact street bike that offers a more comfortable and versatile ride.

Starting with the basic characteristics, both motorcycles come with a liquid-cooled engine and have a modern design. The MT-03 has a 321cc engine while the MT-125 has a smaller 125cc engine. The MT-03 is equipped with a six-speed gearbox, while the MT-125 comes with a five-speed transmission. The MT-03 has a curb weight of 168 kg, while the MT-125 is lighter at 140 kg, making it easier to maneuver in tight spaces.

The targeted audience for the MT-03 is riders who are looking for a more aggressive and sporty ride. In contrast, the MT-125 is targeted towards novice and intermediate riders who want a reliable and versatile bike for daily use. Both motorcycles have their strengths and weaknesses.

The best points of the Yamaha MT-03 are its sharp handling and responsive engine. The MT-03 offers quick acceleration, which makes it an excellent choice for experienced riders who enjoy a sportier ride. The lightweight chassis and adjustable suspension also make it a blast to ride on winding roads.

On the other hand, the Yamaha MT-125 shines in comfort and versatility. The seat is comfortable for long rides, and the bike's compact size makes it convenient to ride in congested areas. Additionally, the MT-125 has good fuel economy and is less expensive to maintain than the MT-03.

Areas where the Yamaha MT-03 lets down include the lack of wind protection and the relative lack of low-end power. In contrast, the MT-125 may struggle with speeds above 60 mph and may not offer the same adrenaline rush as the MT-03.

In conclusion, while both motorcycles are excellent rides, they cater to different riders. The MT-03 is perfect for experienced riders who want a sportier ride, while the MT-125 is suitable for beginner and intermediate riders who want a comfortable and versatile bike for daily use.