Yamaha MT-03
41 hp, 321 cc2016 - 2018
Yamaha MT-125
15 hp, 124 cc, 140 kg2019 - 2022
MetricUS
EngineYamaha MT-03Yamaha MT-125
Displacement321 cc124 cc
Max power41 hp (@10 750 RPM)15 hp (@9 000 RPM)
Max torque30 Nm (@9 000 RPM)12 Nm (@8 000 RPM)
Redline12 500 RPM10 000 RPM
Idling speed1 200 RPM1 200 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-2SOHC Single
Compression11.20:111.20:1
Oil capacity2.40 litre1.20 litre
Oil type10W40, Yamalube 10W40, Shell Rotella 10W40
Spark plug typeNGK CR8E
CoolingLiquidLiquid
Valves84
Bore68.0 mm52.0 mm
Stroke44.1 mm58.6 mm
Weight to power9.33 kg/hp
Power to weight107 hp/Ton
Battery typeGTZ8V12V 5.5Ah
GearboxYamaha MT-03Yamaha MT-125
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain type
Gears count66
Primary ratio3.0433.042
Final drive3.0713.42
1. gear2.5 (63 km/h)2.833 (39 km/h)
2. gear1.824 (87 km/h)1.875 (59 km/h)
3. gear1.348 (117 km/h)1.364 (82 km/h)
4. gear1.087 (146 km/h)1.143 (97 km/h)
5. gear0.92 (172 km/h)0.957 (116 km/h)
6. gear0.8 (198 km/h)0.84 (132 km/h)
ChasisYamaha MT-03Yamaha MT-125
Frame typeDiamondSteel deltabox
Front susp.41mm Telescopic fork, 130.00 mm travelKYB 41mm USD, 130.00 mm travel
Rear susp.Swingarm, 125.00 mm travelSwingarm monoshock, 114.00 mm 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.