| Engine | Yamaha MT-03 | Yamaha MT-125 |
|---|---|---|
| Displacement | 321 cc | 124 cc |
| Max power | 41 hp (@10 750 RPM) | 15 hp (@9 000 RPM) |
| Max torque | 22 lb ft (@9 000 RPM) | 8 lb ft (@8 000 RPM) |
| Redline | 12 500 RPM | 10 000 RPM |
| Idling speed | 1 200 RPM | 1 200 RPM |
| Management | Fuel Injection | Fuel Injection |
| Layout | DOHC Inline-2 | SOHC Single |
| Compression | 11.20:1 | 11.20:1 |
| Oil capacity | 2.27 quart | 1.14 quart |
| Oil type | 10W40, Yamalube 10W40, Shell Rotella 10W40 | |
| Spark plug type | NGK CR8E | |
| Cooling | Liquid | Liquid |
| Valves | 8 | 4 |
| Bore | 68.0 mm | 52.0 mm |
| Stroke | 44.1 mm | 58.6 mm |
| Weight to power | 20.58 lbs/hp | |
| Power to weight | 121 hp/2500lbs | |
| Battery type | GTZ8V | 12V 5.5Ah |
| Gearbox | Yamaha MT-03 | Yamaha MT-125 |
|---|---|---|
| Type | Sequential | Sequential |
| Clutch | Wet | Wet |
| Drive | Chain | Chain |
| Chain type | ||
| Gears count | 6 | 6 |
| Primary ratio | 3.043 | 3.042 |
| Final drive | 3.071 | 3.42 |
| 1. gear | 2.5 (39 mph) | 2.833 (24 mph) |
| 2. gear | 1.824 (54 mph) | 1.875 (37 mph) |
| 3. gear | 1.348 (73 mph) | 1.364 (51 mph) |
| 4. gear | 1.087 (91 mph) | 1.143 (60 mph) |
| 5. gear | 0.92 (107 mph) | 0.957 (72 mph) |
| 6. gear | 0.8 (123 mph) | 0.84 (82 mph) |
| Chasis | Yamaha MT-03 | Yamaha MT-125 |
|---|---|---|
| Frame type | Diamond | Steel deltabox |
| Front susp. | 41mm Telescopic fork, 5.12 in travel | KYB 41mm USD, 5.12 in travel |
| Rear susp. | Swingarm, 4.92 in travel | Swingarm monoshock, 4.49 in travel |
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. |