Naked Motorcycles
2021Yamaha MT-03
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The 2021 Yamaha MT-03 is an accessible middleweight naked bike designed for new and intermediate riders seeking an engaging entry point to sport riding. Its 321cc parallel-twin engine delivers manageable power and smooth character, making it ideal for urban commuting and weekend road riding. Known for its nimble handling, lightweight feel, and user-friendly nature, the MT-03 balances performance with practicality.
- Capacity
- 321.0 ccm
- Engine
- Parallel Twin, four-stroke
- Gearbox
- 6-speed
- Dry weight
- 168.0 kg
- Seat height
- 780 mm
- Power
- 42.0 HP (30.7 kW) @ 10750 RPM
What’s new for the 2021 Yamaha MT-03
vs the 2020| Spec | 2020 | 2021 |
|---|---|---|
| Front suspension | Telescopic forks | 37mm KYB® inverted fork |
| Rear suspension | Swingarm | Single shock; 7-step preload adjustable |
Other years
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Urban commuting and spirited backroad riding on a budget-friendly naked twin; a nimble, everyday A2-friendly street bike.
- Built for
- Friendly, playful and forgiving; the 321cc twin is smooth and eager without being intimidating, rewarding rider confidence.
- Not ideal for
- Not for highway tourers, two-up long-haul trips, or riders chasing big-bore horsepower and outright top speed.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Will it fit you?
Worked out in your browser - nothing is sent to usRange and running costs
Worked out in your browser - nothing is sent to usBased on the maker's published fuel consumption and tank size. Real-world figures depend on how and where you ride, and the last litres of a tank are reserve. Prices shown greyed are examples - type your own.
Engine
- Capacity
- 321.0 ccm
- Power
- 42.0 HP (30.7 kW) @ 10750 RPM
- CO2 Emissions
- 97 CO2 g/km
- Torque
- 29.6 Nm (3.0 kgf-m) @ 9000 RPM
- Engine type
- Parallel Twin, four-stroke
- Fuel consumption
- 4.20 litres/100 km (23.8 km/l)
- Power/weight ratio
- 0.2500 HP/kg (dry)
- Bore x stroke
- 68.0 x 44.1 mm
- Compression
- 11.2:1
- Cooling system
- Liquid
- Fuel system
- Injection
- Starting
- Electric
- Ignition
- TCI
- Valves per cylinder
- 4
- Lubrication system
- Wet sump
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Multiplate wet
Performance
- 0-60 mph
- 5.00 seconds
- 0-100 km/h (0-62 mph)
- 5.40 seconds
Dimensions & weight
- Wheelbase
- 1380 mm
- Overall length
- 2090 mm
- Overall width
- 754 mm
- Overall height
- 1069 mm
- Seat height
- 780 mm
- Dry weight
- 168.0 kg
- Wet weight
- 169.2 kg
- Fuel capacity
- 14.00 litres
- Ground clearance
- 160 mm
- Oil capacity
- 2.40 litres
Chassis & suspension
- Frame
- Diamond
- Front suspension
- 37mm KYB® inverted fork
- Rear suspension
- Single shock; 7-step preload adjustable
- Front wheel travel
- 130 mm
- Rear wheel travel
- 125 mm
- Rake (fork angle)
- 25.0°
- Trail
- 95 mm
Brakes & wheels
- Front brakes
- Single disc. ABS
- Front brakes diameter
- 298 mm
- Rear brakes
- Single disc. ABS
- ABS
- Yes
- Front tyre
- 110/70-17M
- Rear tyre
- 140/70-17M
Other
- Color options
- Matte Stealth Black, Storm Fluo
- Warranty
- 12
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted| Specification | 2004 | 2010 | 2015 | 2021 | 2026 |
|---|---|---|---|---|---|
| Capacity | 660 cc | 660 cc | 321 cc | 321 cc | 321 cc |
| Dry weight | 175 kg | 175 kg | — | 168 kg | — |
| Seat height | 805 mm | 805 mm | 780 mm | 780 mm | 780 mm |
| Fuel capacity | 15 L | 15 L | 14 L | 14 L | 14 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the Yamaha MT-03?
The 2021 Yamaha MT-03 has a Capacity of 321.0 ccm (19.59 cubic inches).
What engine power does the Yamaha MT-03 have?
The 2021 Yamaha MT-03 has a Power of 42.0 HP (30.7 kW) @ 10750 RPM.
How many gears does the Yamaha MT-03 have?
The 2021 Yamaha MT-03 has a Gearbox of 6-speed.
What is the torque of the Yamaha MT-03?
The 2021 Yamaha MT-03 has a Torque of 29.6 Nm (3.0 kgf-m or 21.8 ft.lbs) @ 9000 RPM.
How much does the Yamaha MT-03 weigh?
The 2021 Yamaha MT-03 has a Dry weight of 168.0 kg (370.4 pounds).
Shop this bike
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The 2021 Yamaha MT-03 is a sleek and stylish motorcycle that offers a thrilling ride for motorcycle enthusiasts. With its powerful 321cc engine and nimble handling, the MT-03 delivers an exhilarating experience on the road. The bike's sharp, aggressive styling and comfortable riding position make it perfect for both city commuting and weekend adventures. Whether you're a beginner or an experienced rider, the Yamaha MT-03 is a reliable and fun choice for hitting the streets.
Yamaha has once again delivered a top-notch motorcycle with the 2021 MT-03. The bike's lightweight chassis and responsive brakes make for confident and enjoyable riding, while its modern features such as LED lighting and digital instrumentation add a touch of sophistication. With its affordable price point and impressive performance, the Yamaha MT-03 is a fantastic option for anyone in the market for a versatile and exciting motorcycle. Whether you're zipping through urban streets or carving through winding roads, the MT-03 delivers a thrilling and satisfying ride every time.
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