Yamaha MT-03 - 2021 Specifications and Reviews

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.

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General information

Price as new3.6  Check out the detailed rating of racing track capabilities, engine performance, accident risk, etc. Compare with any other bike.
CategorySport
Year2021
ModelYamaha MT-03
 
 

Engine and Transmission Specifications

Greenhouse gases97.4 CO2 g/km. (CO2 - Carbon dioxide emission)
Fuel consumption4.20 litres/100 km (23.8 km/l or 56.00 mpg)
ClutchMultiplate wet
Transmission typeChain   (final drive)
Gearbox6-speed
Cooling systemLiquid
Lubrication systemWet sump
IgnitionTCI
Fuel controlDouble Overhead Cams/Twin Cam (DOHC)
Fuel systemInjection
Valves per Cylinder4
Bore x Stroke68.0 x 44.1 mm (2.7 x 1.7 inches)
Compression11.2:1
Torque29.6 Nm (3.0 kgf-m or 21.8 ft.lbs) @ 9000 RPM
Power42.0 HP (30.7 kW) @ 10750 RPM
Engine typeTwin, four-stroke
Capacity:321.0 ccm (19.59 cubic inches)
 
 

Brakes, suspension, Frame and wheels

Rear brakesSingle disc. ABS
Diameter298 mm (11.7 inches)
Front brakesSingle disc. ABS
Rear tire140/70-17M
Front tire110/70-17M
Rear wheel travel125 mm (4.9 inches)
Rear SuspensionSingle shock; 7-step preload adjustable
Front wheel travel130 mm (5.1 inches)
Front Suspension37mm KYB® inverted fork
Trail95 mm (3.7 inches)
Rake (fork angle)25.0°
Frame typeDiamond

Physical measures and capacities

Oil capacity2.40 litres (2.54 US quarts)
Fuel capacity14.00 litres (3.70 US gallons)
Wheelbase1380 mm (54.3 inches)
Ground clearance160 mm (6.3 inches)
Overall width754 mm (29.7 inches)
Overall length2090 mm (82.3 inches)
Overall height1069 mm (42.1 inches)
Seat height780 mm (30.7 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc169.2 kg (373.0 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Factory warranty1 Year Limited Factory Warranty
LightLED headlight
InstrumentsDigital LCD
StarterElectric
Color optionsMatte Stealth Black, Storm Fluo

Performance Profile & Rider Fit

42 hp
Peak Power
5.6s
0-60 mph

Best For

Track45%
City90%
Cornering75%
Daily Riding85%
Touring35%
Passenger50%

Rider Profile

Best ForIdeal for beginners and newly licensed riders; approachable power and light weight also make it a fun, easy commuter for experienced riders.
PurposeUrban commuting and spirited backroad riding on a budget-friendly naked twin; a nimble, everyday A2-friendly street bike.
Rider FitLow 30.7in seat and slim 373lb chassis make it easy to manage; upright naked ergonomics with a fairly relaxed reach.
CharacterFriendly, playful and forgiving; the 321cc twin is smooth and eager without being intimidating, rewarding rider confidence.
Not Ideal ForNot for highway tourers, two-up long-haul trips, or riders chasing big-bore horsepower and outright top speed.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2021 Yamaha MT-03 Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 780mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2021 Yamaha MT-03, with a cramped knee angle of around 70 degrees and a forward-leaning riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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Rider Reviews

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MotorcycleDB Review

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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