43,669 bikes · 493 makes Add a bikeLog inRegister
Naked Motorcycles

2021Yamaha MT-15

Rate this bike
Click to vote

42 fields on record

The 2021 Yamaha MT-15 is a lightweight naked bike engineered for beginner and young riders seeking an accessible entry into street biking. Its 155cc single-cylinder engine delivers responsive performance with 18.2 horsepower, making it nimble in urban environments while remaining manageable for inexperienced hands. Known for its reliability, fuel efficiency, and agile handling, the MT-15 represents an ideal stepping stone in the Yamaha MT family.

Capacity
155.0 ccm
Engine
Single, four-stroke
Gearbox
6-speed
Wet weight
138.0 kg
Seat height
810 mm
Power
18.2 HP (13.3 kW) @ 10000 RPM
⇄ Compare with another bike + Add to garage All model years

What’s new for the 2021 Yamaha MT-15

vs the 2020
Spec20202021
Power 15.0 HP (10.9 kW) @ 10000 RPM 18.2 HP (13.3 kW) @ 10000 RPM
Torque 14.7 Nm (1.5 kgf-m or 10.8 ft.lbs) @ 8500 RPM 13.9 Nm (1.4 kgf-m or 10.3 ft.lbs) @ 8500 RPM
Rear brakes Single disc. . Single disc. ABS
Wheelbase 1355 mm (53.3 inches) 1335 mm (52.6 inches)
Other years 2020 2021 2022 2023

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 38Agility 86Comfort 55Off-road 15Touring 30Road manners 78
Off-road & trail15%
Cornering80%
City riding90%
Daily riding85%
Touring30%
Two-up40%
Track45%
Best for
Designed primarily as a nimble, stylish commuter and street bike for urban riding and light weekend fun.
Built for
A sporty, aggressive-looking naked bike that rewards revving the small single-cylinder engine and flicking it through corners rather than chasing outright speed.
Not ideal for
Not a good fit for riders wanting highway touring comfort, sustained high-speed cruising, or two-up long-distance travel.

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 us
At 810mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2021 Yamaha MT-15, with a relaxed knee angle of around 120 degrees and a forward-leaning riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at 751-820 mm — Middle Ground →

Find bikes that fit your height →

Range and running costs

Worked out in your browser - nothing is sent to us

Based 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.

Full specifications

Engine
Capacity
155.0 ccm
Power
18.2 HP (13.3 kW) @ 10000 RPM
CO2 Emissions
49 CO2 g/km
Torque
13.9 Nm (1.4 kgf-m) @ 8500 RPM
Engine type
Single, four-stroke
Fuel consumption
2.10 litres/100 km (47.6 km/l)
Power/weight ratio
0.1319 HP/kg (wet)
Bore x stroke
58.0 x 58.7 mm
Compression
11.6:1
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
Clutch
Wet, multiple-disc coil spring
Dimensions & weight
Wheelbase
1335 mm
Overall length
2020 mm
Overall width
800 mm
Overall height
1070 mm
Seat height
810 mm
Wet weight
138.0 kg
Fuel capacity
10.00 litres
Ground clearance
170 mm
Oil capacity
1.20 litres
Dry weight
Not on record - add it
Chassis & suspension
Frame
Deltabox
Front suspension
Telescopic
Rear suspension
Swingarm
Front wheel travel
130 mm
Rear wheel travel
97 mm
Rake (fork angle)
25.0°
Trail
88 mm
Brakes & wheels
Front brakes
Single disc
Front brakes diameter
282 mm
Rear brakes
Single disc. ABS
ABS
Yes
Front tyre
100/80-M17
Rear tyre
140/70-M17
Other
Color options
Metallic Black, Dark Matt Blue, Ice Fluo -Vermillion

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 2020202120222023
Capacity 155 cc 155 cc 155 cc 155 cc
Seat height 810 mm 810 mm 810 mm 810 mm
Fuel capacity 10 L 10 L 10 L 10.4 L

Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.

Rider Reviews

—
☆☆☆☆☆
Be the first to rate
MotorcycleDB

The 2021 Yamaha MT-15 is a sleek and stylish motorcycle that offers a powerful and thrilling ride. With its 155cc liquid-cooled engine, this bike delivers excellent performance and fuel efficiency. The MT-15's aggressive styling, comfortable riding position, and nimble handling make it a top choice for urban riders looking for a reliable and versatile bike. Whether you're navigating city streets or hitting the open road, the Yamaha MT-15 delivers a dynamic and exciting riding experience. Overall, the 2021 Yamaha MT-15 is a fantastic option for riders in search of a high-performance and visually striking motorcycle.

Yamaha has really outdone themselves with the 2021 MT-15. With its powerful engine, sporty design, and advanced features, this bike offers an unparalleled riding experience. The MT-15's compact and lightweight design makes it maneuverable and easy to handle, while its advanced technology and outstanding performance set it apart from other bikes in its class. If you're in the market for a stylish and agile motorcycle that offers a perfect balance of power and control, the 2021 Yamaha MT-15 is definitely worth considering. Experience the thrill of the open road and the excitement of city riding with this exceptional bike.

Own one? Add it to My Garage and write an owner review with an Owner badge.

Common questions

What is the engine size of the Yamaha MT-15?

The 2021 Yamaha MT-15 has a Capacity of 155.0 ccm (9.46 cubic inches).

What engine power does the Yamaha MT-15 have?

The 2021 Yamaha MT-15 has a Power of 18.2 HP (13.3 kW) @ 10000 RPM.

How many gears does the Yamaha MT-15 have?

The 2021 Yamaha MT-15 has a Gearbox of 6-speed.

What is the torque of the Yamaha MT-15?

The 2021 Yamaha MT-15 has a Torque of 13.9 Nm (1.4 kgf-m or 10.3 ft.lbs) @ 8500 RPM.

How much does the Yamaha MT-15 weigh?

The 2021 Yamaha MT-15 has a Wet weight of 138.0 kg (304.2 pounds).

Shop this bike

Affiliate links

We may earn a commission from qualifying eBay or Amazon purchases made through these links. As an Amazon Associate I earn from qualifying purchases.

Similar bikes

Same category, weighted similarity

More Yamaha Motorcycles