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2021Yamaha SZ

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The 2021 Yamaha SZ is a budget-friendly 149cc commuter motorcycle designed for novice and cost-conscious riders seeking reliable daily transportation. Its single-cylinder four-stroke engine delivers modest power suitable for urban riding, while the air-cooled design and carbureted fuel system prioritize simplicity and affordability. Known for its no-frills practicality and dependable performance, the SZ excels as an entry-level motorcycle for learners and developing markets.

Capacity
149.3 ccm
Engine
Single, four-stroke
Gearbox
5-speed
Wet weight
133.0 kg
Seat height
800 mm
Power
11.9 HP (8.7 kW) @ 7500 RPM
⇄ Compare with another bike + Add to garage All model years

What’s new for the 2021 Yamaha SZ

vs the 2020
Spec20202021
Power 12.1 HP (8.8 kW) @ 7500 RPM 11.9 HP (8.7 kW) @ 7500 RPM
Wet weight 125.0 kg (275.6 pounds) 133.0 kg (293.2 pounds)
Rear suspension Ajustable, Hydraulic Shock Absorber Swingarm
Other years 2020 2021 2022

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 19Agility 77Comfort 55Off-road 15Touring 25Road manners 60
Off-road & trail15%
Cornering45%
City riding85%
Daily riding80%
Touring25%
Two-up35%
Track10%
Best for
Built as an everyday city runabout for short trips, errands, and light commuting rather than performance riding.
Built for
A humble, no-frills small-displacement single that prioritizes fuel efficiency and easy maneuverability over excitement.
Not ideal for
This bike is not for riders seeking highway touring comfort, high speed, off-road capability, or carrying a passenger over long distances.

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 800mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2021 Yamaha SZ, with a moderate knee angle of around 115 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 →

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Full specifications

Engine
Capacity
149.3 ccm
Power
11.9 HP (8.7 kW) @ 7500 RPM
Torque
12.8 Nm (1.3 kgf-m) @ 6000 RPM
Engine type
Single, four-stroke
Power/weight ratio
0.0895 HP/kg (wet)
Bore x stroke
57.3 x 57.9 mm
Compression
9.5:1
Cooling system
Air
Fuel system
Carburettor
Starting
Electric & kick
Ignition
CDI
Valves per cylinder
2
Lubrication system
Wet sump
Transmission
Gearbox
5-speed
Transmission type
Manual
Clutch
Wet, multiple-disc
Dimensions & weight
Wheelbase
1320 mm
Overall length
1990 mm
Overall width
750 mm
Overall height
1100 mm
Seat height
800 mm
Wet weight
133.0 kg
Fuel capacity
14.00 litres
Ground clearance
165 mm
Oil capacity
1.00 litres
Dry weight
Not on record - add it
Chassis & suspension
Frame
Diamond, tubular
Front suspension
Telescopic Hydraulic
Rear suspension
Swingarm
Rake (fork angle)
26.0°
Trail
99 mm
Brakes & wheels
Front brakes
Single disc. Hydraulic.
Front brakes diameter
130 mm
Rear brakes
Expanding brake (drum brake)
Front tyre
2.75-17
Rear tyre
100/90-17
Other
Color options
Matte Blue, Matte Black
Comments
Sold in India.

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 202020212022
Capacity 149 cc 149 cc 149 cc
Seat height 800 mm 800 mm 800 mm
Fuel capacity 14 L 14 L 14 L

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

Rider Reviews

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MotorcycleDB

The 2021 Yamaha SZ is a powerful and reliable motorcycle that offers excellent performance and handling. With its 150cc air-cooled engine, this bike is perfect for both city commutes and long rides. The comfortable seating and smooth suspension make for a comfortable riding experience, while the stylish design and modern features add to its appeal. Whether you're a beginner rider or a seasoned pro, the Yamaha SZ is a great choice for anyone looking for a bike that offers a perfect balance of power, comfort, and style.

Overall, the 2021 Yamaha SZ is a fantastic motorcycle that delivers on both performance and style. With its powerful engine, comfortable seating, and modern features, this bike is a great choice for riders of all levels. Whether you're cruising around town or hitting the open road, the Yamaha SZ will provide a smooth and enjoyable riding experience. If you're in the market for a new motorcycle, be sure to check out the 2021 Yamaha SZ for a reliable and stylish ride.

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Common questions

What is the engine size of the Yamaha SZ?

The 2021 Yamaha SZ has a Capacity of 149.3 ccm (9.11 cubic inches).

What engine power does the Yamaha SZ have?

The 2021 Yamaha SZ has a Power of 11.9 HP (8.7 kW) @ 7500 RPM.

How many gears does the Yamaha SZ have?

The 2021 Yamaha SZ has a Gearbox of 5-speed.

What is the torque of the Yamaha SZ?

The 2021 Yamaha SZ has a Torque of 12.8 Nm (1.3 kgf-m or 9.4 ft.lbs) @ 6000 RPM.

How much does the Yamaha SZ weigh?

The 2021 Yamaha SZ has a Wet weight of 133.0 kg (293.2 pounds).

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