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Naked Motorcycles

2020Yamaha SZ

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The 2020 Yamaha SZ is a lightweight 149cc commuter motorcycle designed for budget-conscious riders seeking reliable everyday transportation. Its air-cooled single-cylinder engine delivers modest but adequate power for city riding and short commutes. Known for exceptional fuel efficiency, low maintenance costs, and beginner-friendly handling, the SZ excels as an entry-level or practical utility bike.

Capacity
149.3 ccm
Engine
Single, four-stroke
Gearbox
5-speed
Wet weight
125.0 kg
Seat height
800 mm
Power
12.1 HP (8.8 kW) @ 7500 RPM
⇄ Compare with another bike + Add to garage All model years
Other years 2020 2021 2022

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 18Agility 76Comfort 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 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2020 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
12.1 HP (8.8 kW) @ 7500 RPM
Torque
12.8 Nm (1.3 kgf-m) @ 6000 RPM
Engine type
Single, four-stroke
Power/weight ratio
0.0968 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
125.0 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
Ajustable, Hydraulic Shock Absorber
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
2.75-18
Rear tyre
100/90-17
Other
Color options
Matte Black, Vivid red Cocktail,
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 2020 Yamaha SZ is a sleek and efficient motorcycle that offers a smooth and comfortable ride. With a powerful engine and responsive handling, this bike is perfect for both city commuting and long highway rides. The stylish design and comfortable seat make it a great option for riders of all experience levels. Plus, with Yamaha's reputation for durability and reliability, you can trust that the SZ will perform well for years to come.

Overall, the 2020 Yamaha SZ is a fantastic choice for anyone in the market for a new motorcycle. Its combination of power, comfort, and style make it a standout option in its class. Whether you're a seasoned rider or a beginner, you'll appreciate the performance and reliability of the Yamaha SZ. Consider investing in this top-notch motorcycle for an enjoyable and dependable riding experience.

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Common questions

What is the engine size of the Yamaha SZ?

The 2020 Yamaha SZ has a Capacity of 149.3 ccm (9.11 cubic inches).

What engine power does the Yamaha SZ have?

The 2020 Yamaha SZ has a Power of 12.1 HP (8.8 kW) @ 7500 RPM.

How many gears does the Yamaha SZ have?

The 2020 Yamaha SZ has a Gearbox of 5-speed.

What is the torque of the Yamaha SZ?

The 2020 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 2020 Yamaha SZ has a Wet weight of 125.0 kg (275.6 pounds).

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