Naked Motorcycles
2021Yamaha FZ-S Fi
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The 2021 Yamaha FZ-S Fi is a lightweight naked bike designed for new and budget-conscious riders seeking an affordable, reliable commuter. Powered by a 149cc single-cylinder engine delivering 12 horsepower, it excels in city traffic and daily use with fuel injection and easy handling. Best known for its practical design, low maintenance, and exceptional value proposition in the entry-level segment.
- Capacity
- 149.0 ccm
- Engine
- Single, four-stroke
- Gearbox
- 5-speed
- Dry weight
- 126.0 kg
- Seat height
- 790 mm
- Power
- 12.0 HP (8.8 kW) @ 7250 RPM
What’s new for the 2021 Yamaha FZ-S Fi
vs the 2020| Spec | 2020 | 2021 |
|---|---|---|
| Power | 13.2 HP (9.6 kW) @ 8000 RPM | 12.0 HP (8.8 kW) @ 7250 RPM |
| Torque | 12.8 Nm (1.3 kgf-m or 9.4 ft.lbs) @ 6000 RPM | 13.3 Nm (1.4 kgf-m or 9.8 ft.lbs) @ 5500 RPM |
| Wet weight | 131.0 kg (288.8 pounds) | 135.0 kg (297.6 pounds) |
| Fuel capacity | 12.00 litres (3.17 US gallons) | 13.00 litres (3.43 US gallons) |
| Compression | 9.5:1 | 9.6:1 |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built primarily as an around-town commuter with light scrambler styling rather than a performance or adventure machine.
- Built for
- A friendly, easygoing single-cylinder runabout that favors smooth, relaxed torque delivery over outright speed or aggression.
- Not ideal for
- Not suited for highway touring, high-speed travel, serious off-road use, or riders seeking strong passenger comfort over distance.
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 usEngine
- Capacity
- 149.0 ccm
- Power
- 12.0 HP (8.8 kW) @ 7250 RPM
- Torque
- 13.3 Nm (1.4 kgf-m) @ 5500 RPM
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.0952 HP/kg (dry)
- Bore x stroke
- 57.3 x 57.9 mm
- Compression
- 9.6:1
- Cooling system
- Air
- Fuel system
- Injection
- Starting
- Electric
- Ignition
- TCI
- Valves per cylinder
- 2
- Lubrication system
- Force-feed lubrication, wet sump
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Wet, multiple-disc
Dimensions & weight
- Wheelbase
- 1330 mm
- Overall length
- 1990 mm
- Overall width
- 780 mm
- Overall height
- 1080 mm
- Seat height
- 790 mm
- Dry weight
- 126.0 kg
- Wet weight
- 135.0 kg
- Fuel capacity
- 13.00 litres
- Ground clearance
- 165 mm
- Oil capacity
- 1.20 litres
Chassis & suspension
- Frame
- Diamond
- Front suspension
- Telescopic fork
- Rear suspension
- Swingarm
- Front wheel travel
- 120 mm
- Rear wheel travel
- 120 mm
- Rake (fork angle)
- 25.0°
- Trail
- 101 mm
Brakes & wheels
- Front brakes
- Single disc
- Front brakes diameter
- 282 mm
- Rear brakes
- Expanding brake (drum brake)
- Front tyre
- 100/80-17
- Rear tyre
- 140/60-17
Other
- Color options
- Vintage Green, Matte Red, Matte Black,Dark Matte Blue,Dark Knight,
- Comments
- Sold in Asia.
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 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|
| Capacity | 149 cc | 149 cc | 149 cc | 149 cc | 149 cc |
| Dry weight | 126 kg | 126 kg | 126 kg | 126 kg | 126 kg |
| Seat height | 790 mm | 790 mm | 790 mm | 790 mm | 790 mm |
| Fuel capacity | 12 L | 13 L | 13 L | 13 L | 13 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 FZ-S Fi?
The 2021 Yamaha FZ-S Fi has a Capacity of 149.0 ccm (9.09 cubic inches).
What engine power does the Yamaha FZ-S Fi have?
The 2021 Yamaha FZ-S Fi has a Power of 12.0 HP (8.8 kW) @ 7250 RPM.
How many gears does the Yamaha FZ-S Fi have?
The 2021 Yamaha FZ-S Fi has a Gearbox of 5-speed.
What is the torque of the Yamaha FZ-S Fi?
The 2021 Yamaha FZ-S Fi has a Torque of 13.3 Nm (1.4 kgf-m or 9.8 ft.lbs) @ 5500 RPM.
How much does the Yamaha FZ-S Fi weigh?
The 2021 Yamaha FZ-S Fi has a Dry weight of 126.0 kg (277.8 pounds).
Shop this bike
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The 2021 Yamaha FZ-S Fi is a fantastic motorcycle that offers a perfect balance of performance, style, and value. With its powerful 149cc engine and fuel injection technology, this bike delivers impressive performance and efficiency. The FZ-S Fi also stands out with its sleek and aggressive design, featuring a muscular fuel tank and striking LED headlights. Additionally, it comes equipped with advanced features such as a digital instrument cluster and single-channel ABS, adding to the overall appeal and functionality of this modern motorcycle.
Overall, the 2021 Yamaha FZ-S Fi is a top choice for riders looking for a stylish and reliable bike that doesn't break the bank. Whether you're cruising around the city or hitting the open road, this motorcycle offers a thrilling ride and impressive fuel economy. With its combination of performance, design, and features, the FZ-S Fi is definitely a standout in its class and is worth considering for anyone in the market for a new motorcycle.
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