14 August. Friday 2026
Yamaha FZ-S Fi - 2021 Specifications and Reviews
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.
General information | |
| Category | Naked bike |
| Year | 2021 |
| Model | Yamaha FZ-S Fi |
Engine and Transmission Specifications | |
| Clutch | Wet, multiple-disc |
| Transmission type | Chain (final drive) |
| Gearbox | 5-speed |
| Cooling system | Air |
| Lubrication system | Force-feed lubrication, wet sump |
| Ignition | TCI |
| Fuel control | Single Overhead Cams (SOHC) |
| Fuel system | Injection |
| Valves per Cylinder | 2 |
| Bore x Stroke | 57.3 x 57.9 mm (2.3 x 2.3 inches) |
| Compression | 9.6:1 |
| Torque | 13.3 Nm (1.4 kgf-m or 9.8 ft.lbs) @ 5500 RPM |
| Power | 12.0 HP (8.8 kW) @ 7250 RPM |
| Engine type | Single cylinder, four-stroke |
| Capacity: | 149.0 ccm (9.09 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Rear brakes | Expanding brake (drum brake) |
| Diameter | 282 mm (11.1 inches) |
| Front brakes | Single disc |
| Rear tire | 140/60-17 |
| Front tire | 100/80-17 |
| Rear Suspension | Swingarm |
| Front Suspension | Telescopic fork |
| Trail | 101 mm (4.0 inches) |
| Rake (fork angle) | 25.0° |
| Frame type | Diamond |
| | |
Physical measures and capacities | |
| Fuel capacity | 13.00 litres (3.43 US gallons) |
| Wheelbase | 1330 mm (52.4 inches) |
| Ground clearance | 165 mm (6.5 inches) |
| Overall width | 780 mm (30.7 inches) |
| Overall length | 1990 mm (78.3 inches) |
| Overall height | 1080 mm (42.5 inches) |
| Seat height | 790 mm (31.1 inches) If adjustable, lowest setting. |
| Weight incl. oil, gas, etc | 135.0 kg (297.6 pounds) |
| | |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Comments | Sold in Asia. |
| Electrical | 12V, 4.0AH (10H), Sealed type battery. |
| Starter | Electric |
| Color options | Vintage Green, Matte Red, Matte Black,Dark Matte Blue,Dark Knight, |
Performance Profile & Rider Fit
12.4 hp
Peak Power
Best For
Track10%
City78%
Cornering45%
Daily Riding80%
Touring35%
Passenger45%
Rider Profile
| Best For | Note: the given specifications are for the Yamaha FZ-X, a scrambler-styled sibling of the FZ-S, so this profile reflects that model rather than the FZ-S Fi directly; it suits beginners and casual riders comfortable on a light, low-powered commuter. |
| Purpose | Built primarily as an around-town commuter with light scrambler styling rather than a performance or adventure machine. |
| Rider Fit | Its low seat height and light 139 kg weight make it very manageable for riders of most sizes and shorter inseams. |
| Character | 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. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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Rider Reviews
Total comments: 1
MotorcycleDB Review
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.Add a Comment
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