2021
Yamaha Byson FI - Specifications & Review

Article Complete Info
| Articleid | 558026 |
|---|---|
| Category | Naked bike |
| Make | Yamaha |
| Model | Byson FI |
| Year | 2021 |
Chassis, Suspension, Brakes & Wheels
| Frametype | Diamond |
|---|---|
| Frontbrakes | Single disc |
| Frontsuspension | Telescopic |
| Fronttyre | 100/80-17 |
| Rearbrakes | Expanding brake (drum brake) |
| Rearsuspension | Swingarm |
| Reartyre | 130/70-17 |
Engine & Transmission
| Borexstroke | 57.3 x 57.9 mm (2.3 x 2.3 inches) |
|---|---|
| Clutch | Wet, multipate |
| Compression | 9.5:1 |
| Coolingsystem | Air |
| Displacement | 150.0 ccm (9.15 cubic inches) |
| Enginetype | Single cylinder, four-stroke |
| Fuelsystem | Injection |
| Power | 12.9 HP (9.4 kW)) @ 8000 RPM |
| Torque | 13.0 Nm (1.3 kgf-m or 9.6 ft.lbs) @ 6000 RPM |
Other Specifications
| Coloroptions | Matte Red, Matte Brown, Matte Grey |
|---|---|
| Comments | Sold in Asia |
| Starter | Electric & kick |
Physical Measures & Capacities
| Fuelcapacity | 12.00 litres (3.17 US gallons) |
|---|---|
| Groundclearance | 170 mm (6.7 inches) |
| Overallheight | 1045 mm (41.1 inches) |
| Overalllength | 1990 mm (78.3 inches) |
| Overallwidth | 780 mm (30.7 inches) |
| Seatheight | 790 mm (31.1 inches) If adjustable, lowest setting. |
| Weightincloilgasetc | 133.0 kg (293.2 pounds) |
About Yamaha
Country of Origin:
Japan
Founder:
Nippon Gakki (Genichi Kawakami led motorcycle entry)
Best Known For:
R-series sportbikes, MT nakeds, YZ/WR off-road, Ténéré ADV
Company History
Yamaha blends engineering polish with musical-instrument attention to feel. From the RD two-strokes to modern crossplane R1s, its sportbikes emphasize chassis communication and reliability. Off-road, YZ/WR platforms define durability and race-fed development, while Ténéré ADV models offer long-legged, serviceable travel. Global dealer depth, parts commonality, and conservative updates make Yamahas easy to own and hard to break. The brand’s hallmark is balance: machines that work on Monday, thrill on Sunday, and keep their manners for decades.
