The Yamaha FZ-X motorcycle specifications include a 149 cc (9.09 cu in) engine, power of 12 hp (8.8 kW) @ 7,250 rpm, a 5-speed gearbox, and a listed weight of 139 kg (306.4 lb).
Key specifications
The 2021 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
How the Yamaha FZ-X compares
This compares the motorcycle with all Yamaha models in this specifications database. The blue marker is this model and the grey line is the Yamaha database average.
About 77% lower than the Yamaha database average. Around the 20th percentile across Yamaha models.
About 73% lower than the Yamaha database average. Around the 26th percentile across Yamaha models.
About 25% lighter than the Yamaha database average. Around the 32nd percentile across Yamaha models.
Very close to the Yamaha database average. Around the 66th percentile across Yamaha models.
About 23% smaller than the Yamaha database average. Around the 35th percentile across Yamaha models.
Yamaha database percentile rankings
Percentiles show where this motorcycle sits across the Yamaha specifications database. They are descriptive database rankings, not performance ratings.
12 hp — more powerful than about 20% of Yamaha models with power data.
149 cc — larger displacement than about 26% of Yamaha models.
139 kg — heavier than about 32% of Yamaha models, or lighter than about 68%.
810 mm — taller than about 66% of Yamaha models.
10 L — larger than about 35% of Yamaha fuel tanks in this database.
Dimensions compared with Yamaha average
Each measurement is compared with the average value across Yamaha models where that dimension is available.
2,020
2,082
Close to average.
785
823
5% below average.
1,115
1,172
5% below average.
1,330
1,416
6% below average.
810
793
Close to average.
165
181
9% below average.
Mechanical overview
Additional useful specifications
| Front tire size | 100/80-17 |
|---|---|
| Rear tire size | 140/60-17 |
| Front tire width | 100 mm |
| Front tire aspect ratio | 80% |
| Front rim diameter | 17 in |
| Rear tire width | 140 mm |
| Rear tire aspect ratio | 60% |
| Rear rim diameter | 17 in |
| Power-to-weight ratio | 0.086 hp/kg |
| Power-to-weight | 86.3 hp/tonne |
| Specific power | 80.5 hp/L |
| Bore/stroke ratio | 0.99:1 (Square) |
Model information
| Category | Naked bike |
|---|
Engine specifications
| Engine type | Single cylinder, four-stroke |
|---|---|
| Displacement | 149 cc (9.09 cu in) |
| Power | 12 hp (8.8 kW) @ 7,250 rpm |
| Torque | 13.3 Nm (1.4 kgf-m or 9.8 ft.lbs) @ 5,500 rpm |
| Bore × stroke | 57.3 x 57.9 mm (2.3 x 2.3 inches) |
| Compression ratio | 9.6:1 |
| Valves per cylinder | 2 |
| Cooling system | Air |
| Fuel system | Injection |
| Fuel control | Single Overhead Cams (SOHC) |
| Ignition | TCI |
| Starter | Electric |
| Lubrication | Force-feed lubrication, wet sump |
Transmission and drivetrain
| Gearbox | 5-speed |
|---|---|
| Final drive | Chain (final drive) |
| Clutch | Wet, multiple-disc |
Chassis and suspension
| Front suspension | Telescopic fork |
|---|---|
| Rear suspension | 7-Step Adjustable Monocross |
| Rake | 25.0° |
| Trail | 101 mm (4.0 inches) |
Brakes, wheels and tires
| Front brakes | Single disc |
|---|---|
| Rear brakes | Expanding brake (drum brake) |
| Front tire | 100/80-17 |
| Rear tire | 140/60-17 |
Dimensions and weight
| Wet weight | 139 kg (306.4 lb) |
|---|---|
| Seat height | 810 mm (31.9 inches) |
| Overall length | 2,020 mm (79.5 inches) |
| Overall width | 785 mm (30.9 inches) |
| Overall height | 1,115 mm (43.9 inches) |
| Wheelbase | 1,330 mm (52.4 inches) |
| Ground clearance | 165 mm (6.5 inches) |
Fuel and emissions
| Fuel capacity | 10.00 L (2.64 US gal) |
|---|
Other specifications
| Color options | Matte Copper, Matte Black, Metallic Blue |
|---|---|
| Comments | Sold in Asia. |
Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from Yamaha models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Yamaha information before relying on them. Visit the official Yamaha website.