The Yamaha FZ 25 motorcycle specifications include a 249 cc (15.19 cu in) engine, power of 20.9 hp (15.3 kW) @ 8,000 rpm, a 5-speed gearbox, and a listed weight of 148 kg (326.3 lb).
Key specifications
The 2018 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
How the Yamaha FZ 25 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 61% lower than the Yamaha database average. Around the 35th percentile across Yamaha models.
About 55% lower than the Yamaha database average. Around the 37th percentile across Yamaha models.
Very close to the Yamaha database average. Around the 55th percentile across Yamaha models.
About 7% larger than the Yamaha database average. Around the 57th 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.
20.9 hp — more powerful than about 35% of Yamaha models with power data.
249 cc — larger displacement than about 37% of Yamaha models.
795 mm — taller than about 55% of Yamaha models.
14 L — larger than about 57% 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.
2,015
2,082
3% below average.
770
823
6% below average.
1,075
1,172
8% below average.
1,360
1,416
4% below average.
795
793
Close to average.
160
181
11% below average.
Mechanical overview
Additional useful specifications
| Front tire size | 100/80-17 |
|---|---|
| Rear tire size | 140/70-17 |
| Front tire width | 100 mm |
| Front tire aspect ratio | 80% |
| Front rim diameter | 17 in |
| Rear tire width | 140 mm |
| Rear tire aspect ratio | 70% |
| Rear rim diameter | 17 in |
| Power-to-weight ratio | 0.141 hp/kg |
| Power-to-weight | 141.2 hp/tonne |
| Specific power | 83.9 hp/L |
| Bore/stroke ratio | 1.28:1 (Oversquare) |
Engine specifications
| Engine type | Single cylinder, four-stroke |
|---|---|
| Displacement | 249 cc (15.19 cu in) |
| Power | 20.9 hp (15.3 kW) @ 8,000 rpm |
| Torque | 20.0 Nm (2.0 kgf-m or 14.8 ft.lbs) @ 6,000 rpm |
| Bore × stroke | 74.0 x 58 mm (2.9 x 2.3 inches) |
| Compression ratio | 9.8:1 |
| Cooling system | Air |
| Fuel system | Injection |
| Fuel control | Single Overhead Cams (SOHC) |
| Starter | Electric |
Transmission and drivetrain
| Gearbox | 5-speed |
|---|---|
| Final drive | Chain (final drive) |
| Clutch | Wet,multiple disc |
Chassis and suspension
| Front suspension | Telescopic fork |
|---|---|
| Rear suspension | Swingarm. Monocross suspsension. |
Brakes, wheels and tires
| Front brakes | Single disc |
|---|---|
| Rear brakes | Single disc |
| Front tire | 100/80-17 |
| Rear tire | 140/70-17 |
Dimensions and weight
| Dry weight | 148 kg (326.3 lb) |
|---|---|
| Seat height | 795 mm (31.3 inches) |
| Overall length | 2,015 mm (79.3 inches) |
| Overall width | 770 mm (30.3 inches) |
| Overall height | 1,075 mm (42.3 inches) |
| Wheelbase | 1,360 mm (53.5 inches) |
| Ground clearance | 160 mm (6.3 inches) |
Fuel and emissions
| Fuel capacity | 14.00 L (3.70 US gal) |
|---|
Performance
| Power/weight ratio | 0.1412 hp/kg |
|---|
Electrical and instruments
| Lights | LED headlights |
|---|
Other specifications
| Color options | Blue, black, white |
|---|
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.