The Yamaha WR 426 F motorcycle specifications include a 426 cc (25.99 cu in) engine, a 5-speed gearbox, and a listed weight of 122 kg (269 lb).
Key specifications
The 2001 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
How the Yamaha WR 426 F 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 23% lower than the Yamaha database average. Around the 49th percentile across Yamaha models.
About 35% lighter than the Yamaha database average. Around the 22nd percentile across Yamaha models.
About 21% taller than the Yamaha database average. Around the 94th percentile across Yamaha models.
About 39% smaller than the Yamaha database average. Around the 27th 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.
426 cc — larger displacement than about 49% of Yamaha models.
122 kg — heavier than about 22% of Yamaha models, or lighter than about 78%.
960 mm — taller than about 94% of Yamaha models.
8 L — larger than about 27% 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.
1,490
1,416
5% above average.
960
793
21% above average.
Mechanical overview
Additional useful specifications
| Front tire size | 90/90-21 |
|---|---|
| Rear tire size | 130/90-18 |
| Front tire width | 90 mm |
| Front tire aspect ratio | 90% |
| Front rim diameter | 21 in |
| Rear tire width | 130 mm |
| Rear tire aspect ratio | 90% |
| Rear rim diameter | 18 in |
| Bore/stroke ratio | 1.58:1 (Oversquare) |
Engine specifications
| Engine type | Single cylinder, four-stroke |
|---|---|
| Displacement | 426 cc (25.99 cu in) |
| Torque | 40.0 Nm (4.1 kgf-m or 29.5 ft.lbs) @ 7,800 rpm |
| Bore × stroke | 95.0 x 60.1 mm (3.7 x 2.4 inches) |
| Compression ratio | 12.5:1 |
| Valves per cylinder | 5 |
| Cooling system | Liquid |
| Fuel system | Carburettor |
| Starter | Kick |
Transmission and drivetrain
| Gearbox | 5-speed |
|---|---|
| Final drive | Chain (final drive) |
Chassis and suspension
| Front wheel travel | 300 mm (11.8 inches) |
|---|---|
| Rear wheel travel | 315 mm (12.4 inches) |
Brakes, wheels and tires
| Front brakes | Single disc |
|---|---|
| Rear brakes | Single disc |
| Front tire | 90/90-21 |
| Rear tire | 130/90-18 |
Dimensions and weight
| Wet weight | 122 kg (269 lb) |
|---|---|
| Seat height | 960 mm (37.8 inches) |
| Wheelbase | 1,490 mm (58.7 inches) |
Fuel and emissions
| Fuel capacity | 8.00 L (2.11 US gal) |
|---|
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.