The Yamaha YZ450FSP motorcycle specifications include a 449 cc (27.40 cu in) engine, a 5-speed gearbox, and a listed weight of 111 kg (244.7 lb).
Key specifications
How the Yamaha YZ450FSP 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 18% lower than the Yamaha database average. Around the 51st percentile across Yamaha models.
About 40% lighter than the Yamaha database average. Around the 16th percentile across Yamaha models.
About 22% taller than the Yamaha database average. Around the 96th percentile across Yamaha models.
About 52% smaller than the Yamaha database average. Around the 15th 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.
449 cc — larger displacement than about 51% of Yamaha models.
111 kg — heavier than about 16% of Yamaha models, or lighter than about 84%.
965 mm — taller than about 96% of Yamaha models.
6.2 L — larger than about 15% 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.
2,185
2,082
5% above average.
825
823
Close to average.
1,275
1,172
9% above average.
1,481
1,416
5% above average.
965
793
22% above average.
330
181
83% above average.
Mechanical overview
Additional useful specifications
| Front tire size | 80/100-21 |
|---|---|
| Rear tire size | 120/80-19 |
| Front tire width | 80 mm |
| Front tire aspect ratio | 100% |
| Front rim diameter | 21 in |
| Rear tire width | 120 mm |
| Rear tire aspect ratio | 80% |
| Rear rim diameter | 19 in |
| Bore/stroke ratio | 1.59:1 (Oversquare) |
Model information
| Year released | 2021 |
|---|
Engine specifications
| Engine type | Single cylinder, four-stroke |
|---|---|
| Displacement | 449 cc (27.40 cu in) |
| Bore × stroke | 97.0 x 60.9 mm (3.8 x 2.4 inches) |
| Compression ratio | 13.0:1 |
| Valves per cylinder | 4 |
| Cooling system | Liquid |
| Fuel system | Injection. Mikuni® fuel injection, 44mm |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Ignition | TCI: Transistor Controlled Ignition |
| Starter | Electric |
| Lubrication | Wet sump |
Transmission and drivetrain
| Gearbox | 5-speed |
|---|---|
| Final drive | Chain (final drive) |
| Clutch | Multiplate wet clutch |
Chassis and suspension
| Frame | Bilateral beam frame, aluminum |
|---|---|
| Front suspension | KYB Speed-Sensitive System, inverted fork: fully adjustable |
| Rear suspension | KYB® single shock; fully adjustable |
| Front wheel travel | 310 mm (12.2 inches) |
| Rear wheel travel | 317 mm (12.5 inches) |
| Rake | 27.0° |
| Trail | 119 mm (4.7 inches) |
Brakes, wheels and tires
| Front brakes | Single disc. Hydraulic. |
|---|---|
| Rear brakes | Single disc. Hydraulic. |
| Front tire | 80/100-21 |
| Rear tire | 120/80-19 |
| Wheels | Dunlop® MX33® tyres |
Dimensions and weight
| Wet weight | 111 kg (244.7 lb) |
|---|---|
| Seat height | 965 mm (38.0 inches) |
| Overall length | 2,185 mm (86.0 inches) |
| Overall width | 825 mm (32.5 inches) |
| Overall height | 1,275 mm (50.2 inches) |
| Wheelbase | 1,481 mm (58.3 inches) |
| Ground clearance | 330 mm (13.0 inches) |
Fuel and emissions
| Fuel capacity | 6.20 L (1.64 US gal) |
|---|
Other specifications
| Color options | Monster Energy Yamaha Racing Edition |
|---|---|
| Seat | Long, two-tone, motocross-style seat |
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.