The Yamaha YZ450FX motorcycle specifications include a 449.7 cc (27.44 cu in) engine, a 5-speed gearbox, and a listed weight of 118.8 kg (262 lb).
Key specifications
The 2016 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
How the Yamaha YZ450FX 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 36% lighter than the Yamaha database average. Around the 20th percentile across Yamaha models.
About 22% taller than the Yamaha database average. Around the 96th percentile across Yamaha models.
About 42% smaller than the Yamaha database average. Around the 23rd 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.
450 cc — larger displacement than about 51% of Yamaha models.
118.8 kg — heavier than about 20% of Yamaha models, or lighter than about 80%.
965 mm — taller than about 96% of Yamaha models.
7.6 L — larger than about 23% 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.
2,174
2,082
4% above average.
826
823
Close to average.
1,290
1,172
10% above average.
965
793
22% above average.
335
181
85% above average.
Mechanical overview
Additional useful specifications
| Front tire size | 90/90-21 |
|---|---|
| Rear tire size | 120/90-18 |
| Front tire width | 90 mm |
| Front tire aspect ratio | 90% |
| Front rim diameter | 21 in |
| Rear tire width | 120 mm |
| Rear tire aspect ratio | 90% |
| Rear rim diameter | 18 in |
| Bore/stroke ratio | 1.60:1 (Oversquare) |
Engine specifications
| Engine type | Single cylinder, four-stroke |
|---|---|
| Displacement | 449.7 cc (27.44 cu in) |
| Bore × stroke | 97.0 x 60.8 mm (3.8 x 2.4 inches) |
| Compression ratio | 12.5:1 |
| Valves per cylinder | 4 |
| Cooling system | Liquid |
| Fuel system | Injection. Keihin 44mm |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Ignition | TCI |
| Starter | Electric |
| Lubrication | Wet sump |
Transmission and drivetrain
| Gearbox | 5-speed |
|---|---|
| Final drive | Chain (final drive) |
| Clutch | Wet multi-disc |
Chassis and suspension
| Frame | Aluminum Bilateral Beam frame |
|---|---|
| Front suspension | KYB® spring-type fork with speed sensitive damping; fully adjustable |
| Rear suspension | KYB® single shock; full adjustable |
| Front wheel travel | 310 mm (12.2 inches) |
| Rear wheel travel | 318 mm (12.5 inches) |
| Rake | 28.0° |
Brakes, wheels and tires
| Front brakes | Single disc. Hydraulic |
|---|---|
| Rear brakes | Single disc. Hydraulic |
| Front tire | 90/90-21 |
| Rear tire | 120/90-18 |
Dimensions and weight
| Wet weight | 118.8 kg (262 lb) |
|---|---|
| Seat height | 965 mm (38.0 inches) |
| Overall length | 2,174 mm (85.6 inches) |
| Overall width | 826 mm (32.5 inches) |
| Overall height | 1,290 mm (50.8 inches) |
| Ground clearance | 335 mm (13.2 inches) |
Fuel and emissions
| Fuel capacity | 7.57 L (2.00 US gal) |
|---|
Other specifications
| Color options | Team Yamaha Blue/White |
|---|---|
| Factory warranty | 30 Day Limited Factory Warranty |
| Price as new | US$ 8890. MSRP depends on country, taxes, accessories, etc. |
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.