The Yamaha YFZ450X SE motorcycle specifications include a 449 cc (27.40 cu in) engine, a 5-speed gearbox, and a listed weight of 181.4 kg (400 lb).
Key specifications
The 2011 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
How the Yamaha YFZ450X SE 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.
Very close to the Yamaha database average. Around the 50th percentile across Yamaha models.
Very close to the Yamaha database average. Around the 66th percentile across Yamaha models.
About 25% smaller than the Yamaha database average. Around the 33rd 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.
181.4 kg — heavier than about 50% of Yamaha models, or lighter than about 50%.
810 mm — taller than about 66% of Yamaha models.
9.8 L — larger than about 33% 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.
1,796
2,082
14% below average.
1,171
823
42% above average.
1,064
1,172
9% below average.
1,270
1,416
10% below average.
810
793
Close to average.
114
181
37% below average.
Mechanical overview
Additional useful specifications
| Front tire size | 21/7-10 |
|---|---|
| Rear tire size | 20/10-9 |
| Bore/stroke ratio | 1.50:1 (Oversquare) |
Engine specifications
| Engine type | Single cylinder, four-stroke |
|---|---|
| Displacement | 449 cc (27.40 cu in) |
| Bore × stroke | 95.0 x 63.4 mm (3.7 x 2.5 inches) |
| Compression ratio | 11.6:1 |
| Cooling system | Liquid |
| Fuel system | Injection. Yamaha Fuel Injection (YFI), 42mm |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Ignition | Transistor Controlled Ignition |
| Starter | Electric |
Transmission and drivetrain
| Gearbox | 5-speed |
|---|---|
| Final drive | Chain (final drive) |
Chassis and suspension
| Front suspension | Independent double wishbone, w/Kashima coated piggyback shocks, High/Low speed compression, rebound |
|---|---|
| Rear suspension | Cast aluminum swingarm w/piggyback High/Low speed compression, rebound and threaded preload adjustment, 11.0-in travel |
Brakes, wheels and tires
| Front brakes | Double disc |
|---|---|
| Rear brakes | Single disc |
| Front tire | 21/7-10 |
| Rear tire | 20/10-9 |
Dimensions and weight
| Wet weight | 181.4 kg (400 lb) |
|---|---|
| Seat height | 810 mm (31.9 inches) |
| Overall length | 1,796 mm (70.7 inches) |
| Overall width | 1,171 mm (46.1 inches) |
| Overall height | 1,064 mm (41.9 inches) |
| Wheelbase | 1,270 mm (50.0 inches) |
| Ground clearance | 114 mm (4.5 inches) |
Fuel and emissions
| Fuel capacity | 9.84 L (2.60 US gal) |
|---|
Electrical and instruments
| Lights | Dual 30W Krypton multireflector Headlights and 3.9/0.5W LED Brake light |
|---|
Other specifications
| Color options | Black metallic/red |
|---|---|
| Factory warranty | 6 Month (Limited Factory Warranty) |
| Price as new | US$ 8949. 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.