The Yamaha YZ 450 F motorcycle specifications include a 449 cc (27.40 cu in) engine, a 4-speed gearbox, and a listed weight of 97 kg (213.8 lb).
Key specifications
2004-2007Model years
449 ccDisplacement
97 kgDry weight
995 mmSeat height
7 LFuel tank
1,485 mmWheelbase
371 mmGround clearance
Model years covered
2004200520062007
Year-specific specification changes
The 2004 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
Front suspension
200548mm Kayaba inverted telescopic fork w/adjustable compression and rebound damping
2006Upside-down telescopic fork
2007Telescopic Fork, coil spring/oil damper
Front tire
200580/80-21
200680/90-R21
200780/80-M21
Fuel system
2006Carburettor. Keihin FCR37H
Rear suspension
2005Kayaba single shock w/adjustable preload, compression and rebound damping and separate hi/lo-speed compression adjuster
2007Swingarm (link, suspension), coil spring/gas-oil damper,
Wheelbase
20051,486 mm (58.5 inches)
20061,495 mm (58.9 inches)
20071,494 mm (58.8 inches)
Fuel capacity
20056.81 L (1.80 US gal)
20076.81 L (1.80 US gal)
Ground clearance
20062007373 mm (14.7 inches)
Overall height
2005996 mm (39.2 inches)
20061,300 mm (51.2 inches)
20071,306 mm (51.4 inches)
Overall length
20052,172 mm (85.5 inches)
20062,197 mm (86.5 inches)
20072,192 mm (86.3 inches)
Overall width
2005828 mm (32.6 inches)
2006815 mm (32.1 inches)
2007826 mm (32.5 inches)
Rear wheel travel
2005318 mm (12.5 inches)
2006125 mm (4.9 inches)
Seat height
2005996 mm (39.2 inches)
2006998 mm (39.3 inches)
2007988 mm (38.9 inches)
How the Yamaha YZ 450 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.
Displacement449 cc
Low 49 ccAverage 550 ccHigh 1,852 cc
About 18% lower than the Yamaha database average. Around the 51st percentile across Yamaha models.
Seat height995 mm
Low 635 mmAverage 793 mmHigh 989 mm
About 26% taller than the Yamaha database average. Around the 99th percentile across Yamaha models.
Fuel capacity7 L
Low 4 LAverage 13 LHigh 24 L
About 46% smaller than the Yamaha database average. Around the 20th percentile across Yamaha models.
This model Yamaha database average
Mechanical overview
Engine layout snapshot
Single cylinder, four-stroke • 449 cc • Liquid cooled
Chassis snapshot
Wheelbase 1,485 mmSeat 995 mmClearance 371 mm
4-speed • Chain (final drive) • 80/100-21 front / 110/90-19 rear
Additional useful specifications
| Front tire size |
80/100-21 |
| Rear tire size |
110/90-19 |
| Front tire width |
80 mm |
| Front tire aspect ratio |
100% |
| Front rim diameter |
21 in |
| Rear tire width |
110 mm |
| Rear tire aspect ratio |
90% |
| Rear rim diameter |
19 in |
| 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 |
12.5:1 |
| Valves per cylinder |
5 |
| Cooling system |
Liquid |
| Fuel system |
Carburettor |
| Fuel control |
Double Overhead Cams/Twin Cam (DOHC) |
| Starter |
Kick |
Transmission and drivetrain
| Gearbox |
4-speed |
| Final drive |
Chain (final drive) |
Chassis and suspension
| Front suspension |
Telescopic fork |
| Rear suspension |
Swingarm (linked type monocross) |
| 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 |
80/100-21 |
| Rear tire |
110/90-19 |
Dimensions and weight
| Dry weight |
97 kg (213.8 lb) |
| Seat height |
995 mm (39.2 inches) |
| Overall length |
2,171 mm (85.5 inches) |
| Overall width |
827 mm (32.6 inches) |
| Overall height |
1,303 mm (51.3 inches) |
| Wheelbase |
1,485 mm (58.5 inches) |
| Ground clearance |
371 mm (14.6 inches) |
Fuel and emissions
| Fuel capacity |
7.00 L (1.85 US gal) |
Other specifications
| Color options |
Blue |
| Price as new |
US$ 6300. 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.