Key performance
449 cc
Displacement
988 mm
Seat height
6.8 L
Fuel capacity
Compare the Yamaha YZ 450 F with: Choose a motorcycle →
Technical specifications
Changements 2005 → 2007
- Compression ratio
- 12.5:1 → 12.3:1
- Valves/cylinder
- 5 → —
- Ignition
- — → Digital CDI
- Frame
- — → Wet multi-plate
- Front suspension
- 48mm Kayaba inverted telescopic fork w/adjustable compression and rebound damping → Telescopic Fork, coil spring/oil damper
- Rear suspension
- Kayaba single shock w/adjustable preload, compression and rebound damping and separate hi/lo-speed compression adjuster → Swingarm (link, suspension), coil spring/gas-oil damper,
- Rear wheel travel
- 318 mm (12.5 inches) → 315 mm (12.4 inches)
- Front tyre
- 80/80-21 → 80/80-M21
- Rear tyre
- 110/90-19 → 110/90-M19
- Seat height
- 996.00 mm → 988.00 mm
- Wheelbase
- 1486.00 mm → 1494.00 mm
- Ground clearance
- 371.00 mm → 373.00 mm
- Length
- 2172.00 mm → 2192.00 mm
- Width
- 828.00 mm → 826.00 mm
- Height
- 996.00 mm → 1306.00 mm
- Dry weight
- — → 99.80 kg
Engine
- Displacement
- 449 cc
- Engine type
- Single cylinder, four-stroke
- Cooling
- Liquid
- Compression ratio
- 12.3:1
- Bore × stroke
- 95.0 x 63.4 mm (3.7 x 2.5 inches)
- Fuel system
- Carburettor
- Valve timing
- Double Overhead Cams/Twin Cam (DOHC)
- Ignition
- Digital CDI
Chassis
- Frame
- Wet multi-plate
- Gearbox
- 5-speed
- Final drive
- Chain (final drive)
- Front suspension
- Telescopic Fork, coil spring/oil damper
- Rear suspension
- Swingarm (link, suspension), coil spring/gas-oil damper,
- Front wheel travel
- 300 mm (11.8 inches)
- Rear wheel travel
- 315 mm (12.4 inches)
Brakes
- Front brakes
- Single disc
- Rear brakes
- Single disc
- Front tyre
- 80/80-M21
- Rear tyre
- 110/90-M19
Dimensions
- Seat height
- 988.00 mm
- Wheelbase
- 1494.00 mm
- Ground clearance
- 373.00 mm
- Length
- 2192.00 mm
- Width
- 826.00 mm
- Height
- 1306.00 mm
- Fuel capacity
- 6.81 L
- Dry weight
- 99.80 kg
Similar bikes
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Kawasaki
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Displacement 449 cc
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Kawasaki
Cross / motocrossKX 450F
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Displacement 449 cc
Power 59 ch
Weight 109 kg
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