Key performance
449 cc
Displacement
995 mm
Seat height
Compare the Yamaha YZ 450 F with: Choose a motorcycle →
Technical specifications
Changements 2007 → 2004
- Engine type
- Single cylinder, four-stroke → Single cylinder, two-stroke
- Compression ratio
- 12.3:1 → 12.5:1
- Valves/cylinder
- — → 5
- Fuel system
- Carburettor → —
- Ignition
- Digital CDI → —
- Frame
- Wet multi-plate → —
- Gearbox
- 5-speed → —
- Final drive
- Chain (final drive) → —
- Front suspension
- Telescopic Fork, coil spring/oil damper → Telescopic fork
- Rear suspension
- Swingarm (link, suspension), coil spring/gas-oil damper, → Swingarm (linked type monocross)
- Front tyre
- 80/80-M21 → 80/100-21
- Rear tyre
- 110/90-M19 → 110/90-19
- Seat height
- 988.00 mm → 995.00 mm
- Wheelbase
- 1494.00 mm → 1485.00 mm
- Ground clearance
- 373.00 mm → 371.00 mm
- Length
- 2192.00 mm → 2171.00 mm
- Width
- 826.00 mm → 827.00 mm
- Height
- 1306.00 mm → 1303.00 mm
- Fuel capacity
- 6.81 L → —
- Dry weight
- 99.80 kg → 97.00 kg
Engine
- Displacement
- 449 cc
- Engine type
- Single cylinder, two-stroke
- Cooling
- Liquid
- Compression ratio
- 12.5:1
- Bore × stroke
- 95.0 x 63.4 mm (3.7 x 2.5 inches)
- Valves/cylinder
- 5
- Valve timing
- Double Overhead Cams/Twin Cam (DOHC)
Chassis
- 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
- Front brakes
- Single disc
- Rear brakes
- Single disc
- Front tyre
- 80/100-21
- Rear tyre
- 110/90-19
Dimensions
- Seat height
- 995.00 mm
- Wheelbase
- 1485.00 mm
- Ground clearance
- 371.00 mm
- Length
- 2171.00 mm
- Width
- 827.00 mm
- Height
- 1303.00 mm
- Dry weight
- 97.00 kg
Similar bikes
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Kawasaki
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Displacement 449 cc
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Kawasaki
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Displacement 449 cc
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Weight 109 kg
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