Key performance
449 cc
Displacement
998 mm
Seat height
7.0 L
Fuel capacity
Compare the Yamaha YZ 450 F with: Choose a motorcycle →
Technical specifications
Changements 2004 → 2006
- Engine type
- Single cylinder, two-stroke → Single cylinder, four-stroke
- Compression ratio
- 12.5:1 → 12.3:1
- Valves/cylinder
- 5 → —
- Fuel system
- — → Carburettor. Keihin FCR37H
- Lubrication
- — → Dry sump
- Ignition
- — → CDI
- Starter
- — → Kick
- Gearbox
- — → 5-speed
- Final drive
- — → Chain (final drive)
- Clutch
- — → Wet, multiple-disc
- Front suspension
- Telescopic fork → Upside-down telescopic fork
- Rear wheel travel
- 315 mm (12.4 inches) → 125 mm (4.9 inches)
- Front tyre
- 80/100-21 → 80/90-R21
- Seat height
- 995.00 mm → 998.00 mm
- Wheelbase
- 1485.00 mm → 1495.00 mm
- Ground clearance
- 371.00 mm → 373.00 mm
- Length
- 2171.00 mm → 2197.00 mm
- Width
- 827.00 mm → 815.00 mm
- Height
- 1303.00 mm → 1300.00 mm
- Fuel capacity
- — → 7.00 L
- Dry weight
- 97.00 kg → 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. Keihin FCR37H
- Valve timing
- Double Overhead Cams/Twin Cam (DOHC)
- Lubrication
- Dry sump
- Ignition
- CDI
- Starter
- Kick
Chassis
- Gearbox
- 5-speed
- Final drive
- Chain (final drive)
- Clutch
- Wet, multiple-disc
- Front suspension
- Upside-down telescopic fork
- Rear suspension
- Swingarm (linked type monocross)
- Front wheel travel
- 300 mm (11.8 inches)
- Rear wheel travel
- 125 mm (4.9 inches)
Brakes
- Front brakes
- Single disc
- Rear brakes
- Single disc
- Front tyre
- 80/90-R21
- Rear tyre
- 110/90-19
Dimensions
- Seat height
- 998.00 mm
- Wheelbase
- 1495.00 mm
- Ground clearance
- 373.00 mm
- Length
- 2197.00 mm
- Width
- 815.00 mm
- Height
- 1300.00 mm
- Fuel capacity
- 7.00 L
- Dry weight
- 99.80 kg
Similar bikes
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Kawasaki
Cross / motocrossKX 450 50ème anniversaire
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Displacement 449 cc
Power 62 ch
Weight 113 kg
Kawasaki
Cross / motocrossKX 450F
2018
Displacement 449 cc
Power 59 ch
Weight 109 kg
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