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2007 Yamaha WR450F
 
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2007 Yamaha WR450F


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2007 Yamaha WR450F 2007 Yamaha WR450F

Technical Specification

  • Engine Type - Liquid-cooled, 4-stroke, DOHC, 5-valves, forward-inclined single cylinder
  • Displacement - 449 cc
  • Bore and stroke - 95 x 63.4 mm
  • Compression ratio - 12.3 : 1
  • Max. power - NA
  • Max. torque - NA
  • Lubrication - Dry sump
  • Carburettor - Keihin FCR-MX39/1
  • Clutch type - Wet, multiple-disc
  • Ignition - CDI
  • Starter system - Electric and kick
  • Transmission - Constant mesh, 5-speed
  • Final transmission - Chain
  • Primary reduction ratio - 61/23 (2.652)
  • Secundary reduction ratio - 50/13 (3.846)
  • Gear ratio - Gear ratio 1; 29/12 (2.417), Gear ratio 2; 26/15 (1.733), Gear ratio 3; 21/16 (1.313), Gear ratio 4; 21/20 (1.050), Gear ratio 5; 21/25 (0.840)
  • Frame - Alu semi-double cradle
  • Front suspension - Telescopic forks
  • Front wheel travel - 300 mm
  • Rear suspension - Swingarm (link suspension)
  • Rear wheel travel - 305 mm
  • Caster angle - 27.0
  • Trail - 116 mm
  • Front brake - Single disc, 250 mm
  • Rear brake - Single disc, 245 mm
  • Front tyre - 90/90-21 54R
  • Rear tyre - 130/90-18 69R
  • Overall length - 2,190 mm
  • Overall width - 825 mm
  • Overall height - 1,300 mm
  • Seat height -990 mm
  • Wheelbase - 1,485 mm
  • Min. ground clearance - 370 mm
  • Dry weight - 112.5 kg
  • Fuel tank capacity - 8.0 litres
  • Oil tank capacity - 1.2 litre
  • Specification are subject to change without notice, in accordance with national regulation and legislations.