CRF Series

CRF Series

  • CRF Family
  • CRF450R Introduction
  • CRF450R Chassis
  • CRF450R Engine
  • CRF450R Styling
  • CRF450R Technical Specifications
  • CRF450R Photo Gallery

CRF450R Technical Specifications

Model name CRF450R (European model)
Dimensions (L x W x H) (mm) 2,191 x 827 x 1,271
Wheelbase (mm) 1,492
Ground clearance (mm) 330
Seat height (mm) 953
Curb weightRiding capacity (kg) 111
Engine liquid-cooled 4 stroke, single cylinder, uni-cam
Displacement (cc) 449.7
Bore x Stroke (mm) 96.0 x 62.1
Compression ratio 12.5: 1
Fuel supply system Programmed fuel injection system (PGM-FI)
Starter Primary kick
Ignition Full transistor
Fuel tank capacity (L) 6.4
Clutch Multi plate wet clutch
Transmission 5-speed constant mesh
Transmission gear ratio 1st 1.800
2nd 1.470
3rd 1.235
4th 1.050
5th 0.909
Reduction gear ratio (primary/secondary) 2.739/3.692 (48/13)
Caster angle/Trail (degree/mm) 27°/116
Tire size Front 80/100-21
Rear 120/80-19
Brakes Front 240mm Hydraulic disc
Rear 240mm Hydraulic disc
Suspension Front 48mm inverted Air Fork, 310mm stroke, fully adjustable
Rear Pro-link, Fully adjustable mono shock, 133.5 mm stroke, 315mm axle travel
Frame Aluminium twin tube

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