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2008 Yamaha WR450F

2008 Yamaha WR450F

TECHNICAL SPECIFICATION 2008 WR450F
ENGINE  
Type Liquid-cooled, 4-stroke, DOHC, 5-valves,
  forward-inclined single cylinder
Displacement 449 cc
Bore and stroke 95.0 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)
CHASSIS  
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, Ø 250 mm
Rear brake Single disc, Ø 245 mm
Front tyre 90/90-21 54R
Rear tyre 130/90-18 69R
DIMENSIONS  
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

 

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