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Featuring a number of detail changes to the chassis, the 2008
Yamaha WR450F offers the serious competitor a high level of enduro-winning
potential, combined with unrivalled reliability and outstanding
quality. The WR450F’s efficient DOHC 5-valve engine delivers
remarkably strong power in the low to mid-range, giving class-leading
performance over a wide variety of terrain. Its aluminium chassis
offers an idealised rigidity balance for quick directional changes
in the tight stuff, and winning times in the MX tests. And with
France’s Jonny Aubert and his WR450F chasing hard for the
WEC E2 title, this bike is right up there!
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Engine -
Engine type: Liquid cooled, 4-stroke, DOHC, 5-valves, forward-inclined
single cylinder
Displacement: 449 cc
Bore x stroke: 95.0 x 63.4 mm
Compression ratio: 12.3:1
Lubrication system: Dry sump
Carburettor: Keihin FCR-MX39/1
Clutch type: Wet, multiple-disc
Ignition system: CDI
Starter system: Electric and kick
Transmission system: Constant mesh, 5-speed
Final transmission: Chain
Fuel tank capacity: 8.0 L
Oil tank capacity: 1.2 L
Chassis -
Chassis: Alu semi-double cradle
Front suspension system: Telescopic forks
Front travel: 300 mm
Rear suspension system: Swingarm (link suspension)
Rear travel: 305 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 -
Length (mm): 2,190 mm
Width (mm): 825 mm
Height (mm): 1,300 mm
Seat height (mm): 990 mm
Wheel base (mm): 1,485 mm
Minimum ground clearance (mm): 370 mm
Dry weight (kg) 112.5 kg
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