Yamaha WR450F (2011-12)

Make Model: Yamaha WR450F


Year: 2011 – 12
Engine: Four stroke, Single cylinder, DOHC, 5 valves
Capacity: 449 cc / 27.4 cu in
Bore x Stroke: 95 x 63.4 mm
Cooling System: Liquid cooled
Compression Ratio: 12.3:1
Lubrication: Dry sump
Oil Capacity: 1.2 L / 2.5 US pt
Exhaust: Single, upswept, under seat
Induction: 39mm Keihin FCR flat-slide throttle position sensor
Ignition: CDI
Starting: Electric & kick
Max Power: 58 hp / 42.3 kW @ 9000 rpm
Max Torque: 5.0 kgf-m 36.2 ft-lb @ 7500 rpm
Clutch: Wet, multi-disc
Transmission: 5-Speed, constant mesh
Final Drive: Chain
Frame: Aluminium bilateral beam
Front Suspension: 48mm Upside down telescopic fork
Front Wheel Travel: 300 mm / 11.8 in
Rear Suspension: Swingarm, link suspension, mono shock

Rear Wheel Travel: 305 mm / 12.0 in
Front Brakes: Hydraulic single 250 mm disc 4 piston caliper
Rear Brakes: Single 245 mm disc 2 piston caliper
Wheels: Aluminium alloy, laced spokes
Front Tyre: 80/100-21 51P
Rear Tyre: 120/90-18 65P
Rake: 27 degrees
Trail: 115 mm / 4.5 in
Dimensions: Length: 2315 mm / 91.1 in Width: 825 mm / 32.5 in Height: 1275 mm / 50.2 in
Wheelbase: 1475 mm / 58.1 in
Ground Clearance: 335 mm / 13.2 in
Seat Height: 960 mm / 37.8 in
Dry Weight: 112.5 kg / 268 lbs
Wet Weight: 122 kg / 268 lbs
Fuel Capacity: 7.2 Litres / 1.9 US gal


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