Yamaha WR 450 Fback 2004 forward

Water cooled, 449cc, Single, DOHC

Final drive: Chain
Dry weight: 343.9 lbs
Category: Offroad
Tags: Enduro
Engine and transmission
Engine type: 1 cylinders, 4-stroke, Single
Displacement: 449 cc (27.43 cubic inches)
Bore × stroke: 3.74 inch × 2.5 inch (oversquare - shortstroke)
Cooling system: Water cooled
Throttle: Cable operated
Valves
Valve train: DOHC, variable
Valves per cylinder: 4
Fuel and ignition
Sparks per cylinder: 1
Fuel supply system: Carburetor
Compression: 12.5:1
Engine mounting: Transverse
Lubrication system: Wet sump
Gear box: Manual 5-speed
Clutch: Wet, multiple discs, cable operated
Final drive: Chain
Starter: Electric / Kick-starter
Dimensions
Physical measures
Length: 85.5 inch
Width: 32.6 inch
Height: 51.3 inch
Wheel base: 58.5 inch
Ground clearance: 14.61 inch
Seat height: 39.3 inch
Weight
Dry weight: 343.9 lbs
Chassis and suspension
Frame type: steel, Single cradle frame
Front
Suspension: Cartridge - upside-down
Suspension travel: 11.81 inch
Brake: Single Disk, Ø9.84 inch
Tire: 90 / 90 R21
Rear
Suspension: mono shock, Swingarm
Suspension travel: 12.4 inch
Brake: Disk, Ø9.45 inch
Tire: 130 / 90 R18
Other
ABS available: No
Fuel capacity: 2.64 gals
Number of riders: 2 persons

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