2005Yamaha WR 450 F

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The 2005 Yamaha WR 450 F is a competitive four-stroke enduro machine designed for serious off-road riders tackling challenging terrain. Its potent 449cc single-cylinder engine delivers strong mid-range power with excellent reliability, while the advanced inverted fork and 300mm suspension travel provide outstanding handling and comfort on technical trails and cross-country courses.

Capacity: 449.0 ccm
Engine: Single, four-stroke
Gearbox: 5-speed
Dry weight: 112.5 kg
Seat height: 996 mm
Power: 58.0 HP (43.3 kW)

⇄ Compare with another bike All model years

What’s new for the 2005 Yamaha WR 450 F

vs the 2004

Spec	2004	2005
Power	44.9 HP (33.0 kW)	58.0 HP (43.3 kW)
Dry weight	105.5 kg (232.6 pounds)	112.5 kg (248.0 pounds)
Front suspension	Telescopic fork	46mm Kayaba inverted telescopic fork w/adjustable compression and rebound damping
Rear suspension	Swingarm (linked type suspension)	Kayaba single shock w/adjustable preload, compression and rebound damping and separate hi/lo-speed compression adjuster

Other years 2004 2005 2006 2007

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail96%

Cornering60%

City riding20%

Daily riding20%

Touring20%

Two-up5%

Track30%

Best for: Built purely for enduro and technical off-road riding, excelling on trails, motocross-adjacent terrain, and competitive enduro events rather than road use.
Built for: A lightweight, high-revving, nimble machine that rewards an aggressive, active riding style and confident throttle control on loose or technical surfaces.
Not ideal for: Not suitable for riders wanting a comfortable commuter, a passenger-friendly bike, or long-distance paved touring.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

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Your height

Inseam (optional)

Units

At 996mm, a rider of 68.9" with a 31" (estimated) inseam will not reach the ground comfortably on the 2005 Yamaha WR 450 F, with a moderate knee angle of around 90 degrees and an upright riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at over 900 mm — Sky High →

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Full specifications

Engine

Capacity: 449.0 ccm
Power: 58.0 HP (43.3 kW)
Engine type: Single, four-stroke
Power/weight ratio: 0.5156 HP/kg (dry)
Bore x stroke: 95.0 x 63.4 mm
Compression: 12.5:1
Cooling system: Liquid
Fuel system: Carburettor
Starting: Electric
Ignition: CDI
Valves per cylinder: 5
Lubrication system: Wet sump
Torque: Not on record - add it

Transmission

Gearbox: 5-speed
Transmission type: Manual
Final drive: Chain
Clutch: Wet, multiple disc

Dimensions & weight

Wheelbase: 1483 mm
Overall length: 2169 mm
Overall width: 826 mm
Overall height: 1300 mm
Seat height: 996 mm
Dry weight: 112.5 kg
Wet weight: 122.9 kg
Fuel capacity: 9.80 litres
Ground clearance: 371 mm
Oil capacity: 0.80 litres

Chassis & suspension

Frame: Front suspension system
Front suspension: 46mm Kayaba inverted telescopic fork w/adjustable compression and rebound damping
Rear suspension: Kayaba single shock w/adjustable preload, compression and rebound damping and separate hi/lo-speed compression adjuster
Front wheel travel: 300 mm
Rear wheel travel: 318 mm
Rake (fork angle): 26.0°
Trail: 115 mm