Yamaha WR 450 F Specs (Top Speed | Horsepower | Weight)

The Yamaha WR 450 F motorcycle specifications include a 449 cc (27.40 cu in) engine and a listed weight of 105.5 kg (232.6 lb).

Key specifications

2004-2007Model years
449 ccDisplacement
105.5 kgDry weight
998 mmSeat height
1,485 mmWheelbase
371 mmGround clearance
Model years covered
2004200520062007
Year-specific specification changes

The 2004 model is treated as the standard specification. Only later model years with a different supplied value are shown below.

Compression ratio
200712.3:1
Dry weight
2006112.5 kg (248 lb)
2007112 kg (246.9 lb)
Front brakes
2006Single disc. Four-piston calipers.
Front suspension
200546mm Kayaba inverted telescopic fork w/adjustable compression and rebound damping
2006Inverted telescopic fork, Kayaba
2007Telescopic Fork, Coil spring/oil damper, 11.8´
Front tire
200580/100-21
200690/90-R21
200780/80-M21
Rear brakes
2006Single disc. Two-piston calipers.
Rear suspension
2005Kayaba single shock w/adjustable preload, compression and rebound damping and separate hi/lo-speed compression adjuster
2006Swingarm (linked type suspension), Kayable single shock
2007Swingarm (link, suspension), Coil spring/gas-oil damper, 12.0´
Rear tire
2005110/100-18
2006130/90-R18
2007110/90-M18
Wheelbase
20051,483 mm (58.4 inches)
20071,486 mm (58.5 inches)
Ground clearance
2007366 mm (14.4 inches)
Overall height
20051,300 mm (51.2 inches)
20071,295 mm (51.0 inches)
Overall length
20052,169 mm (85.4 inches)
20072,174 mm (85.6 inches)
Overall width
2005826 mm (32.5 inches)
2007826 mm (32.5 inches)
Rear wheel travel
2005318 mm (12.5 inches)
Seat height
2005996 mm (39.2 inches)
2007978 mm (38.5 inches)

How the Yamaha WR 450 F compares

This compares the motorcycle with all Yamaha models in this specifications database. The blue marker is this model and the grey line is the Yamaha database average.

Displacement449 cc
Low 49 ccAverage 550 ccHigh 1,852 cc

About 18% lower than the Yamaha database average. Around the 51st percentile across Yamaha models.

Seat height998 mm
Low 635 mmAverage 793 mmHigh 989 mm

About 26% taller than the Yamaha database average. Around the 99th percentile across Yamaha models.

This model Yamaha database average

Yamaha database percentile rankings

Percentiles show where this motorcycle sits across the Yamaha specifications database. They are descriptive database rankings, not performance ratings.

Displacement51st

449 cc — larger displacement than about 51% of Yamaha models.

Seat height99th

998 mm — taller than about 99% of Yamaha models.

Dimensions compared with Yamaha average

Each measurement is compared with the average value across Yamaha models where that dimension is available.

Overall length2,171 mm
This bike

2,171

Yamaha avg

2,082

4% above average.

Overall width827 mm
This bike

827

Yamaha avg

823

Close to average.

Overall height1,303 mm
This bike

1,303

Yamaha avg

1,172

11% above average.

Wheelbase1,485 mm
This bike

1,485

Yamaha avg

1,416

5% above average.

Seat height998 mm
This bike

998

Yamaha avg

793

26% above average.

Ground clearance371 mm
This bike

371

Yamaha avg

181

105% above average.

Mechanical overview

Engine layout snapshot

Single cylinder, four-stroke • 449 cc • Liquid cooled
Chassis snapshot

Wheelbase 1,485 mmSeat 998 mmClearance 371 mm
90/90-21 front / 130/90-18 rear

Additional useful specifications

Front tire size 90/90-21
Rear tire size 130/90-18
Front tire width 90 mm
Front tire aspect ratio 90%
Front rim diameter 21 in
Rear tire width 130 mm
Rear tire aspect ratio 90%
Rear rim diameter 18 in
Bore/stroke ratio 1.50:1 (Oversquare)

Model information

Category Enduro / offroad

Engine specifications

Engine type Single cylinder, four-stroke
Displacement 449 cc (27.40 cu in)
Bore × stroke 95.0 x 63.4 mm (3.7 x 2.5 inches)
Compression ratio 12.5:1
Valves per cylinder 5
Cooling system Liquid
Fuel control Double Overhead Cams/Twin Cam (DOHC)

Chassis and suspension

Front suspension Telescopic fork
Rear suspension Swingarm (linked type suspension)
Front wheel travel 300 mm (11.8 inches)
Rear wheel travel 315 mm (12.4 inches)

Brakes, wheels and tires

Front brakes Single disc
Rear brakes Single disc
Front tire 90/90-21
Rear tire 130/90-18

Dimensions and weight

Dry weight 105.5 kg (232.6 lb)
Seat height 998 mm (39.3 inches)
Overall length 2,171 mm (85.5 inches)
Overall width 827 mm (32.6 inches)
Overall height 1,303 mm (51.3 inches)
Wheelbase 1,485 mm (58.5 inches)
Ground clearance 371 mm (14.6 inches)

Other specifications

Color options Racing blue

Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from Yamaha models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Yamaha information before relying on them. Visit the official Yamaha website.