2005 Yamaha YZ 450 F specifications

Available technical data for this model and year. Specifications can vary by market and version.

Technical specifications

Displacement	449.0 ccm (27.40 cubic inches)
Engine type	Single cylinder, four-stroke
Compression	12.5:1
Bore x stroke	95.0 x 63.4 mm (3.7 x 2.5 inches)
Valves per cylinder	5
Fuel system	Carburettor
Fuel control	Double Overhead Cams/Twin Cam (DOHC)
Cooling system	Liquid
Gearbox	5-speed
Transmission type	Chain (final drive)
Front suspension	48mm 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 brakes	Single disc
Rear brakes	Single disc
Front tyre	80/80-21
Rear tyre	110/90-19
Seat height	996 mm (39.2 inches) If adjustable, lowest setting.
Overall height	996 mm (39.2 inches)
Overall length	2172 mm (85.5 inches)
Overall width	828 mm (32.6 inches)
Ground clearance	371 mm (14.6 inches)
Wheelbase	1486 mm (58.5 inches)
Fuel capacity	6.81 litres (1.80 US gallons)

Source: Bikez: YZ 450 F, 2005. Retrieved 2026-09-19. Match confidence: exact.

Years listed are the entries held in this archive, rather than a complete production history.