What category is the 2006 Yamaha YZ 450 F?

The 2006 Yamaha YZ 450 F has a Category of Cross / motocross.

What is the engine size of the 2006 Yamaha YZ 450 F?

The 2006 Yamaha YZ 450 F has a Capacity: of 449.00 ccm (27.40 cubic inches).

What type of engine does the 2006 Yamaha YZ 450 F have?

The 2006 Yamaha YZ 450 F has a Engine type of V2, four-stroke.

Is the 2006 Yamaha YZ 450 F air cooled or liquid cooled?

The 2006 Yamaha YZ 450 F has a Cooling system of Liquid.

How many gears does the 2006 Yamaha YZ 450 F have?

The 2006 Yamaha YZ 450 F has a Gearbox of 5-speed.

How much does the 2006 Yamaha YZ 450 F weigh?

The 2006 Yamaha YZ 450 F has a Dry weight of 99.8 kg (220.0 pounds).

What is the seat height of the 2006 Yamaha YZ 450 F?

The 2006 Yamaha YZ 450 F has a Seat height of 998 mm (39.3 inches) If adjustable, lowest setting..

Yamaha YZ 450 F - 2006 Specifications and Reviews

Name: 2006 Yamaha YZ 450 F
Brand: Yamaha

The 2006 Yamaha YZ450F is a competitive 449cc four-stroke motocross machine designed for intermediate to advanced riders seeking race-ready performance. Known for its potent V-twin engine and responsive power delivery, it dominated the MX2 class with excellent handling and reliability. The liquid-cooled DOHC engine delivers strong mid-range torque ideal for varied track conditions.

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General information
Category	Cross / motocross
Year	2006
Model	Yamaha YZ 450 F

Engine and Transmission Specifications
Clutch	Wet, multiple-disc
Transmission type,final drive	Chain
Gearbox	5-speed
Cooling system	Liquid
Lubrication system	Dry sump
Ignition	CDI
Fuel control	DOHC
Fuel system	Carburettor. Keihin FCR37H
Bore x stroke	95.0 x 63.4 mm (3.7 x 2.5 inches)
Compression	12.3:1
Engine type	V2, four-stroke
Capacity:	449.00 ccm (27.40 cubic inches)
Brakes, suspension, Frame and wheels
Rear brakes diameter	245 mm (9.6 inches)
Rear brakes	Single disc
Front brakes diameter	250 mm (9.8 inches)
Front brakes	Single disc
Rear tyre dimensions	110/90-19
Front tyre dimensions	80/90-R21
Rear suspension travel	125 mm (4.9 inches)
Rear suspension	Swingarm (linked type monocross)
Front suspension travel	300 mm (11.8 inches)
Front suspension	Upside-down telescopic fork
Physical measures and capacities
Fuel capacity	7.00 litres (1.85 gallons)
Wheelbase	1,495 mm (58.9 inches)
Ground clearance	373 mm (14.7 inches)
Overall width	815 mm (32.1 inches)
Overall length	2,197 mm (86.5 inches)
Overall height	1,300 mm (51.2 inches)
Seat height	998 mm (39.3 inches) If adjustable, lowest setting.
Dry weight	99.8 kg (220.0 pounds)

Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay
Starter	Kick

Performance Profile & Rider Fit

Best For

Track55%

City5%

Cornering60%

Daily Riding8%

Touring5%

Passenger0%

Rider Profile

Best For	This is a full-race competition motocross bike best suited to experienced off-road or motocross riders, not beginners.
Purpose	Built purely for motocross racing and serious off-road riding, not for commuting or general road use.
Rider Fit	Its tall 988mm seat height, minimal weight, and aggressive suspension travel demand good rider fitness, strength, and off-road skill to control effectively.
Character	A light, high-revving, race-bred single-cylinder machine that rewards aggressive riding, quick direction changes, and confident throttle control.
Not Ideal For	Not suitable for riders wanting a comfortable commuter, a passenger-friendly bike, or any form of long-distance road touring.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2006 Yamaha YZ 450 F Rider Ergonomics Assessment

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Feet:

At 998mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2006 Yamaha YZ 450 F, with a moderate knee angle of around 90 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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