What category is the 2009 Yamaha YZ450F?

The 2009 Yamaha YZ450F has a Category of Cross / motocross.

What is the engine size of the 2009 Yamaha YZ450F?

The 2009 Yamaha YZ450F has a Capacity: of 449.00 ccm (27.40 cubic inches).

What type of engine does the 2009 Yamaha YZ450F have?

The 2009 Yamaha YZ450F has a Engine type of Single cylinder, four-stroke.

Is the 2009 Yamaha YZ450F air cooled or liquid cooled?

The 2009 Yamaha YZ450F has a Cooling system of Liquid.

How many gears does the 2009 Yamaha YZ450F have?

The 2009 Yamaha YZ450F has a Gearbox of 5-speed.

How much does the 2009 Yamaha YZ450F weigh?

The 2009 Yamaha YZ450F has a Weight incl. oil, gas, etc of 108.0 kg (238.0 pounds).

What is the seat height of the 2009 Yamaha YZ450F?

The 2009 Yamaha YZ450F has a Seat height of 988 mm (38.9 inches) If adjustable, lowest setting..

Yamaha YZ450F - 2009 Specifications and Reviews

Name: 2009 Yamaha YZ450F
Brand: Yamaha
Rating: 4 (1 reviews)

The 2009 Yamaha YZ450F is a competitive motocross machine designed for intermediate to advanced riders seeking a powerful and reliable four-stroke platform. Its 449cc liquid-cooled single-cylinder engine delivers strong mid-range torque ideal for varied terrain, while the Speed-Sensitive inverted fork and five-speed gearbox provide excellent handling and control. Best known for its proven reliability and balanced performance characteristics in both amateur and semi-professional racing.

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General information
Category	Cross / motocross
Year	2009
Model	Yamaha YZ450F

Engine and Transmission Specifications
Transmission type,final drive	Chain
Gearbox	5-speed
Cooling system	Liquid
Ignition	CDI
Fuel control	DOHC
Fuel system	Carburettor. Keihin FCR MX39
Valves per cylinder	5
Bore x stroke	95.0 x 63.4 mm (3.7 x 2.5 inches)
Compression	12.3:1
Engine type	Single cylinder, 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	245 mm (9.6 inches)
Front brakes	Single disc
Rear tyre dimensions	120/80-19
Front tyre dimensions	80/80-21
Rear suspension travel	312 mm (12.3 inches)
Rear suspension	Fully adjustable single shock
Front suspension travel	300 mm (11.8 inches)
Front suspension	Speed-Sensitive System inverted fork
Physical measures and capacities
Fuel capacity	6.81 litres (1.80 gallons)
Wheelbase	1,494 mm (58.8 inches)
Ground clearance	373 mm (14.7 inches)
Overall width	826 mm (32.5 inches)
Overall length	2,195 mm (86.4 inches)
Overall height	1,306 mm (51.4 inches)
Seat height	988 mm (38.9 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc	108.0 kg (238.0 pounds)

Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay
Color options	Team Yamaha Blue/White, White/Red

Performance Profile & Rider Fit

Best For

Track90%

City10%

Cornering88%

Daily Riding10%

Touring10%

Passenger5%

Rider Profile

Best For	This is a full-size open-class motocross weapon best suited to intermediate through expert riders comfortable with aggressive power delivery and a tall, firm chassis.
Purpose	Built purely for motocross racing and hard off-road riding, excelling on tracks and rough terrain rather than street use.
Rider Fit	Its 38-inch seat height, lightweight 243 lb wet weight, and race-oriented ergonomics demand good rider fitness, leg length, and standing-riding technique.
Character	Sharp, high-revving, and razor-responsive, it rewards committed, active riding with explosive acceleration and precise cornering manners.
Not Ideal For	It is not suited for commuting, touring, passengers, or casual low-speed street riding due to its lack of lights, mirrors, and road-going comfort features.

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

Rider Fit Visualizer

2009 Yamaha YZ450F Rider Ergonomics Assessment

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Feet:

At 988mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2009 Yamaha YZ450F, 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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