What category is the 2011 Kawasaki KX 450F?

The 2011 Kawasaki KX 450F has a Category of Cross / motocross.

What is the engine size of the 2011 Kawasaki KX 450F?

The 2011 Kawasaki KX 450F has a Capacity: of 449.00 ccm (27.40 cubic inches).

What type of engine does the 2011 Kawasaki KX 450F have?

The 2011 Kawasaki KX 450F has a Engine type of Single cylinder, four-stroke.

Is the 2011 Kawasaki KX 450F air cooled or liquid cooled?

The 2011 Kawasaki KX 450F has a Cooling system of Liquid.

How many gears does the 2011 Kawasaki KX 450F have?

The 2011 Kawasaki KX 450F has a Gearbox of 5-speed.

How much does the 2011 Kawasaki KX 450F weigh?

The 2011 Kawasaki KX 450F has a Weight incl. oil, gas, etc of 113.4 kg (249.9 pounds).

What is the seat height of the 2011 Kawasaki KX 450F?

The 2011 Kawasaki KX 450F has a Seat height of 960 mm (37.8 inches) If adjustable, lowest setting..

Kawasaki KX 450F - 2011 Specifications and Reviews

Name: 2011 Kawasaki KX 450F
Brand: Kawasaki

The 2011 Kawasaki KX450F is a high-performance motocross bike designed for intermediate to advanced riders competing at the national level. Powered by a 449cc liquid-cooled four-stroke engine, it delivers aggressive power delivery and precise handling through its steel backbone frame. Known for its competitive edge in MX racing, the KX450F combines reliability with race-winning performance.

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2011

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General information
Category	Cross / motocross
Year	2011
Model	Kawasaki KX 450F
Engine and Transmission Specifications
Transmission type,final drive	Chain
Gearbox	5-speed
Cooling system	Liquid
Ignition	Digital DC-CDI
Fuel control	DOHC
Fuel system	Carburettor. 43mm Keihin throttle body
Valves per cylinder	4
Bore x stroke	96.0 x 62.1 mm (3.8 x 2.4 inches)
Compression	12.5:1
Engine type	Single cylinder, four-stroke
Capacity:	449.00 ccm (27.40 cubic inches)

Brakes, suspension, Frame and wheels
Rear brakes diameter	240 mm (9.4 inches)
Rear brakes	Single disc
Front brakes diameter	250 mm (9.8 inches)
Front brakes	Single disc
Rear tyre dimensions	120/80-19
Front tyre dimensions	90/100-21
Rear suspension	Uni-Trak linkage system and Kayaba shock with 50mm piston, 22-position low-speed and stepless high-speed compression dampening, 33-position rebound dampening and fully adjustable spring preload / 12.4 in.
Front suspension	Uni-Trak linkage system and Kayaba shock with 50mm piston, 22-position low-speed and stepless high-speed compression damping, 33-position rebound dampening and fully adjustable spring preload / 12.4 in.
Rake (fork angle)	26.7°
Frame type	Backbone frame, high-tensile steel

Physical measures and capacities
Fuel capacity	7.19 litres (1.90 gallons)
Wheelbase	1,481 mm (58.3 inches)
Ground clearance	335 mm (13.2 inches)
Overall width	820 mm (32.3 inches)
Overall length	2,184 mm (86.0 inches)
Overall height	1,280 mm (50.4 inches)
Seat height	960 mm (37.8 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc	113.4 kg (249.9 pounds)
Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay
Color options	Lime Green

Performance Profile & Rider Fit

Best For

Track95%

City5%

Cornering90%

Daily Riding10%

Touring5%

Passenger0%

Rider Profile

Best For	This is a full-power motocross machine best suited to experienced off-road or racing riders, not beginners.
Purpose	Built purely for closed-course motocross racing and aggressive off-road riding, not general transportation.
Rider Fit	Demands strong physical fitness and technique, with a tall 950mm seat height, kick start, and no seating comfort for extended riding.
Character	A raw, high-strung, race-bred single-cylinder machine that rewards aggressive, committed riding with explosive acceleration and razor-sharp handling.
Not Ideal For	Not suitable for commuting, touring, passengers, or riders seeking comfort and low-maintenance road use.

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

Rider Fit Visualizer

2011 Kawasaki KX 450F Rider Ergonomics Assessment

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Feet:

At 960mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2011 Kawasaki KX 450F, with a cramped knee angle of around 85 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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