What category is the 2018 Yamaha YZ450F?

The 2018 Yamaha YZ450F has a Category of Cross / motocross.

What type of engine does the 2018 Yamaha YZ450F have?

The 2018 Yamaha YZ450F has a Engine type of Single cylinder, four-stroke.

Is the 2018 Yamaha YZ450F air cooled or liquid cooled?

The 2018 Yamaha YZ450F has a Cooling system of Liquid.

How many gears does the 2018 Yamaha YZ450F have?

The 2018 Yamaha YZ450F has a Gearbox of 5-speed.

How much does the 2018 Yamaha YZ450F weigh?

The 2018 Yamaha YZ450F has a Weight incl. oil, gas, etc of 111.1 kg (245.0 pounds).

What is the seat height of the 2018 Yamaha YZ450F?

The 2018 Yamaha YZ450F has a Seat height of 975 mm (38.4 inches) If adjustable, lowest setting..

Yamaha YZ450F - 2018 Specifications and Reviews

Name: 2018 Yamaha YZ450F
Brand: Yamaha
Rating: 4 (1 reviews)

The 2018 Yamaha YZ450F is a high-performance four-stroke motocross bike engineered for competitive riders seeking power and precision. Known for its potent engine featuring titanium valves and electric starter, it delivers responsive handling and reliable braking through its 250mm front and 245mm rear disc brakes. This lightweight, agile machine excels in professional and amateur racing environments.

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General information
Category	Cross / motocross
Year	2018
Model	Yamaha YZ450F

Engine and Transmission Specifications
Clutch	Multiplate wet clutch
Transmission type,final drive	Chain
Gearbox	5-speed
Cooling system	Liquid
Lubrication system	Wet sump
Ignition	TCI: Transistor Controlled Ignition
Fuel control	Double Overhead Cams/Twin Cam (DOHC)
Fuel system	Injection. Mikuni® fuel injection, 44mm
Valves per cylinder	4
Bore x Stroke	97.0 x 60.8 mm (3.8 x 2.4 inches)
Compression	12.5:1
Engine details	Titanium-valves
Engine type	Single cylinder, four-stroke
Brakes, suspension, Frame and wheels
Seat	Long, two-tone, motocross-style seat
Wheels	Dunlop® MX3S® tyres
Rear brakes diameter	245 mm (9.6 inches)
Rear brakes	Single disc. Hydraulic.
Front brakes diameter	250 mm (9.8 inches)
Front brakes	Single disc. Hydraulic.
Rear tyre	120/80-19
Front tyre	80/100-21
Rear wheel travel	315 mm (12.4 inches)
Rear Suspension	KYB® single shock; fully adjustable
Front wheel travel	310 mm (12.2 inches)
Front Suspension	KYB Speed-Sensitive System, inverted fork: fully adjustable
Trail	119 mm (4.7 inches)
Rake (fork angle)	27.3°
Frame type	Bilateral beam frame

Physical measures and capacities
Fuel capacity	7.57 litres (2.00 gallons)
Wheelbase	1,481 mm (58.3 inches)
Ground clearance	335 mm (13.2 inches)
Overall width	826 mm (32.5 inches)
Overall length	2,174 mm (85.6 inches)
Overall height	1,290 mm (50.8 inches)
Seat height	975 mm (38.4 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc	111.1 kg (245.0 pounds)
Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay
Starter	Electric
Color options	Blue/white, White

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

2018 Yamaha YZ450F Rider Ergonomics Assessment

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Feet:

At 975mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2018 Yamaha YZ450F, 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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Rider Reviews

Total comments: 1

MotorcycleDB Review

The 2018 Yamaha YZ450F is an exceptional off-road motorcycle that offers a powerful and responsive ride. With advanced features such as electric start, smartphone tuning capabilities, and industry-leading suspension, this bike is a top choice for serious riders. The lightweight design and nimble handling make it easy to maneuver through tough terrain, while the high-performance engine delivers impressive speed and acceleration. Overall, the 2018 Yamaha YZ450F is a standout motorcycle that excels in both performance and reliability. If you're in the market for a top-of-the-line off-road motorcycle, the 2018 Yamaha YZ450F is a must-see. Its cutting-edge technology and superior handling make it a standout choice in its class. With its powerful engine and advanced features, this bike is sure to impress even the most discerning riders. Whether you're a seasoned pro or a weekend warrior, the 2018 Yamaha YZ450F offers an exhilarating ride that is sure to satisfy your adrenaline cravings.