What category is the 2018 Yamaha YZ250FX?

The 2018 Yamaha YZ250FX has a Category of Enduro / offroad.

What type of engine does the 2018 Yamaha YZ250FX have?

The 2018 Yamaha YZ250FX has a Engine type of Single cylinder, four-stroke.

Is the 2018 Yamaha YZ250FX air cooled or liquid cooled?

The 2018 Yamaha YZ250FX has a Cooling system of Liquid.

How many gears does the 2018 Yamaha YZ250FX have?

The 2018 Yamaha YZ250FX has a Gearbox of 6-speed.

How much does the 2018 Yamaha YZ250FX weigh?

The 2018 Yamaha YZ250FX has a Weight incl. oil, gas, etc of 112.9 kg (249.0 pounds).

What is the seat height of the 2018 Yamaha YZ250FX?

The 2018 Yamaha YZ250FX has a Seat height of 965 mm (38.0 inches) If adjustable, lowest setting..

Yamaha YZ250FX - 2018 Specifications and Reviews

Name: 2018 Yamaha YZ250FX
Brand: Yamaha

The 2018 Yamaha YZ250FX is a versatile four-stroke designed for recreational and amateur off-road riders seeking a capable trail and enduro machine. Known for its reliable electric-start engine and compliant suspension with 310mm front and 318mm rear wheel travel, it balances performance with user-friendly handling. The YZ250FX excels in mixed terrain riding where versatility and ease of use matter more than outright racing capability.

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2018

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General information
Category	Enduro / offroad
Year	2018
Model	Yamaha YZ250FX
Engine and Transmission Specifications
Driveline	O-ring chain
Clutch	Multiplate wet clutch
Transmission type,final drive	Chain
Gearbox	6-speed
Cooling system	Liquid
Fuel control	Double Overhead Cams/Twin Cam (DOHC)
Fuel system	Injection. Keihin® 44mm
Valves per cylinder	4
Bore x Stroke	77.0 x 53.6 mm (3.0 x 2.1 inches)
Compression	13.5:1
Engine details	Titanium valves
Engine type	Single cylinder, four-stroke

Brakes, suspension, Frame and wheels
Wheels	Dunlop® AT81F tyres
Rear brakes diameter	245 mm (9.6 inches)
Rear brakes	Single disc. Hydraulic.
Front brakes diameter	270 mm (10.6 inches)
Front brakes	Single disc. Hydraulic.
Rear tyre	110/100-18
Front tyre	90/90-21
Rear wheel travel	318 mm (12.5 inches)
Rear Suspension	KYB® single shock; full adjustable
Front wheel travel	310 mm (12.2 inches)
Front Suspension	KYB® spring-type fork with speed sensitive damping; fully adjustable
Trail	114 mm (4.5 inches)
Rake (fork angle)	26.3°
Frame type	Bilateral beam frame

Physical measures and capacities
Oil capacity	1.50 litres (0.10 quarts)
Fuel capacity	7.57 litres (2.00 gallons)
Wheelbase	1,466 mm (57.7 inches)
Ground clearance	325 mm (12.8 inches)
Overall width	826 mm (32.5 inches)
Overall length	2,164 mm (85.2 inches)
Overall height	1,280 mm (50.4 inches)
Seat height	965 mm (38.0 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc	112.9 kg (249.0 pounds)
Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay
Factory warranty	30 Day Limited Factory Warranty
Starter	Electric
Color options	Team Yamaha Blue

Performance Profile & Rider Fit

Best For

Track55%

City15%

Cornering80%

Daily Riding20%

Touring25%

Passenger5%

Rider Profile

Best For	This bike suits intermediate to expert off-road riders comfortable with a tall, light, high-strung competition-derived cross-country machine.
Purpose	Built for cross-country and off-road racing, favoring flickable handling and strong midrange over outright top speed or road use.
Rider Fit	The tall 37.6 inch seat height and 243 lb wet weight demand decent rider height, fitness, and standing-attack riding technique.
Character	A precise, high-revving 250cc four-stroke race bike with sharp throttle response and razor-sharp handling in tight, technical terrain.
Not Ideal For	Not suited to riders wanting a comfortable street commuter, a passenger-friendly setup, or long-distance paved touring.

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

Rider Fit Visualizer

2018 Yamaha YZ250FX Rider Ergonomics Assessment

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Feet:

At 965mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2018 Yamaha YZ250FX, 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

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MotorcycleDB Review

The 2018 Yamaha YZ250FX is an impressive off-road motorcycle built for performance and durability. With its lightweight frame and powerful engine, this bike is perfect for tackling rugged trails and rough terrain. The YZ250FX also features advanced suspension and handling, making it easy to control and maneuver through challenging environments. Whether you're a seasoned rider or a beginner looking to improve your skills, the YZ250FX is a reliable and capable choice for off-road adventures. One of the standout features of the 2018 Yamaha YZ250FX is its exceptional engine performance. The 250cc liquid-cooled, four-stroke engine delivers strong and consistent power, allowing riders to conquer steep inclines and navigate through tight corners with ease. Additionally, the YZ250FX is designed with a comfortable and ergonomic riding position, making it a great choice for long rides and extended off-road excursions. Overall, the 2018 Yamaha YZ250FX is a high-quality off-road motorcycle that offers impressive performance and reliability for riders of all skill levels.