What category is the 2005 Yamaha YZ 250?

The 2005 Yamaha YZ 250 has a Category of Cross / motocross.

What is the engine size of the 2005 Yamaha YZ 250?

The 2005 Yamaha YZ 250 has a Capacity: of 249.00 ccm (15.19 cubic inches).

What type of engine does the 2005 Yamaha YZ 250 have?

The 2005 Yamaha YZ 250 has a Engine type of Single cylinder.

Is the 2005 Yamaha YZ 250 air cooled or liquid cooled?

The 2005 Yamaha YZ 250 has a Cooling system of Liquid.

How many gears does the 2005 Yamaha YZ 250 have?

The 2005 Yamaha YZ 250 has a Gearbox of 5-speed.

What is the seat height of the 2005 Yamaha YZ 250?

The 2005 Yamaha YZ 250 has a Seat height of 991 mm (39.0 inches) If adjustable, lowest setting..

Yamaha YZ 250 - 2005 Specifications and Reviews

Name: 2005 Yamaha YZ 250
Brand: Yamaha

The 2005 Yamaha YZ 250 is a lightweight motocross bike designed for intermediate to advanced riders seeking competitive performance on the track. Powered by a liquid-cooled single-cylinder two-stroke engine, it delivers strong power delivery and agility characteristic of 250cc class racers. Known for its reliable Yamaha engineering and responsive handling, this model remains a popular choice for amateur and semi-pro motocross competition.

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2005

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General information
Category	Cross / motocross
Year	2005
Model	Yamaha YZ 250

Engine and Transmission Specifications
Transmission typefinal drive	Chain
Gearbox	5-speed
Cooling system	Liquid
Valves per cylinder	1
Fuel system	Carburettor
Bore x stroke	66.4 x 72.0 mm (2.6 x 2.8 inches)
Compression	9.1:1
Stroke	2
Engine type	Single cylinder
Capacity:	249.00 ccm (15.19 cubic inches)
Physical measures and capacities
Wheelbase	59 mm (2.3 inches)
Ground clearance	396 mm (15.6 inches)
Overall width	828 mm (32.6 inches)
Overall length	2,182 mm (85.9 inches)
Overall height	1,308 mm (51.5 inches)
Seat height	991 mm (39.0 inches) If adjustable, lowest setting.
Yamaha YZ 250 dimensions and frame
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	80/80-21
Rear suspension travel	315 mm (12.4 inches)
Rear suspension	Kayaba single shock w/adjustable preload, compression and rebound damping separate hi/lo-speed compression adjusters
Front suspension travel	300 mm (11.8 inches)
Front suspension	48mm Kayaba inverted cartridge fork w/adjustable compression and rebound damping
Speed and acceleration
Color options	Team Yamaha Blue/White
Fuel capacity	7.94 litres (2.10 gallons)

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

Performance Profile & Rider Fit

Best For

Track40%

City5%

Cornering60%

Daily Riding5%

Touring5%

Passenger0%

Rider Profile

Best For	This is a pure competition motocross machine best suited to experienced off-road riders comfortable with a peaky two-stroke powerband and no electronic aids.
Purpose	Built exclusively for motocross racing and rough off-road riding, not for street use or commuting.
Rider Fit	The tall seat height, minimal weight, and aggressive suspension travel demand good rider fitness, strong legs, and confidence standing on the pegs.
Character	A raw, lightweight, high-revving two-stroke that rewards aggressive, active riding with explosive acceleration out of corners and razor-sharp handling.
Not Ideal For	Not suitable for new riders, road use, passengers, or anyone wanting comfort, storage, or long-distance touring capability.

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

Rider Fit Visualizer

2005 Yamaha YZ 250 Rider Ergonomics Assessment

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Feet:

At 991mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2005 Yamaha YZ 250, with a moderate knee angle of around 90 degrees and an upright riding position.

Data quality: estimated (wheelbase estimated from this category's typical bike, not this model's own spec). 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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