What category is the 2002 Yamaha YZ 426 F?

The 2002 Yamaha YZ 426 F has a Category of Cross / motocross.

What is the engine size of the 2002 Yamaha YZ 426 F?

The 2002 Yamaha YZ 426 F has a Capacity: of 426.00 ccm (25.99 cubic inches).

What type of engine does the 2002 Yamaha YZ 426 F have?

The 2002 Yamaha YZ 426 F has a Engine type of Single cylinder, four-stroke.

Is the 2002 Yamaha YZ 426 F air cooled or liquid cooled?

The 2002 Yamaha YZ 426 F has a Cooling system of Liquid.

How much does the 2002 Yamaha YZ 426 F weigh?

The 2002 Yamaha YZ 426 F has a Dry weight of 105.0 kg (231.5 pounds).

What is the seat height of the 2002 Yamaha YZ 426 F?

The 2002 Yamaha YZ 426 F has a Seat height of 998 mm (39.3 inches) If adjustable, lowest setting..

Yamaha YZ 426 F - 2002 Specifications and Reviews

Name: 2002 Yamaha YZ 426 F
Brand: Yamaha

The 2002 Yamaha YZ426F is a high-performance four-stroke motocross bike designed for experienced riders seeking competitive racing capability. Known for its potent 426cc liquid-cooled engine with five valves per cylinder and responsive handling, it dominated the MX2 class during its era. Its aggressive geometry and plush suspension travel make it ideal for serious off-road competitors.

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2002

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General information
Category	Cross / motocross
Year	2002
Model	Yamaha YZ 426 F
Engine and Transmission Specifications
Cooling system	Liquid
Fuel control	DOHC
Valves per cylinder	5
Bore x stroke	95.0 x 60.1 mm (3.7 x 2.4 inches)
Compression	12.5:1
Engine type	Single cylinder, four-stroke
Capacity:	426.00 ccm (25.99 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	110/90-19
Front tyre dimensions	80/100-21
Rear suspension travel	315 mm (12.4 inches)
Front suspension travel	300 mm (11.8 inches)
Physical measures and capacities
Wheelbase	1,490 mm (58.7 inches)
Ground clearance	375 mm (14.8 inches)
Overall width	827 mm (32.6 inches)
Overall length	2,171 mm (85.5 inches)
Overall height	1,303 mm (51.3 inches)
Seat height	998 mm (39.3 inches) If adjustable, lowest setting.
Dry weight	105.0 kg (231.5 pounds)

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

Performance Profile & Rider Fit

Best For

Track55%

City5%

Cornering80%

Daily Riding5%

Touring8%

Passenger0%

Rider Profile

Best For	This is a full-size open-class motocross machine best suited to experienced off-road riders comfortable with a powerful, aggressive four-stroke single.
Purpose	Built purely for motocross racing and serious off-road riding, not for street use or commuting.
Rider Fit	The tall 998mm seat height, minimal padding, and demanding power delivery require good rider fitness, strength, and confidence standing on the pegs.
Character	A raw, high-revving, torquey competition bike that rewards aggressive riding and precise input with sharp handling and strong acceleration out of corners.
Not Ideal For	Not suitable for beginners, short riders, daily commuting, passengers, or anyone seeking comfort and long-distance touring capability.

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

Rider Fit Visualizer

2002 Yamaha YZ 426 F Rider Ergonomics Assessment

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Feet:

At 998mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2002 Yamaha YZ 426 F, 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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