What category is the 2021 Yamaha YZ450FX?

General information
Price as new	3.7 Check out the detailed rating of off-road capabilities, engine performance, maintenance cost, etc. Compare with any other bike.
Category	Enduro / offroad
Model	Yamaha YZ450FX
Year	2021

Engine and Transmission Specifications
Driveline	O-ring chain
Clutch	Wet multi-disc
Transmission type	Chain (final drive)
Gearbox	5-speed
Cooling system	Liquid
Lubrication system	Wet sump
Ignition	TCI
Fuel control	Double Overhead Cams/Twin Cam (DOHC)
Fuel system	Injection. Keihin 44mm
Valves per Cylinder	4
Bore x Stroke	97.0 x 60.9 mm (3.8 x 2.4 inches)
Compression	12.8:1
Engine details	Titanium valves
Engine type	Single cylinder, four-stroke
Capacity:	449.7 ccm (27.44 cubic inches)
Brakes, suspension, Frame and wheels
Wheels	DunlopÂ® AT81F tyres
Rear brakes	Single disc. Hydraulic
Diameter	270 mm (10.6 inches)
Front brakes	Single disc. Hydraulic
Rear tire	120/80-18
Front tire	80/100-21
Rear wheel travel	318 mm (12.5 inches)
Rear Suspension	KYBÂ® single shock; full adjustable
Front wheel travel	310 mm (12.2 inches)
Front Suspension	KYBÂ® spring-type fork with speed sensitive damping; fully adjustable
Trail	117 mm (4.6 inches)
Rake (fork angle)	27.2°
Frame type	Aluminum Bilateral Beam frame
Physical measures and capacities
Fuel capacity	8.33 litres (2.20 US gallons)
Wheelbase	1481 mm (58.3 inches)
Ground clearance	335 mm (13.2 inches)
Overall width	826 mm (32.5 inches)
Overall length	2174 mm (85.6 inches)
Overall height	1290 mm (50.8 inches)
Seat height	965 mm (38.0 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc	116.1 kg (256.0 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%

Cornering70%

Daily Riding20%

Touring15%

Passenger5%

Rider Profile

Best For	Best suited to intermediate to expert off-road riders who are comfortable with a tall, light, aggressive cross-country race bike.
Purpose	Built for closed-course cross-country and enduro-style off-road riding rather than street use or commuting.
Rider Fit	The tall 37.6 in seat height and minimal weight-carrying comfort favor taller, fit riders confident standing on the pegs for extended periods.
Character	A high-revving, race-derived thumper that rewards an aggressive, momentum-focused riding style with sharp handling and light overall mass.
Not Ideal For	Not a good fit for new riders, passengers, highway commuting, or anyone wanting plush comfort and long-range touring capability.

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

Rider Fit Visualizer

2021 Yamaha YZ450FX 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 2021 Yamaha YZ450FX, 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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