Yamaha WR450F - 2021 Specifications and Reviews

The 2021 Yamaha WR450F is a versatile enduro bike suited for off-road enthusiasts seeking a capable, lightweight machine for trail riding and adventure. Powered by a fuel-injected 450cc single-cylinder four-stroke engine, it delivers strong mid-range torque and reliability. Known for its nimble handling, excellent suspension geometry, and practical 5-speed transmission, the WR450F excels in technical terrain and demanding off-road conditions.

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General information

CategoryEnduro / offroad
Year2021
ModelYamaha WR450F

Engine and Transmission Specifications

DrivelineO-ring chain
ClutchMultiplate wet clutch
Transmission typeChain   (final drive)
Gearbox5-speed
Cooling systemLiquid
Lubrication systemDry sump
IgnitionTCI
Fuel controlDouble Overhead Cams/Twin Cam (DOHC)
Fuel systemInjection. Mikuni® fuel injection, 44mm
Valves per Cylinder4
Bore x Stroke97.0 x 60.8 mm (3.8 x 2.4 inches)
Compression13.0:1
Engine typeSingle cylinder, four-stroke
Capacity:450.0 ccm (27.46 cubic inches)
 
 

Brakes, suspension, Frame and wheels

WheelsWire spoked. Blue rims. Dunlop MX3S tyres.
Rear brakesSingle disc. Hydraulic.
Diameter270 mm (10.6 inches)
Front brakesSingle disc. Hydraulic.
Rear tire120/90-18
Front tire80/100-21
Rear wheel travel318 mm (12.5 inches)
Rear SuspensionKYB® single shock; fully adjustable
Front wheel travel310 mm (12.2 inches)
Front SuspensionKYB® Speed-Sensitive System inverted fork; fully adjustable
Trail117 mm (4.6 inches)
Rake (fork angle)27.0°
Frame typeAluminium beam frame with optimised rigidity
 
 

Physical measures and capacities

Oil capacity0.80 litres (0.85 US quarts)
Fuel capacity8.33 litres (2.20 US gallons)
Wheelbase1481 mm (58.3 inches)
Ground clearance320 mm (12.6 inches)
Overall width826 mm (32.5 inches)
Overall length2174 mm (85.6 inches)
Overall height1270 mm (50.0 inches)
Seat height955 mm (37.6 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc118.8 kg (262.0 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Factory warranty30 Day Limited Factory Warranty
StarterElectric
Color optionsTeam Yamaha Blue

Performance Profile & Rider Fit

Best For

Track40%
City20%
Cornering65%
Daily Riding20%
Touring20%
Passenger5%

Rider Profile

Best ForThis bike rewards riders with at least intermediate off-road skill, as its tall seat height, light chassis, and aggressive enduro geometry can feel demanding for beginners.
PurposeBuilt as a pure off-road enduro/trail weapon, it excels at tackling trails, motocross-style tracks, and technical terrain rather than serving as a road or commuter machine.
Rider FitThe tall 37.6 inch seat height and lightweight 258 lb wet weight suit taller or more athletic riders who can comfortably flat-foot or handle standing maneuvers over rough ground.
CharacterIt has the character of a nimble, high-revving dirt specialist that thrives on quick direction changes, aggressive throttle response, and technical single-track riding.
Not Ideal ForThis is not the right bike for riders wanting a comfortable long-distance tourer, a passenger-friendly ride, or a low-maintenance daily street commuter.

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

Rider Fit Visualizer

2021 Yamaha WR450F Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 955mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2021 Yamaha WR450F, 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
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MotorcycleDB Review

The 2021 Yamaha WR450F is a high performance off-road motorcycle that offers excellent handling and power. With its powerful 450cc engine and advanced suspension, this bike is designed to tackle challenging terrain with ease. The lightweight design and nimble handling make it a top choice for riders looking for a competitive edge in off-road racing. The bike also comes equipped with advanced technology such as Yamaha's Power Tuner app, allowing riders to customize their bike's performance to their preferences. Overall, the 2021 Yamaha WR450F is a top-of-the-line off-road motorcycle that delivers on both power and handling. Its advanced features make it a standout choice for riders looking to conquer tough terrain and push their limits. Whether you're a seasoned racer or a recreational rider, the WR450F offers a thrilling and responsive ride that will not disappoint. With its combination of power, agility, and advanced technology, this bike is a top contender in the off-road motorcycle market.
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