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Motocross Bikes

2026Yamaha YZ450F Monster Energy

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The 2026 Yamaha YZ450F Monster Energy is a competitive 450cc motocross machine designed for experienced riders seeking professional-level performance. Featuring a potent liquid-cooled four-stroke engine with titanium valves and advanced fuel injection, it delivers explosive power and precision handling on the track. This bike is renowned for its aggressive character and dominance in high-level amateur and professional motocross racing.

Capacity
450.0 ccm
Engine
Single, four-stroke
Gearbox
5-speed
Wet weight
110.2 kg
Seat height
965 mm
Power
56.0 HP (41.2 kW)
⇄ Compare with another bike + Add to garage All model years

What’s new for the 2026 Yamaha YZ450F Monster Energy

vs the 2025
Spec20252026
Torque 44.7 Nm (4.6 kgf-m or 33.0 ft.lbs) @ 7700 RPM not listed
Other years 2021 2022 2023 2024 2025 2026 2027

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 78Agility 96Comfort 30Off-road 98Touring 10Road manners 15
Off-road & trail98%
Cornering85%
City riding5%
Daily riding10%
Touring5%
Two-up0%
Track90%
Best for
Built purely for motocross racing and serious off-road riding, not for street use or commuting.
Built for
A razor-sharp, high-revving 450cc single with titanium valves and fully adjustable KYB suspension, designed to be thrown around berms and jumps with total precision.
Not ideal for
Not for beginners, commuters, passengers, or anyone wanting comfort, storage, or highway capability.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

Worked out in your browser - nothing is sent to us
At 965mm, a rider of 68.9" with a 31" (estimated) inseam will not reach the ground comfortably on the 2026 Yamaha YZ450F Monster Energy, with a cramped knee angle of around 85 degrees and an upright riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at over 900 mm — Sky High →

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Full specifications

Engine
Capacity
450.0 ccm
Power
56.0 HP (41.2 kW)
Engine type
Single, four-stroke
Power/weight ratio
0.5082 HP/kg (wet)
Bore x stroke
97.0 x 60.8 mm
Compression
13.0:1
Cooling system
Liquid
Fuel system
Injection
Starting
Electric
Ignition
TCI
Valves per cylinder
4
Lubrication system
Wet sump
Transmission
Gearbox
5-speed
Transmission type
Manual
Final drive
Chain
Clutch
Multiplate, wet
Dimensions & weight
Wheelbase
1476 mm
Overall length
2174 mm
Overall width
826 mm
Overall height
1275 mm
Seat height
965 mm
Wet weight
110.2 kg
Fuel capacity
6.10 litres
Ground clearance
351 mm
Oil capacity
1.00 litres
Dry weight
Not on record - add it
Chassis & suspension
Frame
Bilateral beam, aluminum
Front suspension
KYB® spring-type fork with speed sensitive damping; fully adjustable
Rear suspension
KYB® single shock; fully adjustable
Front wheel travel
310 mm
Rear wheel travel
295 mm
Rake (fork angle)
27.5°
Trail
122 mm
Brakes & wheels
Front brakes
Single disc. Hydraulic.
Front brakes diameter
270 mm
Rear brakes
Single disc. Hydraulic.
Rear brakes diameter
220 mm
Front tyre
80/100-21
Rear tyre
120/80-19
Other
Color options
Yamaha Blue/green/white
Comments
Traction control. Three power modes. Power tuner app.

Specs last verified against published sources: .

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

What changed, year to year

Differences highlighted
Specification 20212023202420262027
Capacity 449 cc 449 cc 449 cc 450 cc 450 cc
Dry weight — — — — 99 kg
Seat height 965 mm 965 mm 965 mm 965 mm 965 mm
Fuel capacity 6.1 L 6.1 L 6.1 L 6.1 L 6.1 L

Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.

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Common questions

What is the engine size of the Yamaha YZ450F Monster Energy?

The 2026 Yamaha YZ450F Monster Energy has a Capacity of 450.0 ccm (27.46 cubic inches).

What engine power does the Yamaha YZ450F Monster Energy have?

The 2026 Yamaha YZ450F Monster Energy has a Power of 56.0 HP (41.2 kW).

How many gears does the Yamaha YZ450F Monster Energy have?

The 2026 Yamaha YZ450F Monster Energy has a Gearbox of 5-speed.

How much does the Yamaha YZ450F Monster Energy weigh?

The 2026 Yamaha YZ450F Monster Energy has a Wet weight of 110.2 kg (242.9 pounds).

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