Whatever level you race, the YZ450F has the firepower to see you win. The new engine delivers the same race-winning power as before, but now with greater ease of use in low to mid-range and greater feeling of power at the top of the range. The new exhaust system meets the latest noise regulations, and the new hydraulic clutch gives better feel for the meshing point and lighter operation.
Key Specifications
Engine Type
4-stroke, Liquid-cooled, DOHC, 4-valves, Single cylinder
Engine Capacity
450 cc / 27.4 cubic inches
Max Power
n/a
Max Torque
n/a
Top Speed
n/a
Fuel Tank Capacity
6.2 L / 1.6 US gallons
Weight (Wet/Kerb)
110 kg / 243 lbs
Seat Height
965 mm / 38 inches
*n/a – information not provided by manufacturer
All Specifications
Make & Model
Model
Yamaha YZ450F
Year
2026
Engine
Engine Type
4-stroke, Liquid-cooled, DOHC, 4-valves, Single cylinder
Displacement
450 cc / 27.4 cubic inches
Bore x Stroke
97 x 60.8 mm
Compression Ratio
13 : 1
Number of Cylinders
1
Max Horsepower
n/a
Max Torque
n/a
Valve Train
DOHC
Valves per Cylinder
4
Ø intake / exhaust valve dia
39 mm titanium valves
Engine Management System
Mikuni® fuel injection, 44mm
Cooling System
Air Cooled
Ignition System
TCI
Performance
Top Speed
n/a
*n/a – information not provided by manufacturer
Transmission
Clutch
Wet multiplate clutch, hydraulic
Gearbox
Constant-mesh 5-speed
Final Drive
Chain
Traction Control System
Yes. 3 Levels
Electrical & Electronics System
Connectivity
Power Tuner App
Traction Control System
Yes. 3 Levels
Launch Control
Yes
Chassis & Suspension
Frame Type
Advanced aluminum bilateral beam frame
Front Suspension
KYB® spring-type fork with speed sensitive damping; fully adjustable
Front Suspension Travel
310 mm / 12.2 inches
Rear Suspension
KYB® single shock; fully adjustable
Rear Suspension Travel
295 mm / 11.6 inches
Rake
27.5 °
Trail
121 mm / 4.7 inches
Wheels & Brakes
Wheels
Wire aluminum wheels
Front Tire Size
80/100-21 Dunlop® Geomax MX33F
Rear Tire Size
120/80-19 Dunlop® Geomax MX33
Front Brakes
Hydraulic disc, 270mm
Rear Brakes
Hydraulic disc, 240mm
Dimension & Weights
Overall Length
2175 mm / 85.6 inches
Overall Width
825 mm / 32.5 inches
Overall Height
1275 mm / 50.2 inches
Seat Height
965 mm / 38 inches
Wheelbase
1475 mm / 58 inches
Ground Clearance
345 mm / 13.5 inches
Fuel Tank Capacity
6.2 L / 1.6 US gallons
Wet (kerb/curb) Weight
110 kg / 243 lbs
Features
To accommodate the YZ450F’s new frame, revised fork settings offer enhanced ride quality.
A new KYB® shock enhances damping feel with less bump reaction, providing the confidence to ride harder for longer.
The new rear shock now includes a hand-operated low-speed compression clicker for simplified trackside adjustments.
A redesigned intake port produces a stronger tumble effect for more efficient combustion and improved torque characteristics.
Updated intake and exhaust design reduces noise in compliance with FIM/AMA regulations and increase rider comfort.
A new hydraulic clutch now comes standard providing a high quality feel, smoother feathering and a consistent mesh point.
A new clutch inner hub design also enables lubrication over a larger area for more stable performance.
Updated styling includes a slimmer, more compact front number plate, new two-piece side covers and sharper rear fender.
A new honeycomb-pattern seat material eases the rider’s ability to slide forward while holding the rider from sliding rearward.
An industry-first ECU lock function helps prevent theft and unauthorized engine start-up via a password-required lock.
A new frame design focuses on the balance of rigidity and flex characteristics for calmer front-end feel and improved cornering performance.
Yamaha’s industry-leading Power Tuner App offers the ability to tune air/fuel mixture and ignition timing to suit rider preference.
Tri-shaft transmission layout vertically stacks the transmission shafts for a lighter, more compact transmission.
The YZ450F’s advanced disc spring clutch design is compact, durable with smooth engagement and excellent feel.
An adjustable Launch Control System controlled through the Power Tuner App optimizes launches when the gate drops.
A three-level Traction Control System selectable within the Yamaha Power Tuner App maintains ideal rear wheel traction.
Optimized intake path draws air from under the side covers and seat allowing for a slimmer and more compact shroud area.
A 44mm Mikuni® throttle body is fed by a high-pressure electric pump to ensure optimum fuel atomization.
Engine features include a reversed cylinder head layout, forged aluminum piston, titanium valves and dry sump lubrication.
The YZ450F’s advanced DOHC four-stroke engine is light, compact and world renowned for its incredibly broad pulling power.
An advanced aluminum bilateral beam frame strikes the perfect balance of precise cornering performance and handling stability.
The YZ450F’s class-leading fully adjustable Speed Sensitive front fork provides exceptional feel and bump absorption.
A new KYB® shock improves damping feel and reduces bump reaction for enhanced control.
A large 270mm front and 240mm rear disc combine with Nissin calipers to provide exceptional stopping power and control.
The YZ450F’s slim, flat, compact body and seamless, rounded features ease rider movement for improved control.
The rider triangle is optimized for increased legroom, including a carefully considered handlebar position for enhanced comfort.
An adjustable four-position handlebar is rubber-mounted for reduced vibration.
Strong, lightweight wheels reduce unsprung weight without sacrificing durability.
The YZ450F features a compact electric starter system to minimize restart delays and add convenience.
Premium competition-inspired graphics are embedded to provide excellent durability and scratch resistance.
Additional top-spec details include wide foot pegs, quick-adjust clutch perch and gold drive chain with YZ450F-specific chain guide.
Yamaha YZ450F (2026) Color Options
Icon Blue (Europe)
Team Yamaha Blue (US)
*We strive to provide the most comprehensive and accurate specifications possible. However, certain details may not be available if the manufacturer did not disclose them or if the information is no longer publicly accessible. If you find any discrepancy with any data on this site, please feel free to let us know at contact@throttlecraze.com