This is the lightest, slimmest, sharpest and fastest 450cc motocross bike ever built by Yamaha. Its winning potential in MXGP and SX show just how good this bike is. And whatever level you race, the YZ450F has the engine, chassis and electronics that are ready to bring out your best performance.
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
2025
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
315 mm / 12.4 inches
Rake
26.9 °
Trail
120 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
2180 mm / 85.8 inches
Overall Width
825 mm / 32.5 inches
Overall Height
1275 mm / 50.2 inches
Seat Height
965 mm / 38 inches
Wheelbase
1480 mm / 58.126inches
Ground Clearance
350 mm / 13.7 inches
Fuel Tank Capacity
6.2 L / 1.6 US gallons
Wet (kerb/curb) Weight
109 kg / 240 lbs
Features
Revised Suspension Components & Settings
Revised Front Engine Mounts
New Clutch Design
New Handlebar Switchbox Design
New Foot Peg Bracket Design
The Ultimate Open Class YZ
Powerful 450cc Four-Stroke Engine
Cutting-Edge Yamaha Power Tuner App
Adjustable Traction Control & Launch Control
Advanced Aluminum Bilateral Beam Frame
Class-Leading Suspension
High Performance Braking System
Slim, Compact Body & Exceptional Ergonomics
Industry-Leading Yamaha Power Tuner App
Advanced Fuel Injection
Compact, Lightweight Clutch
Compact Five-Speed Transmission
Optimized Air Intake
Electric Starter System
Precision-Tuned Aluminum Bilateral Beam Frame
Strong, Lightweight Wheels
Triple Clamp with Adjustable Handlebar Mounts
Race-Winning Details
Yamaha YZ450F (2025) 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
