KYB coil spring-type fork with speed sensitive damping, fully adjustable, tool-less compression clickers for easy damping adjustment, 309.9 mm (12.2") travel
Suspension Rear
KYB single shock, fully adjustable, revised internal valving and damping characteristics, 315 mm (12.4") travel via linkage-type rear suspension
Brakes Front
Hydraulic disc, Nissin caliper, 270 mm rotor
Brakes Rear
Hydraulic disc, reduced brake hose rigidity provides wider range of control at the pedal, 240 mm rotor
Tires Front
Dunlop Geomax MX33F, 80/100-21"
Tires Rear
Dunlop Geomax MX33, 120/80-19"
Overall Length
2179 mm (85.8")
Overall Width
831 mm (32.7")
Overall Height
1275 mm (50.2")
Seat Height
965 mm (38.0")
Wheelbase
1481 mm (58.3")
Ground Clearance
351 mm (13.8")
Rake/Trail
26.9° / 4.7"
Fuel Capacity
6.1 liters (1.6 gallons)
Curb Weight
108.9 kg (240 lbs) with full fuel tank
Features
• Revised rear suspension linkage, lighter spring rate, and updated shock settings enhance stability and traction feel in a wide variety of riding situations
• Revised fork settings including delta-shaped piston shims providing calmer front-end behavior and improved rider comfort
• Revised front engine mounts, improving chassis compliance and enhancing handling stability
• Updated clutch design increases the number of holes feeding oil to the clutch plates from 6 to 18, improving cooling efficiency for excellent reliability even under hard, continuous use
• New handlebar switchbox now incorporates an updated raised rib design to help the rider avoid pressing the wrong button while wearing gloves
• New throttle tube increases the spacing between the throttle grip and throttle housing assembly
• New, lighter aluminum foot peg bracket has a revised shape to enhance rider ergonomics
• New single-texture seat cover design
• Slim, flat, compact body eases rider movement for improved control, including seamless, rounded features from seat edges and side covers to the narrow fuel tank and front shroud; rider triangle is also optimized for increased legroom between the seat and footpegs, with a carefully considered handlebar position for a more natural posture and enhanced rider comfort
• Adjustable Engine Maps: two-mode adjustable engine mapping allows the rider to adjust engine character with the push of a button, making it easy to make immediate adjustments to changing track or weather conditions; maps are loaded and configured within the Yamaha Power Tuner App
• Traction Control system communicates wheel slip to the ECU, tuning the engine to maintain ideal rear wheel traction; three levels can be selected: HIGH, LOW or OFF; controlled through the Yamaha Power Tuner App
• Launch Control system features an RPM limiter which can be adjusted in 500 RPM increments between 6,000 and 14,000 for optimized launches when the gate drops; controlled through the Yamaha Power Tuner App
• Power Tuner App puts the flexibility and precision tunability of the GYTR Power Tuner into your smartphone: adjust air/fuel mixture and ignition timing maps instantly and upload them to the bike for ultimate track-side tuning; intuitive “Simple Tuning” slide bar for engine mapping, Traction and Launch Control tuning, and lap timer, along with helpful engine and suspension tuning guides; record race log information and monitor a range of data such as maintenance and system diagnosis, engine run time and more; wireless connectivity to the bike’s onboard CAN-bus network
• Inspired by Yamaha's factory race team, iconic blue and black Monster Energy livery combines with the YZ450F's sleek, aggressive bodywork for a competition-ready look and feel
Miscellaneous
• Cooling: liquid
• Engine: single cylinder, 4-stroke, DOHC (Dual OverHead Cams), four 39 mm titanium valves, reversed cylinder head layout, forged aluminum piston, lightened crank assembly and dry sump lubrication
• Frame: aluminum bilateral beam
• Handlebar: 1 1/8" aluminum tapered; four-position adjustable handlebar clamp is rubber-mounted for comfort, reduced handlebar vibration and easily tunable bar position; compact PVC handlebar pad
• Rear wheel: three-cross spoke pattern
• 30 day limited factory warranty
Specifications
• Revised fork settings including delta-shaped piston shims providing calmer front-end behavior and improved rider comfort
• Revised front engine mounts, improving chassis compliance and enhancing handling stability
• Updated clutch design increases the number of holes feeding oil to the clutch plates from 6 to 18, improving cooling efficiency for excellent reliability even under hard, continuous use
• New handlebar switchbox now incorporates an updated raised rib design to help the rider avoid pressing the wrong button while wearing gloves
• New throttle tube increases the spacing between the throttle grip and throttle housing assembly
• New, lighter aluminum foot peg bracket has a revised shape to enhance rider ergonomics
• New single-texture seat cover design
• Slim, flat, compact body eases rider movement for improved control, including seamless, rounded features from seat edges and side covers to the narrow fuel tank and front shroud; rider triangle is also optimized for increased legroom between the seat and footpegs, with a carefully considered handlebar position for a more natural posture and enhanced rider comfort
• Adjustable Engine Maps: two-mode adjustable engine mapping allows the rider to adjust engine character with the push of a button, making it easy to make immediate adjustments to changing track or weather conditions; maps are loaded and configured within the Yamaha Power Tuner App
• Traction Control system communicates wheel slip to the ECU, tuning the engine to maintain ideal rear wheel traction; three levels can be selected: HIGH, LOW or OFF; controlled through the Yamaha Power Tuner App
• Launch Control system features an RPM limiter which can be adjusted in 500 RPM increments between 6,000 and 14,000 for optimized launches when the gate drops; controlled through the Yamaha Power Tuner App
• Power Tuner App puts the flexibility and precision tunability of the GYTR Power Tuner into your smartphone: adjust air/fuel mixture and ignition timing maps instantly and upload them to the bike for ultimate track-side tuning; intuitive “Simple Tuning” slide bar for engine mapping, Traction and Launch Control tuning, and lap timer, along with helpful engine and suspension tuning guides; record race log information and monitor a range of data such as maintenance and system diagnosis, engine run time and more; wireless connectivity to the bike’s onboard CAN-bus network
• Inspired by Yamaha's factory race team, iconic blue and black Monster Energy livery combines with the YZ450F's sleek, aggressive bodywork for a competition-ready look and feel
• Engine: single cylinder, 4-stroke, DOHC (Dual OverHead Cams), four 39 mm titanium valves, reversed cylinder head layout, forged aluminum piston, lightened crank assembly and dry sump lubrication
• Frame: aluminum bilateral beam
• Handlebar: 1 1/8" aluminum tapered; four-position adjustable handlebar clamp is rubber-mounted for comfort, reduced handlebar vibration and easily tunable bar position; compact PVC handlebar pad
• Rear wheel: three-cross spoke pattern
• 30 day limited factory warranty
First Look | 2025 Yamaha YZ450F and YZ250F Updated - Full Off-Road Lineup
2025 Yamaha YZ450F | First Impressions (video)
2025 Vital MX 450 Shootout (video)
Yamaha YZ250F VS GYTR YZ250F VS YZ450F | Comparison (video)
Behind the Curtain | 2025 Yamaha YZ450F (video)
Yamaha website