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New 2025 Yamaha YZ450F

2025 Yamaha YZ450F
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New 2025 Yamaha YZ450F
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MSRP: $10,299
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SoSo Cycles

790 Bryant Street San Francisco, CA 94107

Call Us: 877-344-5251

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New 2025 Yamaha YZ450F

Vehicle Details
  • Stock #: CA015739
  • VIN: JYACJ34C6SA015739
  • Mileage: 1
  • Engine: 450cc liquid-cooled DOHC 4-stroke; 4 titanium valves
  • Exterior Color: TEAM YAMAHA BLUE
  • Transmission: Manual
  • Location: Concord
  • Fuel Type: Gas
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LIGHTER, SLIMMER, SHARPER, FASTER

Yamaha took the championship winning YZ450F and made it even better—more powerful, lighter, slimmer, with enhanced overall stability and more agility than ever! Because the best don’t rest.

    Highlighted Features
    • NEW FOR 2025: Revised Suspension Components & Settings A revised rear suspension linkage and updated shock settings enhance stability and traction feel in a wide variety of riding situations. To match the rear linkage revision, front suspension settings have also been updated including incorporating delta-shaped piston shims providing calmer front-end behavior and improved rider comfort. Revised Front Engine Mounts To match the new suspension components and settings, the front engine mounts have been revised improving chassis compliance and enhancing handling stability. New Clutch Design An 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 Design A new handlebar switchbox now incorporates an updated raised rib design to help the rider avoid pressing the wrong button while wearing gloves. New Foot Peg Bracket Design The new, lighter aluminum foot peg bracket has a revised shape to enhance rider ergonomics.
    • TOP FEATURES: The Ultimate Open Class YZ The ultimate 450 raises the bar even higher. Building on its best-in-class performance, the 2025 YZ450F boasts exceptional power and sharp handling in a compact, lightweight package that makes fast riders even faster. Powerful 450cc Four-Stroke Engine Featuring a reversed cylinder head layout, forged aluminum piston, 39 mm titanium valves, lightened crank assembly and dry sump lubrication, the 2025 YZ450F's advanced DOHC four-stroke engine is light, compact and world renowned for its incredibly broad pulling power across the entire rev range. Cutting-Edge Yamaha Power Tuner App Like having factory team support in your pocket, Yamaha's groundbreaking Power Tuner App allows owners to adjust air/fuel mixture and ignition timing to tune engine performance for track conditions, record race log information and monitor a range of data such as maintenance and system diagnosis, engine run time and more. Features include an intuitive "Simple Tuning" slide bar for quick engine mapping adjustments, Traction and Launch Control tuning, lap timer, along with helpful engine and suspension tuning guides. Best of all, it's free-of-charge. Adjustable Traction Control & Launch Control The 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. The Launch Control System continues to implement traction control and features an rpm limiting setting, which can be adjusted in 500 rpm increments between 6,000 rpm and 11,000 rpm. Both systems are controlled through the Yamaha Power Tuner App. Advanced Aluminum Bilateral Beam Frame The precisely tuned aluminum bilateral beam frame provides just the right amount of strength and flex for the perfect balance of stability and cornering performance. The result is a better handling machine with lighter feel, more agility and increased traction allowing the rider to enter corners with greater confidence and more line choices. Class-Leading Suspension The YZ450F's high-spec fully adjustable Speed Sensitive System KYB® coil spring-type fork is recognized as the gold standard in the 450 class, providing exceptional feel and bump absorption. Front fork piston now incorporates delta-shaped slow speed shims for improved fluid flow, providing calmer front-end behavior and improved comfort. Matching changes to the front, the KYB® shock features revised settings and an updated rear suspension linkage for enhanced stability and traction feel in a wide variety of riding situations. High Performance Braking System A large 270mm front brake rotor is coupled with a Nissin caliper to provide excellent braking performance. Out back, rear brake feel is improved by reducing the rigidity of the brake hose providing a wider range of control at the pedal. Slim, Compact Body & Exceptional Ergonomics The 2025 YZ450F's slim, flat, compact body eases rider movement for improved control, including seamless, rounded features from the new single-texture seat cover design to the narrow fuel tank and front shroud. The rider triangle is also optimized for increased legroom between the seat and foot pegs, with a carefully considered handlebar position for a more natural posture and enhanced rider comfort.
    • ENGINE: Powerful 450cc Four-Stroke Engine Featuring a reversed cylinder head layout, forged aluminum piston, 39 mm titanium valves, lightened crank assembly and dry sump lubrication, the 2025 YZ450F's advanced DOHC four-stroke engine is light, compact and world renowned for its incredibly broad pulling power across the entire rev range. Industry-Leading Yamaha Power Tuner App The free-of-charge Yamaha Power Tuner App brings the power of the GYTR® Power Tuner to your iOS® or Android® device. Using wireless connectivity to talk to the bike's onboard CAN-bus network, the app allows owners to adjust air/fuel mixture and ignition timing to tune engine performance for track conditions, record race log information and monitor a range of data such as maintenance and system diagnosis, engine run time and more. The app has been designed to be user-friendly with intuitive features including a "Simple Tuning" slide bar for engine mapping, Traction and Launch Control tuning, lap timer, along with helpful engine and suspension tuning guides. Additionally, lightweight handlebar-mounted switchgear allows on-the-fly selection of preloaded engine maps. Adjustable Traction & Launch Control The 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. The Launch Control System continues to implement traction control and features an rpm limiting setting, which can be adjusted in 500 rpm increments between 6,000 rpm and 11,000 rpm. Both systems are controlled through the Yamaha Power Tuner App. Advanced Fuel Injection The engine breathes through a 44mm Mikuni® throttle body fed by a high-pressure electric pump to ensure optimum fuel atomization and power for a wide range of riding conditions. The ultra-compact throttle body also saves weight and improves mass-centralization. Compact, Lightweight Clutch An advanced disc spring clutch design integrates primary gear and basket into a single steel unit. The result is a more compact, lightweight and durable assembly which yields smoother engagement and excellent feel. Revised for 2025, the number of holes feeding oil to the clutch plates increases from 6 to 18, improving cooling efficiency for excellent reliability even under hard, continuous use. Compact Five-Speed Transmission Tri-shaft transmission layout vertically stacks the transmission shafts, raising the center shaft and forming a triangle between the crank, drive shaft and main shaft for a lighter, more compact transmission. Optimized Air Intake Optimized intake path draws air from under the side covers and seat allowing for a lighter, slimmer and more compact shroud area. This design allows the airbox cover to be lower and more narrow and radiator shrouds to be slimmer. Electric Starter System The YZ450F features a compact electric starter system to minimize restart delays on track and add convenience everywhere else. Powered by a high-capacity and ultra-lightweight four-cell lithium-ion battery, the system adds minimal weight.
    • CHASSIS/SUSPENSION: Precision-Tuned Aluminum Bilateral Beam Frame Striking the perfect balance of precise cornering performance and handling stability, the YZ450F's aluminum bilateral beam frame consists of more than 10 different aluminum components welded together. This provides the opportunity to carefully tune rigidity and flex characteristics of each component to ensure competition-level performance. The result is a better handling machine with lighter feel, improved bump absorption and increased traction, allowing the rider to enter corners with greater confidence and more line choices. Class-Leading Suspension The YZ450F's high-spec fully adjustable Speed Sensitive SystemKYB® coil spring-type fork is recognized as the gold standard in the 450 class, providing exceptional feel and bump absorption. Front fork piston now incorporates delta-shaped slow speed shims for improved fluid flow, providing calmer front-end behavior and improved comfort. Matching changes to the front, the KYB® shock features revised settings and an updated rear suspension linkage for enhanced stability and traction feel in a wide variety of riding situations. High Performance Braking System A large 270mm front brake rotor is coupled with a Nissin caliper to provide excellent braking performance. Out back, rear brake feel is improved by reducing the rigidity of the brake hose providing a wider range of control at the pedal. Slim, Compact Body & Exceptional Ergonomics The 2025 YZ450F's slim, flat, compact body eases rider movement for improved control, including seamless, rounded features from the new single-texture seat cover design to the narrow fuel tank and front shroud. The rider triangle is also optimized for increased legroom between the seat and foot pegs, with a carefully considered handlebar position for a more natural posture and enhanced rider comfort. Strong, Lightweight Wheels Careful computer-aided design of each wheel's cross-sectional profile shaves weight without sacrificing durability. The YZ450F's rear wheel comes laced with a three-cross-spoke pattern for improved impact absorption and rider feel. Triple Clamp with Adjustable Handlebar Mounts The top triple clamp design balances rigidity for improved steering feel while the four-position adjustable handlebar clamp is rubber-mounted for comfort, reduced handlebar vibration and easily tunable bar position.
    • ADDITIONAL FEATURES: Race-Winning Details The YZ450F boasts a wide range of top-spec details including 1-1/8-inch aluminum tapered handlebars, compact PVC handlebar pad, lightweight throttle cable, wide foot pegs with lightweight aluminum alloy brackets, a quick-adjust clutch perch, stylish blue rims and a lightweight gold drive chain with YZ450F-specific chain guide.
    ENGINE
    • Engine Type: 450cc liquid-cooled DOHC 4-stroke; 4 titanium valves
    • Bore x Stroke: 97.0mm × 60.8mm
    • Compression Ratio: 13.0:1
    • Fuel Delivery: Mikuni® fuel injection, 44mm
    • Transmission: 5-speed; multiplate wet clutch
    • Final Drive: Chain
    • Fuel Capacity: 1.6 gal
    CHASSIS
    • Suspension/Front: KYB® spring-type fork with speed sensitive damping; fully adjustable, 12.2-in travel
    • Suspension/Rear: KYB® single shock; fully adjustable, 12.4-in travel
    • Brakes/Front: Hydraulic disc, 270mm
    • Brakes/Rear: Hydraulic disc, 240mm
    • Tires/Front: 80/100-21 Dunlop® Geomax MX33F
    • Tires/Rear: 120/80-19 Dunlop® Geomax MX33
    DIMENSIONS
    • LxWxH: 85.8 in x 32.7 in x 50.2 in
    • Seat Height: 38.0 in
    • Wheelbase: 58.3 in
    • Rake (Caster Angle): 26.9°
    • Trail: 4.7 in
    • Max. Ground Clearance: 13.8 in
    • Fuel Capacity: 1.6 gal
    • Wet Weight***: 240 lbs
    OTHER
    • Warranty: 30 Day (Limited Factory Warranty)
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    New 2025 Yamaha YZ450F

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