Yamaha YZ450FX (2026) Key Specifications Engine Type Liquid-cooled DOHC 4-stroke; 4 titanium valves Engine Capacity 450 cc / 27.4 cubic inches Max Power n/a Max Torque n/a Top Speed n/a Fuel Tank Capacity 8 L / 2.1 US gallons Weight (Wet/Kerb) 114 kg / 251 lbs Seat Height 955 mm / 37.6 inches
*n/a – information not provided by manufacturer
All Specifications Make & Model Model Yamaha YZ450FX Year 2026
Engine Engine Type Liquid-cooled DOHC 4-stroke; 4 titanium valves Displacement 450 cc / 27.4 cubic inches Bore x Stroke 97 x 60.9 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 *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. 4 Levels
Electrical & Electronics System Connectivity Power Tuner App Traction Control System Yes. 4 Levels
Chassis & Suspension Frame Type Advanced aluminum bilateral beam frame Front Suspension KYB® spring-type fork with speed sensitive damping; fully adjustable Front Suspension Travel 300 mm / 11.8 inches Rear Suspension KYB® single shock; fully adjustable Rear Suspension Travel 305 mm / 12 inches Rake 27 ° Trail 122 mm / 4.8 inches
Wheels & Brakes Wheels Premium Excel® wheels Front Tire Size 80/100-21 Dunlop® Geomax MX33F Rear Tire Size 120/90-18 Dunlop® Geomax MX33 Front Brakes Hydraulic disc, 270mm Rear Brakes Hydraulic disc, 240mm
Dimension & Weights Overall Length 2170 mm / 85.4 inches Overall Width 825 mm / 32.5 inches Overall Height 1270 mm / 50 inches Seat Height 955 mm / 37.6 inches Wheelbase 1475 mm / 58 inches Ground Clearance 330.2 mm / 13 inches Fuel Tank Capacity 8 L / 2.1 US gallons Wet (kerb/curb) Weight 114 kg / 251 lbs
Features A new industry-first ECU lock function helps prevent theft and unauthorized engine start-up via a password-required lock. New four-level Traction Control selectable within the Yamaha Power Tuner App maintains ideal rear wheel traction. Compact, lightweight and durable clutch assembly yields smooth engagement and excellent feel. The YZ450FX features a compact electric starter system to minimize restart delays and add convenience. Tri-shaft transmission layout vertically stacks the transmission shafts for a lighter, more compact transmission. A wide-ratio 5-speed transmission is geared for cross country, from tight technical single track to high speed open sections. Lightweight handlebar-mounted switchgear allows the rider to quickly select between preloaded engine maps. A convenient “Simple Tuning” slide bar further simplifies engine mapping within the Power Tuner App. Yamaha’s industry-leading Power Tuner App offers the ability to tune air/fuel mixture and ignition timing to suit rider preference. An advanced fuel injection system uses a 44mm throttle body to ensure optimum fuel atomization and air/fuel calibration. ECU settings are tailored to suit the specific needs of cross country and enduro competition. Engine features include a reversed cylinder head layout, forged aluminum piston, titanium valves and dry sump lubrication. The YZ450FX’s advanced four-stroke engine is light, compact and renowned for its incredibly broad pulling power. Fully adjustable Speed Sensitive KYB® fork delivers exceptional balance between handling and bump absorption. Premium Dunlop® Geomax MX33 tires achieve an ideal balance of traction and durability. The YZ450FX’s 18-inch rear wheel comes laced with a three-cross-spoke pattern for improved impact absorption and rider feel. Premium Excel® wheels are strong, lightweight and reduce unsprung weight without sacrificing durability. Wide foot pegs with lightweight aluminum alloy mounting brackets provide additional control and comfort. Tapered aluminum handlebars are secured to four-position adjustable handlebar mounts. The rider triangle is designed to provide increased legroom between the seat and foot pegs for enhanced rider comfort. The YZ450FX’s slim, flat, compact body eases rider movement for improved control. Large 270mm front and 240mm rear discs combine with Nissin calipers to provide exceptional stopping power and control. A linkage-type rear suspension with KYB® shock features specially-tuned damping characteristics to match the chassis. The fork now includes a hand-adjustable knob for easy compression adjustments. An advanced aluminum bilateral beam frame strikes the perfect balance of precise cornering performance and handling stability. Sleek air cleaner cover provides tool-free access to the air filter for simplified servicing. Premium competition-inspired graphics are embedded to provide excellent durability and scratch resistance. Other enduro-specific features include a 2.1-gallon fuel tank with warning indicator, composite engine guard and sealed drive chain. Additional features include a PVC handlebar pad, seamless seat cover, updated switchgear and a folding aluminum kickstand. Yamaha YZ450FX (2026) Color Options Know someone who’d find this useful? Share this page with a friend, your riding club or your favourite motorcycle community.
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