Yamaha YZ450F 2027

Now available at Cycle Springs Powersports in Clearwater, FL: the 2027 Yamaha YZ450F—a race-ready 450cc motocross bike built with a liquid-cooled DOHC 4-stroke engine, Yamaha Power Tuner App adjustability, advanced clutch design, compact aluminum bilateral beam frame, and fully adjustable KYB suspension.

Key Highlights

• Engine & Transmission: 450cc liquid-cooled DOHC 4-stroke with 4 titanium valves; Mikuni fuel injection; constant-mesh 5-speed transmission; multiplate wet clutch
• Engine Design: Reversed cylinder head layout, forged aluminum piston, titanium valves, dry sump lubrication, and compact tri-shaft transmission layout
• Clutch: Advanced disc spring clutch design with smooth engagement, consistent mesh point, and compact construction
• Technology: Yamaha Power Tuner App compatibility with adjustable Launch Control, three-level Traction Control, air/fuel and ignition tuning, and ECU anti-theft lock function
• Frame & Chassis: Aluminum bilateral beam frame designed for precise cornering performance and handling stability
• Suspension: Fully adjustable KYB spring-type Speed Sensitive front fork with 12.2' travel; fully adjustable KYB single rear shock with 11.6' travel
• Brakes: 270 mm front hydraulic disc and 220 mm rear hydraulic disc with Nissin calipers
• Wheels & Tires: 80/100-21 Dunlop Geomax MX33F front tire and 120/80-19 Dunlop Geomax MX33 rear tire
• Rider Details: Adjustable four-position rubber-mounted handlebar, slim rider-friendly bodywork, grip-optimized seat material, wide foot pegs, and compact electric starter

Specifications

• Engine: 450cc liquid-cooled DOHC 4-stroke; 4 titanium valves
• Bore & Stroke: 97.0 mm x 60.8 mm
• Compression Ratio: 13.0:1
• Fuel Delivery: Mikuni fuel injection, 44 mm
• Transmission: Constant-mesh 5-speed; multiplate wet clutch
• Overall (L × W × H): 85.6' × 32.5' × 50.2'
• Seat Height: 38.0'   |   Wheelbase: 58.1'
• Ground Clearance: 13.6'
• Fuel Capacity: 1.6 gal   |   Wet Weight: 243 lb
• Front/Rear Tires: 80/100-21 / 120/80-19

Broad 450cc power, advanced Yamaha tuning tools, and race-proven KYB suspension make the YZ450F a serious motocross machine built for riders chasing stronger starts, sharper cornering, and faster laps. Contact Cycle Springs Powersports in Clearwater, FL for pricing and current availability.