2023 Yamaha YZ450F Motorcycle

Description

• Type: 450cc liquid-cooled, 4-stroke, DOHC
• Valvetrain: 4 titanium valves
• Bore x Stroke: $97.0$mm x $60.8$mm
• Compression Ratio: 13.0:1
• Fuel System: Mikuni fuel injection with a 44mm throttle body
• Lubrication: Dry sump
• Starting System: Electric
• Transmission: 5-speed, multiplate wet clutch, chain final drive 

• Frame: Aluminum bilateral beam
• Front Suspension: KYB SSS inverted fork with speed-sensitive damping; 12.2 inches of travel
• Rear Suspension: KYB fully-adjustable link-assisted shock; 12.4 or 12.5 inches of travel
• Front Tire: 80/100 x 21 Dunlop Geomax MX33F
• Rear Tire: 120/80 x 19 Dunlop Geomax MX33
• Front Brake: 270mm hydraulic disc with Nissin caliper
• Rear Brake: 240mm hydraulic disc
• Wheelbase: 58.3 inches
• Seat Height: 38.0 inches
• Ground Clearance: 13.8 inches
• Wet Weight: 240 pounds
• Fuel Capacity: 1.6 gallons 

• Rider Aids: Traction control, updated launch control
• Handlebars: Aluminum, with four-way adjustable mounts
• Connectivity: Yamaha Power Tuner App for engine tuning