These are the known mechanical and performance specifications for your 2020 Yamaha YZ450F.
Basic Specs

Engine
Displacement449.0 ccm (27.40 cubic inches)
TypeTitanium-valves
DetailsSingle cylinder, four-stroke
Max RPM
Compression13.0:1
Bore/Stroke97.0 x 60.9 mm (3.8 x 2.4 inches)
Valves/Cylinder4
FuelingInjection. Mikuni® fuel injection, 44mm
IgnitionTCI: Transistor Controlled Ignition
Exhaust
LubricationWet sump
CoolingLiquid
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity6.06 litres (1.60 US gallons)
Emissions
Chassis
Frame TypeBilateral beam frame
Rake27.3 deg
Trail119 mm (4.7 inches)
Front SuspensionKYB Speed-Sensitive System, inverted fork: fully adjustable
Front Travel310 mm (12.2 inches)
Rear SuspensionKYB® single shock; fully adjustable
Rear Travel318 mm (12.5 inches)
SeatLong, two-tone, motocross-style seat
Seat Height965 mm (38.0 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height1275 mm (50.2 inches)
Total Length2184 mm (86.0 inches)
Total Width826 mm (32.5 inches)
Ground Clearance330 mm (13.0 inches)
Wheelbase1486 mm (58.5 inches)
Dry Weight
Wet Weight111.1 kg (245.0 pounds)
Wheels & Brakes
Front Tire/Tyre80/100-21
Rear Tire/Tyre120/80-19
Front BrakesSingle disc. Hydraulic.
Front Brake Diameter270 mm (10.6 inches)
Rear BrakesSingle disc. Hydraulic.
Rear Brake Diameter240 mm (9.4 inches)
WheelsDunlop® MX33® tyres
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