These are the known mechanical and performance specifications for your 2008 Yamaha YZ450F.
Basic Specs
Engine
Displacement449.00 ccm (27.40 cubic inches)
Type
DetailsSingle cylinder, four-stroke
Max RPM
Compression12.3:1
Bore/Stroke95.0 x 63.4 mm (3.7 x 2.5 inches)
Valves/Cylinder
Fueling
IgnitionCDI
Exhaust
Lubrication
CoolingLiquid
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity6.81 litres (1.80 gallons)
Emissions
Chassis
Frame Type
Rake26.0°
Trail
Front SuspensionSpeed-Sensitive System inverted fork
Front Travel300 mm (11.8 inches)
Rear SuspensionFully adjustable single shock
Rear Travel312 mm (12.3 inches)
Seat
Seat Height988 mm (38.9 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height1,306 mm (51.4 inches)
Total Length2,195 mm (86.4 inches)
Total Width826 mm (32.5 inches)
Ground Clearance373 mm (14.7 inches)
Wheelbase1,494 mm (58.8 inches)
Dry Weight99.3 kg (219.0 pounds)
Wet Weight
Wheels & Brakes
Front Tire/Tyre80/80-M21
Rear Tire/Tyre120/80-M19
Front BrakesSingle disc
Front Brake Diameter250 mm (9.8 inches)
Rear BrakesSingle disc
Rear Brake Diameter245 mm (9.6 inches)
Wheels
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