These are the known mechanical and performance specifications for your 2004 Yamaha YZ 450 F.
Basic Specs
Engine
Displacement449.00 ccm (27.40 cubic inches)
Type
DetailsSingle cylinder, two-stroke
Max RPM
Compression12.5:1
Bore/Stroke95.0 x 63.4 mm (3.7 x 2.5 inches)
Valves/Cylinder5
Fueling
Ignition
Exhaust
Lubrication
CoolingLiquid
Chassis
Frame Type
Rake
Trail
Front SuspensionTelescopic fork
Front Travel300 mm (11.8 inches)
Rear SuspensionSwingarm (linked type monocross)
Rear Travel315 mm (12.4 inches)
Seat
Seat Height995 mm (39.2 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height1,303 mm (51.3 inches)
Total Length2,171 mm (85.5 inches)
Total Width827 mm (32.6 inches)
Ground Clearance371 mm (14.6 inches)
Wheelbase1,485 mm (58.5 inches)
Dry Weight97.0 kg (213.8 pounds)
Wet Weight
Wheels & Brakes
Front Tire/Tyre80/100-21
Rear Tire/Tyre110/90-19
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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