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Technical Overview
2009 Yamaha YZ450F Team Replica Technical Analysis & Specification Breakdown
Built around Yamaha's cross - motocross motorcycle platform, the 2009 Yamaha YZ450F Team Replica relies on a 449 cc (27.4 cu in) liquid-cooled single cylinder, four-stroke powerplant. Internal engine geometry specifies a bore and stroke of 95.0 x 63.4 mm (3.7 x 2.5 inches) with a 12.3:1 compression ratio.
On the scales, the YZ450F Team Replica measures 108.3 kg (239 lbs) wet (curb). Rider ergonomics and chassis geometry center around a 1 mm (0 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 1,496 mm (58.9 in) wheelbase engineered for balanced agility and highway composure. The 7-liter (1.8 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Standover Height
1 mm (0 in)
Engine
Displacement449.0 ccm (27.40 cubic inches)
Engine TypeSingle cylinder, four-stroke
Engine DetailsSingle cylinder, four-stroke
Compression12.3:1
Bore x Stroke95.0 x 63.4 mm (3.7 x 2.5 inches)
Fuel SystemCarburettor. Keihin FCR-MX39/1
Fuel ControlDouble Overhead Cams/Twin Cam (DOHC)
IgnitionCDI
LubricationDry sump
CoolingLiquid
Transmission
Gearbox5-speed
Final DriveChain (final drive)
ClutchWet, multiple-disc
Chassis
Frame TypeSemi-double cradle
Trail114 mm (4.5 inches)
Front SuspensionTelescopic forks
Front Travel300 mm (11.8 inches)
Rear SuspensionSwingarm (link suspension)
Rear Travel314 mm (12.4 inches)
Wheelbase1496 mm (58.9 inches)
Ground Clearance374 mm (14.7 inches)
Wheels & Brakes
Front Tyre80/0-M21
Rear Tyre110/90-M19
Front BrakesSingle disc
Front Brake Ø250 mm (9.8 inches)
Rear BrakesSingle disc
Rear Brake Ø245 mm (9.6 inches)
Dimensions & Weight
Weight incl.108.3 kg (238.8 pounds)
Seat Height1,000 mm (39.4 inches) If adjustable, lowest setting.
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
