2009 Yamaha YZ450F Preview

SPECIFICATIONS

Engine and Transmission

2009 Yamaha YZ450F Engine

Displacement: 449cc

Type: liquid-cooled DOHC 4-stroke; 5 titanium valves
 
Bore x Stroke: 95.0 x 63.4mm
 
Compression Ratio: 12.3:1
 
Carburetion: Keihin FCR MX39
 
Ignition: CDI
 
Transmission: Constant-mesh 5-speed; multiplate wet clutch
 
Final Drive: Chain Drive 
 

Chassis and Dimensions

2009 Yamaha YZ450F

Suspension/Front: Speed-Sensitive System inverted fork; fully adjustable, 11.8-in travel
 
Suspension/Rear: Fully adjustable single shock; 12.3-in travel
 
Brakes/Front: Hydraulic single disc brake, 245mm
 
Brakes/Rear: Hydraulic single disc brake, 245mm
 
Tires/Front: 80/100-21-Dunlop 742FA
 
Tires/Rear: 120/80-19-Dunlop 756
 
Length: 86.4 in
 
Width: 32.5 in
 
Height: 51.4 in
 
Seat Height: 38.9 in
 
Wheelbase: 58.8 in
 
Ground Clearance: 14.7 in
 
Fuel Capacity: 1.8 gal
 
Wet Weight: 238 lb

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