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2003 Yamaha YZ450F
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MX

Introducing the all-new, all-powerful, all-light YZ450F.
Just how revolutionary is it?

We've forged a totally new machine from the Dunlops up. With features like an all-new, liquid-cooled, 5-titanium valved 449cc single, with a completely redesigned automatic decompression system for easy-starting. An all-new 4-speed transmission and a beefed up clutch with larger, stronger plates.

Lighter weight frame and swingarm. Completely revised suspension, stronger brakes and more aggressive ergos and styling. And its incredible weight loss makes it harder-hitting and sharper handling than ever.

 GENERAL INFORMATION
 Manufacturer  Yamaha
 Model Year  2003
 Model  YZ450F
 Price *$3,999.00
 Color  Blue
 Stock Number:  000064
 ENGINE
 Engine  449cc, liquid-cooled, 5-valve, DOHC, 4-stroke w/titanium valves
 Displacement  449cc
 Bore x Stroke  95 x 63.4mm
 Compression Ratio  12.5:1
 Carburetion  39mm Keihin FCR flat-slide w/throttle position sensor
 Ignition  Digital CDI
 DIMENSIONS
 Length  85.5 in.
 Width  32.6 in.
 Height  51.3 in.
 Weight  221 lbs.
 Ground Clearance  14.6 in.
 Wheelbase  58.5 in.
 Fuel Capacity  1.8 gal.
 Seat Height  39.3 in.
 DRIVETRAIN
 Transmission  4-speed w/multi-plate wet clutch
 Final Drive  #520 chain
 Suspension  Front: 46mm Kayaba inverted telescopic fork w/adjustable compression and rebound damping; 11.8" travel
Rear: Fully adjustable Kayaba single shock, 12.4" travel; separate hi/lo speed compression adjustment
 BRAKES/WHEELS/TIRES
 Brakes  Front: 250mm floating disc
Rear: 245mm disc
 Tires  Front: 80/100-21 Dunlop
Rear: 110/90-19 Dunlop
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*Disclaimer Notice: Price and Accessory information on each and every unit listed on our website may change without notice. We make every effort to make sure our automated download and our data entry and picture information is correct. Max Pitts Yamaha Inc. is not responsible for any errors listed on website.


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