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2003 Yamaha YZ450F vs 2003 Yamaha WR450F on 4Strokes.com
4Strokes.com Yamaha Technical: 2003 YZ450F vs 2003 WR450F
Difference Yamaha YZ450F Yamaha WR450F
Rear Wheel Size 19" 18"
Weight (Claimed) 222 lbs 240 lbs
Engine Starting Kick Electric
Suspension Setup Stiffer Softer
Engine Valve Timing More Aggressive Less Aggressive
Fuel Tank Capacity 1.8 gal 2.6 gal
Drive Chain Non O-ring O-ring
Transmission Gear Ratios Close Ratio Wide Ratio
Retail Price (USD) $6299 $6499
Rear Wheel Adjuster Screw Snail
4Strokes.com Technical: Yamaha Related

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