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2003 YAMAHA YZ450F Parts & Accessories

Fits Your Machine

Displaying parts for your 2003 YAMAHA YZ450F

See stock sizes for this machine

  • Front Tire:80/100X21
  • Rear Tire:110/90X19
  • Front Sprocket:14 Tooth
  • Rear Sprocket:48 Tooth
  • Chain:520X114
  • Spark Plug:CR8E
  • Main jet:165
  • Pilot Jet:42
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