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1980 YAMAHA YZ125 Parts & Accessories

Fits Your Machine

Displaying parts for your 1980 YAMAHA YZ125

Change or remove machine

See stock sizes for this machine

  • Front Tire:3.00X21
  • Rear Tire:4.10X18
  • Front Sprocket:12 Tooth
  • Rear Sprocket:48 Tooth
  • Chain:520X102
  • Spark Plug:B10EG

How To Rebuild the Top End on a Yamaha YZ125 & YZ125X

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