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Yamaha YZ465 1980-81 Piston Kit 85.5mm 0.5mm Over PSY06-0.5

Yamaha YZ465 1980-81 Piston Kit 85.5mm 0.5mm Over PSY06-0.5

Regular price $179.95 USD
Regular price Sale price $179.95 USD
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Pistons are the heart of your vintage 2-Stroke and VintCo high quality pistons will help you keep the ride going!  These Pistons are made with modern materials and manufacturing techniques to ensure an as good or better than OEM fitment and performance. This Yamaha YZ465 1980-81 Piston Kit 85.5mm (+.5mm over) includes the piston, rings, pin and clips to help you get back on track with ease.  A wrist pin bearing is available separately and more size options are also available.  The OEM part numbers are provided to ensure an exact fitment as well. A high quality VintCo piston kit is a great investment in your vintage motorcycle.  

  • Piston kit includes rings, pin and clips
  • Wrist pin bearing sold separately
  • Forged Piston
  • Made in Germany
  • Mos2 coated for break in
  • 0.5mm Oversize
  • 85.42mm Clearance 0.08mm
  • OE# / 4V4-11636-00-00 3R5-11636-00-00


  • 1980 Yamaha YZ465
  • 1981 Yamaha YZ465
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