Regular price $153.18
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Kits Contents

  • Piston: WO8233DA - WOSSNER PISTON YAM PW80 <06 / BW80 86-88 & 90 46.95MM
  • Top End Gasket Set: GSYT1970023 - WHITES GSKT SET TOP
  • Little End Bearing: WON1037 - WOSSNER NEEDLE BEARING 12X15X16.3

Wossner Piston

Wossner is Germany's finest aftermarket forged piston and rod manufacturer and have over 25 years of experience in the high-performance racing industry. Top European racers and FIM World Champions rely on Wossner for only the best pistons, rods and customer service.


  • In-house designed and manufactured; all forgings are produced in Wossner's company-owned forging operation
  • 4-stroke pistons are made using a double-bridged forging design
  • Lightweight pistons with the tightest piston-wall clearances in the industry give you a quieter running engine
  • All pistons include piston, ring, wrist pin and pin locks
  • Wossner pistons are used by leading Supercross, Arenacross and MX GP teams
  • Made in Germany


  • Piston Size: 46.95mm
  • Oversize: Standard
  • Number of Rings: 1
  • Replacement Rings: RSB4700
  • Replacement Wrist Pin: WP091
  • Replacement Circlip: CW12

Whites Top End Gasket Set

Includes all gaskets and o-rings necessary to complete a piston (top end) rebuild. Competitive pricing, made to meet and exceed OEM quality and designed as a direct OEM replacement the Whites Complete Gasket Set is your one-stop shop for engine rebuilds.

  • Designed for OEM replacement
  • Made from high-quality materials
  • Meet or exceed OEM specifications
  • Competitive pricing