WOSSNER PISTON YAM YZ250F 14-15 / WR250F 15> 76.96MM PRO

WOSSNER PISTON YAM YZ250F 14-15 / WR250F 15> 76.96MM PRO

Wossner | WO8894DB

  • $$278.23

Estimated Next Shipment:

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: 76.96mm
  • Oversize: +0.01mm
  • Wossner Compression: 14.50:1
  • OEM Compression: 13.50:1
  • Number of Rings: 2
  • Replacement Rings: RIK77.00D
  • Replacement Wrist Pin: WP087
  • Replacement Circlip: CW16

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