Wossner Piston Yamaha YFM400 Big Bear 00-12

WO8903DA

Regular price $229.91
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size

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.

Features

  • 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

Specifications

  • Piston Size: 83.43mm
  • Oversize: +0.50mm
  • Replacement Rings: 835XSY
  • Replacement Wrist Pin: WP026
  • Replacement Circlip: CW19

NOTE: Wossner Piston Kits include the Piston, Wrist Pin, Circlips & Rings, Needle Bearings are not included.