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PISTON KIT 14- YZF250 77mm HC, FORGED WOSSNER 8894DB

PISTON KIT 14- YZF250 77mm HC, FORGED WOSSNER 8894DB

£181.55 GBP
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This Wossner forged piston kit, part number 8893DB, features a 77.01mm bore with an actual piston size of 76.96mm (+0.01mm oversize). Designed for Yamaha YZF250 models from 2014 to 2015, this high-compression piston is manufactured in Germany and engineered for enhanced durability, efficient heat transfer, and optimal performance. Its elliptical profile ensures uniform expansion and balanced thrust loads during operation.

Features

  • Forged construction for strength and high durability
  • High compression design for improved performance
  • Elliptical shape supports even expansion and load distribution
  • Designed for efficient heat transfer from combustion chamber
  • Made in Germany
  • Direct OEM replacement
  • Easy to install; professional installation recommended if unsure

Specifications

  • Bore Size: 77.01mm
  • Actual Piston Size: 76.96mm
  • Displacement: 249cm³
  • Stroke: 53.60mm
  • Clearance: 0.05mm
  • Dome Volume: -3.00cm³
  • Wossner Compression Ratio: 13.70:1
  • OEM Compression Ratio: 13.50:1
  • Compression Height: 20.20mm

Cross-Reference OEM Part Numbers

  • 1SM-11631-01-00
  • CW16 (Lock)
  • WP087 (Pin)
  • 770XAS-2 (Ring Set)

Vehicle Fitments

  • YZF250 (2014–2015)