Piston Kit with Gaskets

WISECO

Piston Kit with Gaskets

0903-0929

Regular price $274.95

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DESCRIPTION


Fitments

Years Make Model
2002 - 2020 Yamaha YZ 250
2016 - 2020 Yamaha YZ 250 X

Features

  • Forged from high-silicon aluminum alloy for maximum strength and dependability
  • Contain all necessary components for overboring or rebuilding your top end
  • Feature forged pistons, rings, wrist pins, circlips, and top end gasket
  • Cylinder sleeves must be purchased separately
  • Have additional features over standard Pro-Lite parts
  • Each piston is E-coated on the crown, ring grooves, and pin bore for maximum wear resistance and protection from micro-welding, galling, and detonation
  • Generally have less machining on the outside, which helps seal up the bore for increased compression
  • Additionally, boost ports are removed for a more predictable powerband and increased pull on the top end

  • Specs

  • Cooling System: Liquid Cooled
  • Displacement: 249,3 cc
  • Product Name: Rebuild Kit
  • Stroke Length: 72.00 mm
  • Bore - Oversize: Standard
  • Bore - Oversize: Standard
  • Bore Size: 66.40 mm
  • Piston Material: Aluminum
  • Piston Material: Forged
  • Model: Racer's Choice
  • Riding Style: Off-Road
  • Type: Top End
  • Units: Each

  • Approximate Package Weight & Dimensions

  • Weight: 1.45
  • Height: 5.05
  • Length: 8.62
  • Width: 7.99