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Wiseco Yamaha YZ 250 2002-2020 GP Piston Kit with Gaskets

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$275.23 $261.47
(You save $13.76)
STG SKU:
W|2457-PK1704|0

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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

Specifications:

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

Fitment:

YearMakeModel
2002YamahaYZ 250
2003YamahaYZ 250
2004YamahaYZ 250
2005YamahaYZ 250
2006YamahaYZ 250
2007YamahaYZ 250
2008YamahaYZ 250
2009YamahaYZ 250
2010YamahaYZ 250
2011YamahaYZ 250
2012YamahaYZ 250
2013YamahaYZ 250
2014YamahaYZ 250
2015YamahaYZ 250
2016YamahaYZ 250
2017YamahaYZ 250
2018YamahaYZ 250
2019YamahaYZ 250
2020YamahaYZ 250