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

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: