Wiseco Yamaha PW 50 1981-2020 GP Piston Kit with Gaskets 40.50mm

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: Forged / Aluminum
• Bore Size: 40.50 mm
• Bore - Oversize: +0,50 mm / +0.50 mm
• Displacement: 49 cc
• Stroke Length: 39.20 mm
• Cooling System: Liquid Cooled
• Units: Each
• Riding Style: Off-Road

Fitment: