Prox Piston Kit Yamaha YZ250/YZ250F 1999-2024

Manufactured in Japan and designed to be OEM replacement Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances Kit includes piston, ring kit, wrist pin, and circlips

• Brand: PROX
• Vendor Part Number: 01.2321.D
• Bore - Oversize: Standard
• Bore - Oversize Metric: Standard
• Bore Size: 66,40 mm
• Compression Ratio: Standard
• Compression Ratio Imperial: Standard
• Displacement: 250 cc
• Engine Type: 2-Stroke
• Piston Material: Aluminum Alloy
• Piston Size: 66,38 mm
• Piston Size Metric: 66.38 mm
• Product Name: Piston Kit
• Skirt Coating: Moly Coated
• Type: Standard Size D
• Units: Kit