Wiseco PK1596 Pro-Lite 77mm Top End Piston Kit for 2006 Kawasaki KX250F

The Wiseco PK1596 is a complete Pro-Lite top end piston kit designed specifically for the 2006 Kawasaki KX250F, featuring a 77mm bore and 13.5:1 compression ratio. Engineered, forged, and machined in the USA at Wiseco's facility in Mentor, OH, this kit delivers everything needed to perform a full top end rebuild in a single purchase.

Wiseco's 4-stroke forged pistons are built to the tightest tolerances for each specific engine application, ensuring an optimal combination of performance and reliability. The Pro-Lite piston features ArmorGlide® skirt coating to minimize cylinder wall friction and promote longer service life. The aerospace-grade aluminum alloy construction provides an industry-leading strength-to-weight ratio, contributing to instant throttle response and maximum torque output.

Kit Includes:

• Wiseco Pro-Lite forged piston (77mm bore, forging code 4904M)
• High-performance piston ring set for extended life and sustained power
• High-quality alloy wrist pin
• Circlips
• Complete top end gasket kit with premium sealing materials exceeding OEM standards
• Top end needle bearing

Key Features:

• Dedicated forging designed and built for the KX250F engine — not a generic fit
• Aerospace alloy construction for superior strength-to-weight ratio
• ArmorGlide® skirt coating reduces friction and extends cylinder life
• CNC-machined to precise tolerances with no size variation
• 13.5:1 compression ratio for competitive performance
• Race-proven design trusted by top motocross and Supercross race teams

Wiseco recommends replacing the piston and rings every 25–30 hours on small-bore motocross engines to maintain peak performance and protect the cylinder plating. Note: Wiseco rings are application-specific and are only compatible with Wiseco pistons — ring types are not interchangeable between product lines.