Wiseco PK1765 2-Stroke Pro-Lite Top End Piston Kit 67.50mm KTM 250

The Wiseco PK1765 is a 2-Stroke Pro-Lite Top End Piston Kit featuring a forged 67.50mm bore piston designed for KTM 250 SX, EXC, and MXC models (1996–1999). As part of Wiseco's legendary Pro-Lite line, this kit delivers the performance, reliability, and value that two-stroke riders have trusted for decades.

Kit Includes:

• Forged Pro-Lite 2-stroke piston (67.50mm / 694M bore)
• Piston rings
• Wrist pin
• Circlips
• Top-end gasket set

Pro-Lite Forged Piston Features:

• Engineered, forged, and machined in the USA in Mentor, OH
• Dedicated forging design optimized for strength-to-weight ratio
• Extra lightening operations for enhanced throttle response
• Aerospace-grade aluminum forging process increases material density and aligns grain flow for superior impact and fatigue resistance
• Computer-engineered piston skirt profiles minimize cylinder wall friction
• Designed for all-purpose 2-stroke riding — from the track to the trail

Everything needed to overbore or rebuild your top end is included in one convenient kit. Wiseco is the only aftermarket piston manufacturer in the United States that produces pistons exclusively using the forging process, ensuring consistent quality and performance across every unit.