Wiseco PK1515 ProLite Piston Kit 47mm KTM 65SX 65XC 1999-2008

The Wiseco PK1515 is a complete ProLite forged piston kit designed for 1999–2008 KTM 65 SX and 65 XC models. With a 47mm (746M) bore size, this kit provides everything needed for a top-end overhaul or overbore rebuild, ensuring a precise OEM-quality fit with enhanced performance characteristics.

Wiseco's ProLite pistons are CNC-machined from aerospace-grade forged aluminum, offering superior strength and reduced reciprocating weight compared to cast alternatives. This translates to improved throttle response and increased engine longevity — critical for both competitive and recreational two-stroke riding.

Kit Includes:

• Forged ProLite piston — 47mm bore (746M oversize)
• Piston ring set — precision-fit rings for optimal compression seal
• Wrist pin (piston pin) — hardened for durability under high RPM stress
• Circlips (retainer clips) — securing wrist pin in place
• Top-end gasket set — overbore head gasket included for a complete rebuild

Key Features:

• Forged aluminum construction for superior strength-to-weight ratio
• ProLite design reduces reciprocating mass for quicker revving
• Precise machining ensures correct fit and reliable ring seal
• Designed specifically for the 65cc two-stroke engine platform
• Complete kit minimizes the need for sourcing individual components

The Wiseco PK1515 is the trusted choice for mechanics and riders looking to restore or upgrade the top end of their KTM 65 SX or XC to like-new performance with a single, convenient kit.