Wiseco PK1742 4-Stroke Top End Piston Kit 100mm Bore 8.7:1 CR Honda XR650L

The Wiseco PK1742 is a complete 4-stroke top end piston kit designed for Honda XR650C/L motorcycles. Featuring a 100mm (4562M) bore and an 8.7:1 compression ratio, this kit delivers everything needed for a top-end rebuild or overbore job in a single package.

Kit Includes:

• Forged piston (100.00mm bore)
• High-quality piston rings
• Wrist pin
• Circlips
• Top end gasket set

Key Features:

• Engineered, forged, and machined in the USA at Wiseco's facility in Mentor, OH
• Designed specifically for this engine application — not a generic fit
• Forged construction improves tensile strength for superior durability and service life
• Dedicated piston forging allows for an optimized strength-to-weight ratio
• Built to tight tolerances for maximum performance and long-term reliability
• Proven at every level of off-road riding

Wiseco's forged 4-stroke pistons are engineered for each specific powersports engine, delivering the performance and dependability needed for demanding riding conditions. The PK1742 is a direct replacement solution that simplifies the rebuild process with all critical top-end components included.