Namura NX-10000-6K Top End Kit 55.44 mm, 11:1 Compression for Honda CR125R

Upgrade the top-end performance of your two-stroke engine with the Namura NX-10000-6K Top End Kit. This 55.44 mm, 11:1 compression kit is designed for select Honda CR125R models and includes the essential components needed for a reliable piston replacement. The kit includes a piston, piston rings, wrist pin, retaining clips, top-end bearing, and gasket kit.

Namura uses a hypereutectic casting process to increase silicon content, helping reduce thermal expansion and improve wear resistance under demanding cylinder temperatures. The piston features MOS2, or Teflon/molybdenum, coated skirts applied through a rolled-on process for a stronger bond than conventional spray-on coatings. This coating helps improve heat transfer, reduce friction, and minimize the risk of cold seizures during operation.

The piston also features machined smooth heads that reflect combustion heat and help reduce carbon buildup, supporting piston protection and consistent performance. Anodized domes provide increased heat resistance and durability, with greater strength than non-anodized piston domes. The Namura NX-10000-6K Top End Kit fits 1992 through 1999 Honda CR125R models, including the 1992, 1993, 1994, 1995, 1996, 1997, 1998, and 1999 model years. Verify engine specifications and installation requirements before purchase.

Features:

• Kit Contents: Includes piston, piston rings, wrist pin, retaining clips, top-end bearing, and gasket kit.
• Size and Compression: Features a 55.44 mm piston size and 11:1 compression ratio.
• MOS2-Coated Skirts: Rolled-on Teflon and molybdenum coating helps increase heat transfer, reduce friction, and minimize cold-seizure risk.
• Machined Smooth Head: Reflects combustion heat and helps reduce carbon buildup for improved piston protection.
• Anodized Dome: Increases heat resistance and durability while providing greater strength than a non-anodized dome.
• Hypereutectic Casting: Higher silicon content helps reduce expansion, improve wear resistance, and withstand elevated cylinder temperatures.
• Fitment: Designed to fit 1992-1999 Honda CR125R models.
• Brand and Part Number: Namura NX-10000-6K.