Restore dependable top-end performance with the NAMURA NX-20085K Top End Kit for Kawasaki KX85 models. Designed for standard-bore applications with a 48.45 mm piston and 9.2:1 compression ratio, this kit provides the primary components needed for a complete top-end refresh on 2001 through 2010 Kawasaki KX85 motorcycles equipped with Nikasil-plated cylinders.
The kit includes a piston, piston rings, wrist pin, retaining clips, top-end bearing, and gasket kit. Its hypereutectic casting process increases silicon content to help control expansion, improve wear resistance, and withstand elevated cylinder temperatures. The MOS2, or Teflon/Molybdenum, coated piston skirts use a rolled-on application designed to create a strong bond while reducing friction, improving heat transfer, and helping minimize the risk of cold seizures.
The piston also features a machined smooth head to reflect combustion heat and help reduce carbon buildup, supporting piston protection and consistent operation. An anodized dome increases heat resistance and durability for demanding riding conditions. Manufactured by NAMURA, this top-end kit is engineered as a direct-fit replacement solution for the listed Kawasaki applications. Always verify cylinder condition, bore specifications, and manufacturer service requirements before installation.
Fitment: 2001-2010 Kawasaki KX85
Features:
- Complete Top End Kit: Includes piston, rings, wrist pin, retaining clips, top-end bearing, and gasket kit.
- Standard Bore Fitment: Designed for a 48.45 mm piston application with a 9.2:1 compression ratio.
- MOS2-Coated Skirts: Rolled-on Teflon/Molybdenum coating helps reduce friction, improve heat transfer, and minimize cold-seizure risk.
- Machined Smooth Head: Reflects combustion heat and helps reduce carbon buildup on the piston crown.
- Anodized Dome: Improves heat resistance and durability for demanding engine conditions.
- Hypereutectic Construction: Higher silicon content helps control expansion, increase wear resistance, and withstand higher cylinder temperatures.
- Vehicle Fitment: Fits 2001-2010 Kawasaki KX85 models with Nikasil-plated cylinders.
- Brand and Part Number: NAMURA manufacturer part number NX-20085K.
Fitment:
2001 Kawasaki KX85
2002 Kawasaki KX85
2003 Kawasaki KX85
2004 Kawasaki KX85
2005 Kawasaki KX85
2006 Kawasaki KX85
2007 Kawasaki KX85
2008 Kawasaki KX85
2009 Kawasaki KX85
2010 Kawasaki KX85
2011 Kawasaki KX85
2012 Kawasaki KX85
2013 Kawasaki KX85