NAMURA NW-20004R PWC Kawasaki Replacement Ring Kit

Namura compression rings are composed of either a highly ductile cast iron or stainless steel alloy; both possess excellent wear resistance and provide a gastight seal. Chrome, phosphate and nitride coatings are also used to meet the demands of the application.

Oil rings consist of 3 separate components. 2 scraper rails constructed from highly ductile cast iron or a stainless steel alloy and also have a chrome, nitride, or phosphate coating. The single expansion ring is manufactured from stainless steel.

The NAMURA NW-20004R PWC Kawasaki Ring Kit is a replacement engine component designed for service and rebuild applications on compatible Kawasaki personal watercraft. Manufactured under the NAMURA brand, this kit provides a practical solution when worn, damaged, or serviceable piston rings need to be replaced during engine maintenance. Using the correct ring kit helps support proper piston-to-cylinder sealing and contributes to reliable engine operation when installed according to the applicable service procedures.
This replacement ring kit is intended for professional technicians, powersports repair shops, and experienced owners performing Kawasaki PWC engine work. Before ordering or installation, verify compatibility using the vehicle application, engine specifications, and the original component information. The NW-20004R part number should be matched with the required Kawasaki application to help ensure the replacement rings are appropriate for the engine being serviced.
For best results, inspect the piston, cylinder, ring grooves, and related engine components before installation. Follow the manufacturer’s repair manual for ring orientation, installation procedure, end-gap inspection, break-in requirements, and any required preparation. Clean, correctly prepared mating surfaces and properly measured components are important to achieving dependable results from any engine rebuild. This NAMURA kit is supplied as an individual replacement unit and is identified by the part number NW-20004R for straightforward reference during parts selection and service planning.

Features:

• Brand: NAMURA

• Part Number: NW-20004R

• Application: Replacement ring kit for compatible Kawasaki personal watercraft engines

• Product Type: PWC engine piston ring kit

• Service Use: Suitable for engine maintenance, repair, and rebuild applications

• Fitment Verification: Confirm compatibility with the specific Kawasaki PWC and engine before installation

• Installation Guidance: Follow the applicable service manual for inspection, ring placement, end-gap measurement, and break-in procedures

• Unit of Measure: Each