NAMURA NW-10007R PWC Sea-Doo Piston 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-10007R PWC Sea-Doo Piston Ring Kit is designed for powersports engine repair and piston service applications. This replacement ring kit provides the essential piston ring components needed when rebuilding or servicing a compatible Sea-Doo personal watercraft engine. Manufactured under the NAMURA brand, it offers a practical solution for restoring proper piston function during routine maintenance or a more extensive top-end rebuild.
Use the NAMURA NW-10007R as part of a properly matched engine repair. Piston rings help support compression, manage combustion pressure, and regulate oil along the cylinder wall. Replacing worn or damaged rings can help address common top-end concerns such as reduced compression, excessive oil consumption, poor throttle response, or difficult starting. For dependable results, inspect the piston, cylinder, ring lands, and related components before installation and verify that all parts meet the requirements of the application.
This kit is intended for qualified technicians, powersports repair shops, and experienced owners who need a replacement ring set for a compatible PWC Sea-Doo engine. Always compare the part number, engine specifications, and service information before ordering or installing. Follow the manufacturer’s procedures for ring orientation, cylinder preparation, end-gap measurement, lubrication, and break-in. Proper installation is important for achieving a reliable seal and supporting long-term engine performance.
The NAMURA NW-10007R combines brand-specific identification with a focused replacement purpose, making it easier to source the correct ring kit for an applicable Sea-Doo personal watercraft service. Use the part number when confirming