Namura NW-40003K Yamaha PWC Top-End Repair Kit

Includes:

• Piston
• Rings
• Wrist pin
• Clips
• Top-end bearing
• Gasket kit

Restore dependable top-end performance with the Namura NW-40003K Yamaha PWC Top-End Repair Kit. This application-focused repair kit is designed for service and rebuilding work on compatible Yamaha personal watercraft engines, helping provide the essential components needed during a top-end overhaul. It is a practical choice for replacing worn or serviceable top-end parts while maintaining a consistent repair process.

The Namura top-end repair kit is intended for powersports technicians, marine service professionals, and experienced watercraft owners who need a reliable solution for engine maintenance. Using a complete repair kit can help simplify parts selection and reduce the need to source individual components separately. The kit format also supports an organized installation when servicing an engine after wear, performance concerns, or routine inspection.

Built for compatible Yamaha PWC applications, the NW-40003K should be matched to the specific watercraft model, engine configuration, and service requirements before installation. Always compare the original equipment application information and follow the manufacturer’s repair procedures for disassembly, inspection, torque specifications, clearances, lubrication, and break-in. Proper preparation and installation are important for achieving reliable sealing, performance, and service life.

Choose the Namura NW-40003K when a Yamaha personal watercraft requires top-end repair support from a recognized powersports component brand. This kit provides an application-specific approach to engine service and is supplied as a kit for convenient maintenance planning. Confirm