NAMURA NW-40001K1 PWC Yamaha Top-End Repair Kit

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

Restore reliable top-end performance with the NAMURA NW-40001K1 PWC Yamaha Top-End Repair Kit. Designed for compatible Yamaha personal watercraft applications, this repair kit provides a convenient solution for servicing critical upper-engine components during a rebuild or maintenance project.

As a complete top-end service kit, the NAMURA NW-40001K1 helps simplify parts selection and supports proper replacement of worn components. It is suited for powersports technicians, marine mechanics, and experienced Yamaha PWC owners who need dependable repair components from an established aftermarket brand. Always verify application compatibility and engine specifications before installation.

This kit is supplied as a set for top-end repair work and is packaged for convenient ordering and service planning. Follow the applicable Yamaha service manual for inspection procedures, installation steps, torque specifications, clearances, and break-in requirements. Proper preparation and installation help support dependable engine operation and long-term service performance.

Fitment: Compatible Yamaha personal watercraft applications as specified by the manufacturer
Kit Type: Top-end engine repair kit
Brand: NAMURA
Part Number: NW-40001K1
Unit of Measure: Kit

Features:

• Top-end repair kit for compatible Yamaha personal watercraft applications
• Supports upper-engine rebuilding and maintenance procedures
• Convenient kit format simplifies component selection
• Suitable for powersports technicians, marine mechanics, and experienced DIY users
• Installation should follow the applicable Yamaha service manual and manufacturer specifications