Namura Standard Bore Piston Kit Size C 43.46mm for Yamaha YZ65 2018-2024 43.5mm

Namura Standard Bore Piston Kit Size C 43.46mm for Yamaha

This Namura standard bore piston kit in size C (43.46mm) is for Yamaha YZ65 dirt bikes from 2018 to 2024.

Overview

This Namura standard bore piston kit is designed for Yamaha YZ65 models, offering a precise 43.46mm diameter (Size C) for top-end rebuilds. The kit includes piston, rings, and wrist pin for a complete replacement. Use this 43.46mm piston kit for Yamaha YZ65 2018-2024 to restore engine compression and performance.

Built For Performance

• Cast from high-silicon aluminum for durability
• Precision-machined ring grooves for proper seal
• Includes wrist pin and circlips for installation
• Matched to OEM specifications for Yamaha YZ65
• Standard bore size eliminates need for cylinder boring

Fits These Machines

• for Yamaha YZ65 (2018-2024)

On-The-Job Use

• Motocross racing and practice
• Trail riding for youth riders
• Engine refresh after high hours
• Competitive amateur racing

Specs At A Glance

Good To Know

Q: Do I need to hone the cylinder before installing this piston? A: Yes, you should deglaze the cylinder wall with a light hone to ensure proper ring seating.

Q: What is the difference between Size C and other sizes? A: Size C indicates a slight oversize for tighter clearance; verify your cylinder measurement before ordering.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.