Namura Standard Bore Piston Kit Size A 96.95mm for Yamaha YZ450FX 2021-2023 97mm

Namura Standard Bore Piston Kit Size A 96.95mm for Yamaha YZ450FX

This Namura standard bore piston kit provides a direct replacement piston sized at 96.95mm (Size A) for Yamaha YZ450FX models from 2021 to 2023, offering reliable performance for engine rebuilding.

Overview

The Namura standard bore piston kit is a high-quality aftermarket replacement designed for the Yamaha YZ450FX. This piston kit restores engine compression and power, making it ideal for riders rebuilding their top end. With a precise 96.95mm bore and Size A specification, this piston kit ensures a perfect fit for standard bore cylinders.

Built For Performance

• Precision-machined from high-strength aluminum alloy
• Includes premium piston rings and wrist pin
• Manufactured to exacting tolerances for consistent performance
• Designed for standard bore applications without overboring
• Helps restore lost compression and engine efficiency

Fits These Machines

• for Yamaha YZ450FX (2021)
• for Yamaha YZ450FX (2022)
• for Yamaha YZ450FX (2023)

On-The-Job Use

• Cross-country racing
• Trail riding
• Engine top-end rebuilds
• High-performance recreational use

Specs At A Glance

Good To Know

Q: Is this piston kit a direct OEM replacement? A: This is an aftermarket replacement for the original Yamaha piston, not an OEM part. It is designed to meet or exceed factory specifications.

Q: Does the kit include all necessary components? A: Yes, the kit comes with the piston, rings, and wrist pin for a complete top-end rebuild.

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