Namura Standard Bore Size A 53.95mm Piston Kit for Yamaha YZ125 2005-2024 54mm

Standard Bore Size A 53.95mm Piston Kit for Yamaha

This is a 53.95mm standard bore piston kit designed for Yamaha YZ125 motorcycles, offering reliable compression and power restoration for 2005-2024 models.

Overview

This piston kit is a direct replacement for the factory piston in Yamaha YZ125 engines, featuring a standard bore size of 53.95mm to maintain OEM specifications. It is ideal for riders rebuilding their top end to restore lost performance and ensure consistent engine operation.

Built For Performance

• Manufactured from high-strength aluminum alloy for durability
• Precision-machined ring grooves for optimal seal
• Includes rings, wrist pin, and circlips for a complete installation
• Designed to withstand high RPM loads typical of motocross use
• Strict quality control ensures consistent weight and dimensions

Fits These Machines

• for Yamaha YZ125 (2005-2024)

On-The-Job Use

• Motocross racing and practice sessions
• Off-road trail riding and competition
• Engine rebuilds for maintenance or after failure
• Restoring compression and power in high-hour engines

Specs At A Glance

Good To Know

Q: Does this piston kit include new wrist pin bearings? A: The kit includes a wrist pin and circlips, but you should reuse or replace the bearing separately if needed.

Q: Can I use this piston in a 2004 YZ125? A: This kit is specifically listed for 2005-2024 models; earlier models may have different dimensions, so verify compatibility.

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