Namura .020 Over Bore Piston & Gasket Kit for Polaris 325 ATV's 2000-2002 78.5mm

Namura .020 Over Bore Piston & Gasket Kit for Polaris

This Namura .020 over bore piston and gasket kit replaces OEM components for Polaris 325 ATVs from 2000 to 2002, providing a reliable 78.5mm bore size for engine restoration.

Overview

This Namura .020 over bore piston and gasket kit is engineered for Polaris 325 ATVs from 2000 to 2002. It delivers a precise 78.5mm bore size for rebuilding the top end. Mechanics and owners rely on this kit for dependable performance during engine overhauls.

Built For Performance

• Precision-machined 78.5mm piston from high-strength aluminum alloy
• Includes complete gasket set for a full top-end rebuild
• Matched piston rings ensure proper sealing and compression
• Heat-treated wrist pin for durability under load
• Clip retainers secure the wrist pin in place

Fits These Machines

• for Polaris 325 ATV (2000-2002)

On-The-Job Use

• Rebuilding the top end of a worn Polaris 325 engine
• Restoring lost compression and power in ATVs
• Replacing damaged or worn pistons during engine overhaul
• Increasing engine displacement through oversize boring

Specs At A Glance

Good To Know

Q: Does this kit include piston rings? A: Yes, the kit comes with matched piston rings designed for the 78.5mm bore size. They must be installed according to the manufacturer’s orientation guidelines.

Q: Will this fit my 2001 Polaris 325? A: This kit is designed for Polaris 325 ATVs from 2000 through 2002, so a 2001 model is compatible. Always check your engine serial number to confirm exact fit.

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