Namura Standard Bore Piston Kit for Honda Foreman 500 2x4 & 4x4 2005-2011 92mm

Namura Standard Bore Piston Kit for Honda Foreman 500 2x4 & 4x4 2005-2011 92mm

This Namura standard bore piston kit is a direct replacement for for Honda Foreman 500 2x4 and 4x4 models from 2005 to 2011, featuring a 92mm diameter piston that restores compression and engine performance for these utility ATVs.

Overview

This Namura standard bore piston kit is a direct-fit replacement for for Honda Foreman 500 2x4 and 4x4 ATVs built between 2005 and 2011, using a 92mm piston diameter to restore lost compression and engine power. The kit includes a precision-machined piston, rings, wrist pin, and circlips for a complete top-end overhaul. Designed as an aftermarket alternative, this piston kit delivers reliable performance for work or trail use.

Built For Performance

• Standard bore 92mm piston matches factory specifications for for Honda Foreman 500 engines
• Includes piston rings, wrist pin, and circlips for a complete rebuild kit
• High-silicon aluminum alloy construction reduces expansion and improves durability under heat
• Precision-machined skirt profile minimizes friction and promotes even wear
• Each kit is balanced and inspected to meet OEM tolerances
• Designed for easy installation with no modifications required

Fits These Machines

• for Honda Foreman 500 2x4 (2005-2011)
• for Honda Foreman 500 4x4 (2005-2011)

On-The-Job Use

• Rebuilding worn top ends on utility ATVs used for farm, ranch, or property maintenance
• Restoring engine compression after high-mileage trail riding or heavy hauling
• Replacing a damaged piston due to detonation or overheating during hard use
• Performing preventive maintenance during a full engine overhaul

Specs At A Glance

Good To Know

Q: Will this piston kit work if my cylinder has been overbored? A: This is a standard bore 92mm piston, so it only fits cylinders at original factory bore size; if your cylinder has been overbored, you will need a corresponding oversized piston.

Q: Do I need to replace the cylinder or just the piston kit? A: This kit replaces only the piston assembly; inspect the cylinder bore for scoring or excessive wear and recondition or replace if necessary before installation.

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