Namura .040 Over Bore Piston & Gasket Kit for Honda Sportrax 90 1993-2025 - 48mm

Namura .040 Over Bore Piston & Gasket Kit for Honda

This Namura .040 over bore piston and gasket kit is a 48mm replacement piston assembly designed for Honda Sportrax 90 ATVs from 1993 to 2025, restoring compression and performance after a cylinder rebore.

Overview

The Namura .040 over bore piston and gasket kit provides a complete top-end rebuild solution for Honda Sportrax 90 engines. This 48mm piston kit includes a piston, rings, wrist pin, circlips, and all necessary gaskets for a reliable installation. It is intended for engines that have been bored .040 inches oversize, ensuring a precise fit for 1993-2025 models.

Built For Performance

• Precision-machined 48mm piston from high-silicon aluminum alloy for durability
• Includes complete gasket set for a hassle-free reassembly
• .040 over bore size compensates for cylinder wear and restores compression
• Properly chamfered ring grooves reduce break-in time
• Direct replacement for OEM piston specifications

Fits These Machines

• for Honda Sportrax 90 (1993-2025)

On-The-Job Use

• Rebuilding a worn top end on a Honda Sportrax 90 ATV
• Restoring engine power after cylinder boring
• Replacing a seized or scuffed piston
• Performing a full engine overhaul

Specs At A Glance

Good To Know

Q: Is a cylinder rebore required for this piston? A: Yes, this .040 oversize piston is intended for cylinders that have been bored to 48mm; always verify your cylinder bore before ordering.

Q: Does the gasket kit include a head gasket? A: The included gasket set covers the base gasket, head gasket, and other sealing components needed for installation on the Honda Sportrax 90 engine.

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