Namura .040 Over Bore Piston Kit for Honda FourTrax Rubicon 700 2024-2026 103mm

Namura .040 Over Bore Piston Kit for Honda FourTrax Rubicon 700

The Namura .040 Over Bore Piston Kit is a direct replacement piston assembly for Honda FourTrax Rubicon 700 ATVs from 2024-2026, featuring a 103mm bore size to restore engine performance after cylinder wear.

Overview

The Namura .040 Over Bore Piston Kit is designed to refresh the top end of your Honda FourTrax Rubicon 700 engine. This over bore piston kit enlarges the cylinder bore by .040 inches to 103mm, providing a new surface for the rings and restoring compression. It is an ideal repair solution for high-mileage or worn-out engines needing a rebuild.

Built For Performance

• Oversized piston with .040 in (1.016mm) over bore for cylinder cleanup
• 103mm bore diameter precision-machined from high-strength aluminum alloy
• Includes piston rings, wrist pin, and circlips for complete top-end overhaul
• Manufactured to OEM specifications for proper fit and reliable sealing
• Bypasses worn cylinder walls to reduce oil consumption and improve compression

Fits These Machines

• for Honda FourTrax Rubicon 700 (2024-2026)

On-The-Job Use

• Trail riding and recreational ATV use
• Engine top-end rebuilds on high-mileage FourTrax Rubicon 700s
• Restoring lost power and compression in worn engines
• Off-road utility and farm tasks where reliable power is critical

Specs At A Glance

Good To Know

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

Q: Is this piston kit compatible with 2023 Honda FourTrax Rubicon 700? A: No, this kit is specifically designed for 2024-2026 models; earlier years may have different bore dimensions or piston pin sizes.

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