Namura .040 Over Bore Piston Kit for Kymco 2005-2010 300 MXU, Maxxer 73.7mm

Namura .040 Over Bore Piston Kit for Kymco 300 MXU, Maxxer

This Namura .040 over bore piston kit is designed for Kymco 300 MXU and Maxxer models from 2005-2010, with a 73.7mm bore size for engine rebuilding.

Overview

The Namura .040 over bore piston kit offers an oversized replacement for Kymco 300 ATV engines. This .040 over bore piston kit includes a 73.7mm piston with rings and pin for increased displacement. Mechanics use this .040 over bore piston kit to restore cylinder compression and performance.

Built For Performance

• .040 oversize increases engine displacement
• High-silicon aluminum piston for durability
• Includes precision-ground rings and wrist pin
• Manufactured to tight tolerances for minimal gap
• Suitable for cylinder bore repair to 73.7mm

Fits These Machines

• for Kymco MXU 300 (2005-2010)
• for Kymco Maxxer 300 (2005-2010)

On-The-Job Use

• ATV top end rebuild
• Trail and utility riding
• Engine restoration after cylinder wear
• Performance rebuild for added power
• Farm and ranch vehicle maintenance

Specs At A Glance

Good To Know

Q: Does this kit come with a piston pin? A: Yes, the kit includes the piston, rings, and wrist pin. Circlips are typically pre-installed but verify.

Q: Can I use this on a 2008 Kymco Maxxer 300? A: Yes, it fits 2005-2010 models, but check cylinder condition to determine if .040 over is appropriate.

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