Namura .040 Over Bore Piston Kit for Yamaha Grizzly 700 from 2016-2018 104mm

Namura .040 Over Bore Piston Kit for Yamaha Grizzly 700

This aftermarket piston kit from Namura is a .040 oversize bore replacement for Yamaha Grizzly 700 ATVs from 2016 to 2018, featuring a 104mm diameter to restore engine performance.

Overview

The Namura .040 over bore piston kit is designed for Yamaha Grizzly 700 models, providing a direct replacement that brings the cylinder bore to 104mm for rebuilding or performance restoration. This kit includes all necessary components for a proper fit and is intended for riders and mechanics working on these ATVs.

Built For Performance

• Oversized .040 bore for increased displacement
• 104mm piston diameter matched to cylinder
• Precision-machined from high-strength aluminum alloy
• Includes rings and wrist pin for complete assembly
• Engineered for Namura quality standards

Fits These Machines

• for Yamaha Grizzly 700 (2016-2018)

On-The-Job Use

• Trail riding and recreational ATV use
• Utility and work applications on rugged terrain
• Engine rebuilds for extended vehicle life
• Performance restoration after wear or damage

Specs At A Glance

Good To Know

Q: Is this piston kit complete with rings and pin? A: Yes, the kit includes the piston, rings, and wrist pin for a full replacement assembly.

Q: What is the advantage of a .040 over bore? A: It allows you to machine the cylinder to a larger diameter, removing wear and restoring compression while slightly increasing displacement.

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