Namura .040 Over Bore Piston Kit fits Suzuki 250 Quadsport Ozark Quadrunner 67mm

Namura .040 Over Bore Piston Kit for Suzuki

This Namura .040 over bore piston kit fits Suzuki 250 Quadsport, Ozark, and Quadrunner models with a 67mm bore, restoring compression and performance.

Overview

This .040 over bore piston kit from Namura is designed for Suzuki 250 Quadsport, Ozark, and Quadrunner ATVs. The piston kit replaces worn pistons and rings, restoring engine compression and power. Using a .040 over bore piston kit allows for a fresh cylinder finish without replacing the entire engine.

Built For Performance

• High-strength aluminum alloy piston for durability
• Precision-machined to .040 oversize for exact fit
• Includes piston rings, wrist pin, and circlips
• Designed for high-RPM reliability
• Balanced weight to reduce vibration

Fits These Machines

• for Suzuki Quadsport 250
• for Suzuki Ozark 250
• for Suzuki Quadrunner 250

On-The-Job Use

• ATV trail riding and recreational use
• Engine rebuilds and top-end overhauls
• Farm and utility ATV maintenance
• Racing and performance upgrades

Specs At A Glance

Good To Know

Q: Do I need to hone the cylinder before installing this piston kit? A: Yes, the cylinder must be honed to the correct crosshatch pattern for proper ring seating with the .040 over bore piston.

Q: Is break-in required after installation? A: Yes, a proper break-in procedure is essential to ensure the rings seat correctly and the piston adapts to the cylinder bore.

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