Namura Standard Bore Piston Rings fits Honda TRX400EX & TRX400X Sportrax 85mm

Standard Bore Piston Rings for for Honda

These standard bore piston rings for for Honda restore proper cylinder seal and compression in 85mm bore engines.

Overview

The standard bore piston rings for for Honda provide an essential seal between the piston and cylinder wall to maximize combustion efficiency. These standard bore piston rings for for Honda are manufactured to maintain consistent pressure and reduce oil consumption. Engine rebuilders trust these standard bore piston rings for for Honda for their precision fit and durability.

Built For Performance

• Hard-chrome plating for reduced friction
• Maintains consistent gap clearance at high heat
• Engineered for high-RPM operation
• Designed to prevent ring flutter

Fits These Machines

• for Honda TRX400EX Sportrax 1999-2008
• for Honda TRX400X Sportrax 2009-2014

On-The-Job Use

• Top-end engine rebuilds
• Correcting low compression issues
• Reducing excessive engine smoke

Specs At A Glance

Good To Know

Q: Do these require gap filing? A: These rings are pre-sized but checking end gap with a feeler gauge during installation is standard practice.

Q: Can I use these with a used piston? A: It is recommended to install new rings on a piston that has been inspected for wear and within tolerance.

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