Namura Standard Bore Piston Kit Size C 66.36mm for Honda CR250R 2005-2007 66.4mm

Standard Bore Piston Kit Size C 66.36mm for Honda

This standard bore piston kit size C 66.36mm is a direct replacement for the Honda CR250R from 2005 to 2007, matching the OEM 66.4mm bore specification for reliable engine performance.

Overview

This standard bore piston kit size C 66.36mm is designed to restore engine performance in Honda CR250R motorcycles from 2005 to 2007. It serves as a reliable replacement for the original piston, matching the factory 66.4mm bore dimension. This standard bore piston kit offers a direct fit without requiring reboring, making it an essential component for top-end rebuilds.

Built For Performance

• Precision-machined from high-strength aluminum alloy for durability
• Includes rings, pin, and circlips for a complete top-end kit
• Size C classification ensures accurate fit within tolerance specifications
• Designed for standard bore engines, eliminating the need for cylinder boring
• Heat-treated to withstand high combustion temperatures

Fits These Machines

• for Honda CR250R (2005-2007)

On-The-Job Use

• Ideal for motocross and off-road racing applications
• Suitable for trail riding and enduro riding
• Commonly used in engine rebuilds for restoring compression
• Works well in high-RPM two-stroke engines

Specs At A Glance

Good To Know

Q: Is this piston kit compatible with my 2006 Honda CR250R? A: Yes, this standard bore piston kit size C is designed for Honda CR250R models from 2005 to 2007, including the 2006 model year. Confirm your cylinder bore diameter before ordering.

Q: Do I need to replace the cylinder when using this piston? A: No, as a standard bore piston kit, it fits a properly maintained cylinder that still meets the factory 66.4mm bore specification. If your cylinder is worn or damaged, reboring may be required.

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