NGK Standard spark plugs (in the iconic NGK 'yellow box' packaging) are a proven OE cornerstone and technology customers have relied on for decades. Engineered specifically for OE applications, NGK Standard spark plugs provide OE quality nickel alloy reliable performance and design. NGK's legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance, while triple gasket sealing prevents combustion gas leakage. Solid 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges. Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties. NGK Standard spark plugs are proven technology that offer reliable performance. Actual OE or equivalent replacement spark plug. NGK Standard plugs are treated with corrosion-resistant plating to ensure ease of installation and removal. M/C - 1987-1985 HONDA, O/B - 2002-1995 MARINER, 2002-1995 MERCURY, 2004-1985 YAMAHA

TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
Pure alumina silicate ceramic insulator provides superior strength and better heat transfer
Trivalent metal plating for superior anti-corrosion and anti-seizing properties
Corrugated ribs prevent flashover
Copper core aids in heat removal
Triple seals prevent leakage

The NGK CR6HS Standard Spark Plug is a dependable replacement designed to meet or exceed original equipment specifications for your Honda Z50RD from 1986. Packaged in NGK's iconic yellow box, this spark plug is engineered for durability and consistent performance in a variety of marine and motorcycle applications. It features a high-grade nickel alloy tip that ensures reliable ignition, while the solid copper core provides superior heat dissipation for optimal engine performance. The durable alumina silicate ceramic insulator offers increased strength and better heat transfer, contributing to enhanced ignition efficiency and longevity.
This spark plug is equipped with triple gasket seals to prevent combustion gas leakage, ensuring consistent operation and reducing the risk of fouling. The corrugated ribs further prevent flashover, making it suitable for demanding engine conditions. Trivalent metal plating enhances corrosion resistance and prevents seizing during installation or removal, facilitating maintenance. Its design is optimized for high-performance engines, delivering dependable ignition and power output.
Whether you're restoring a vintage motorcycle or maintaining a marine engine, the NGK CR6HS spark plug provides the quality and reliability expected from a world-leading spark plug manufacturer. Its proven technology ensures smooth engine starts, stable idling, and efficient fuel combustion. Easy to install and built to last, this spark plug is an excellent choice for enthusiasts and professionals seeking a trusted OE replacement that prioritizes performance and durability.

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