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 - 2007-1991 HONDA

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 Standard Spark Plug (Part Number 5666), supplied in the iconic yellow packaging, is a reliable OE replacement designed for a wide range of Honda motorcycles and scooters. Engineered with precision, these spark plugs deliver consistent performance with features tailored for durability and efficiency. The high-grade nickel alloy construction ensures dependable ignition performance, making them a trusted choice for both OEM and aftermarket applications. Their design emphasizes longevity and reliable operation across various conditions, providing excellent value for motorcycle and scooter owners seeking quality replacements.
NGK's legendary alumina silicate ceramic insulator enhances dielectric strength and heat transfer, contributing to the spark plug's overall durability. The triple gasket sealing system effectively prevents combustion gases from escaping, ensuring optimal engine performance and reducing the risk of fouling or misfires. The solid copper core promotes superior heat dissipation, helping maintain proper operating temperatures and extending spark plug lifespan. Additionally, trivalent metal plating on the electrode offers excellent corrosion resistance and anti-seize properties, simplifying installation and removal.
This spark plug fits several Honda models including the VFR750F Interceptor from 1990 to 1997 and the CHF50 Metropolitan from 2002 to 2003, making it a versatile choice for enthusiasts and repair professionals alike. Designed with a focus on ease of installation and dependable operation, NGK's standard spark plugs are a proven technology trusted by technicians worldwide. Whether for routine maintenance or rebuilding, these plugs ensure your engine starts reliably and runs smoothly, maintaining peak performance over time.

Features: