The NGK CPR8EB-9 spark plug (Vendor Part Number: 6607) is a dependable OEM-style replacement designed to keep your engine starting easily, idling smoothly and running consistently. With a copper core for efficient heat removal and a high-strength alumina silicate ceramic insulator, it helps maintain stable performance under demanding riding conditions.
Its trivalent metal plating improves resistance to corrosion and seizing, while triple seals help prevent leakage for cleaner, more reliable operation. Corrugated ribs are designed to reduce flashover risk, supporting a strong, consistent spark over time—ideal when you want worry-free ignition and predictable throttle response.
Key features:
✅ Trivalent metal plating for superior anti-corrosion and anti-seizing
✅ Pure alumina silicate ceramic insulator for strength and improved heat transfer
✅ Copper core aids heat removal for consistent performance
Benefits of use:
🔹 More reliable starts and smoother running thanks to stable ignition performance
🔹 Reduced maintenance headaches with corrosion-resistant, anti-seize plating
🔹 Improved durability with strong ceramic construction and leak-preventing triple seals
Technical specifications:
📌 Model: CPR8EB-9
📌 Type: Resistor (5k Ohms)
📌 Heat range: 8
📌 Thread size: 10 mm
📌 Thread reach: 19.1 mm (3/4")
📌 Hex size: 16 mm (5/8")
📌 Spark gap: 0.9 mm (0.035")
📌 Electrode tip material: Nickel Alloy
📌 Ground electrode: Single, standard shape
📌 Terminal: Solid terminal
📌 Center electrode: Standard, projected
Why choose this product?
⭐ NGK quality for dependable, repeatable ignition performance
⭐ Built with proven materials and sealing design for long service life
⭐ A straightforward, spec-matched replacement spark plug for routine maintenance