Champion 805 Spark Plug

Champion Copper Plus Spark Plug Overview

The Champion Copper Plus Spark Plug part number 805 is engineered for reliable ignition performance in small engine applications. Designed with durable nickel and copper alloy materials, this spark plug supports consistent combustion and efficient engine operation.

• Ground electrode core made of nickel for durability
• Nickel center electrode tip for stable spark delivery
• Pre-gap size of 0.025 inches ensuring optimal spark gap
• Flat seat type with 0.75-inch reach for secure fitment
• Removable nut electrical terminal type for easy installation
• Heat range rating of 2 suitable for moderate engine temperatures
• Single ground electrode constructed from nickel copper alloy
• No resistor type for direct spark conduction
• Hex size of 0.813 inches for standard wrench compatibility

Details on Champion Copper Plus Product Line

The Copper Plus line by Champion focuses on spark plugs that combine copper core technology with durable electrode materials to enhance conductivity and heat dissipation. This product line is tailored for small engines requiring reliable ignition components that maintain performance under typical operating conditions. The Copper Plus 805 spark plug exemplifies this approach with its nickel and copper alloy electrodes and precise gap settings.

Technical Description and Specifications

The Champion Copper Plus 805 spark plug features a nickel ground electrode core and a nickel center electrode tip, both designed to withstand the thermal and electrical demands of small engine ignition systems. The flat seat and 0.75-inch reach ensure proper sealing and fitment in compatible engines. With a pre-gap size of 0.025 inches (0.65 mm), this spark plug is optimized for efficient spark generation. The part uses a removable nut electrical terminal type, facilitating straightforward installation and maintenance. Its heat range of 2 is suitable for engines operating at moderate temperatures, helping to prevent fouling and overheating.

Compatible Applications and Common Issues Addressed

• Replacement for worn or fouled spark plugs in small engines
• Improves ignition reliability in lawn mowers, generators, and other small equipment
• Helps resolve misfires and hard starting problems
• Supports consistent engine performance under varying load conditions
• Reduces carbon buildup due to optimized electrode materials

Installation Notes and Tips

Before installation, verify the spark plug gap is set to 0.025 inches to match engine specifications. Use a 0.813-inch hex wrench for tightening to the manufacturer’s recommended torque. Ensure the flat seat properly contacts the cylinder head to prevent compression leaks. The removable nut terminal allows for easy connection of ignition wires. Avoid over-tightening to prevent thread damage in the cylinder head.

Quality Assurance and Warranty

Champion Copper Plus spark plugs are manufactured to meet industry standards for ignition components. While specific warranty details for part number 805 are not provided, Champion products typically undergo rigorous quality control to ensure durability and performance in small engine applications.