What is the spark plug for 6.5 hp Briggs and stratton engine?

The spark plug for a 6.5 hp Briggs and Stratton engine is typically a Champion RJ19LM or an equivalent plug. It's important to check the engine's manual or specifications for the exact part number, as different models may have variations. Ensure proper gap settings, usually around 0.030 inches, for optimal performance. Always replace the spark plug with the recommended type for best results.