What is the correct spark plug and gap for a Briggs and straton 24 hp riding tractor?

For a Briggs & Stratton 24 HP engine, the correct spark plug is typically the Champion RC12YC or the equivalent. The recommended spark plug gap is usually set at 0.030 inches (0.76 mm). Always consult the owner's manual or manufacturer's specifications for your specific model to confirm the correct part and gap settings.