What is the oil capacity in the primary for 1998 Harley Davidson fatboy?

The oil capacity for the primary chaincase of a 1998 Harley-Davidson Fat Boy is approximately 1 quart (32 ounces) when filled to the proper level. It's important to check the owner's manual or service manual for specific guidelines on filling and maintenance. Additionally, the total oil capacity for the engine is about 3 quarts (with a filter change). Always ensure to use the recommended oil type for optimal performance.