What are both valve clearances on craftsman 143.991300 13.5 hp rear engine mower?

For the Craftsman 143.991300 13.5 hp rear engine mower, the valve clearances are typically set to 0.004 inches for both the intake and exhaust valves. It's important to check the manufacturer's specifications in the owner's manual or service guide for the most accurate information, as clearances can vary slightly based on specific engine configurations. Regular maintenance of these clearances ensures optimal engine performance.