What is the spark plug gap for a 4 cylinder 1986 Yale forklift?

The spark plug gap for a 4-cylinder 1986 Yale forklift is typically between 0.028 to 0.035 inches (0.7 to 0.9 mm). However, it's always best to consult the owner's manual or manufacturer's specifications for the exact gap for your specific model. Proper gap settings are crucial for optimal engine performance and efficiency.