"Dressel, who was visiting from California, and his 13-year-old granddaughter, Heather Schenk of Union Beach, Monmouth County, recently toured the Harley-Davidson factory in York, Pa. Each year, about 60,000 people get a glimpse into how the motorcycle giant builds its touring models at the sprawling south central Pennsylvania plant. "It's up close," said Amy Warner, who manages the tour center. "You're right on the factory floor.""