The Harley-Davidson 1979-1985 XL XR Models 1000cc 4-Speed Service Manual PN 99484-85 is a comprehensive guide specifically designed for owners of Harley-Davidson motorcycles from the years 1979 to 1985. This manual provides detailed instructions and diagrams for servicing and repairing the XL and XR models, ensuring optimal performance and longevity for these classic motorcycles. With a focus on maintenance and troubleshooting, this official Harley-Davidson service manual is a valuable resource for any motorcycle enthusiast looking to keep their bike in top condition.