Harley Davidson service manuals for download, free! Free Harley Davidson Motorcycle Service Manuals for download. Lots of people charge for motorcycle service and workshop manuals online which is a bit cheeky I reckon as they are freely available all over the internet. £5 each online or download your Harley Davidson manual here for free!!Factory HD · Wheel Fitments 2018 Harley-Davidson Softail Models Service Repair Manual This product includes 3 manuals: 2018 Harley-Davidson Softail Models Service Manual (1298 pages) 2018 Harley-Davidson Softail Models Electrcial Diagnostic Manual (735 pages) 2018 Wiring Diagrams-Softail Models. This Factory Service Repair Manual offers all the service and repair information about 2018 Harley-Davidson Softail.