Knucklehead service manuals Knucklehead service manuals EL FL 1936 -1947 Service manual for Harley Davidson dealer mechanics. view knucklehead 1936-1947 manual PDF Knucklehead parts catalog Knucklehead service manuals Section index Trouble chart page 6-8 Servicing of a new motorcycle 10-11 Engine lubrication 30-60 Engine overhaul 37-91 Electrical system 92-118 Servicing carburetor 119-125 Transmission and Clutch 126-146 Wheels Hubs and tires 147-153 Fork Frame and Handlebars 153-158 Sidecar 162-163 INDEX 164-165