Try to search something different in this manual:
light, wiper blades, instrument cluster, wheelbase, USB, wiring, wiper fluid, coolant temperature
Or view whole manual here:
View, print and download for free: checking oil - HARLEY-DAVIDSON KNUCKLEHEAD 1940 Service Manual, 166 Pages, PDF Size: 15.55 MB. Search in HARLEY-DAVIDSON KNUCKLEHEAD 1940 Service Manual online. CarManualsOnline.info is the largest online database of car user manuals. HARLEY-DAVIDSON KNUCKLEHEAD 1940 Service Manual PDF Download.
All product names, logos, and brands are property of their respective owners.