Try to search something different in this manual:
key, clutch, wiring diagram, wiper size, fuel pump, oil capacities, maintenance reset, driver seat adjustment
Or view whole manual here:
View, print and download for free: engine coolant - 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.