1948 is the first year of Harley Davidson’s new engine design that would be dubbed the “panhead” referring to the pan shaped valve covers. Innovations of the new engine design included internal oiling to reduce oil leaks.Hydraulic valve lifters reduced valve train noise and maintained push rod adjustment. Aluminum cylinder heads for more efficient engine cooling.
this speedometer is used from 1948-1952
1948 gas tank emblems
Here are some great sources for detailed information about Harley Davidson’s 1948 Panhead
How to restore your Harley-Davidson by Bruce Palmer 111
the Jocky Journal web forum
|model||engine type||actual displacement||compression||factory options|
|E sport solo||61 c.i. low compression||60.32 c.i.||6.5:1||__|
|EL special sport solo||61 c.i.high compression||60.32 c.i.||7.0:1||__|
|ES sidecar twin||61 c.i. low compression||60.32 c.i.||6.5:1||S = sidecar gearing|
|F sport solo||74c.i. low compression||73.66 c.i.||6.6:1||__|
|FL special sport solo||74 c.i.high compression||73.66 c.i.||7.0:1||__|
|FS sidecar twin||74c.i. low compression||73.66c.i.||6.6:1||S = sidecar gearing|
NOTE: the ” S “ denoting sidecar gearing will not be stamped in serial number.
|brilliant black||_____||bluish gray center. cream white mph numbers. red indicator|