There are no model changes in 1964. some new features include a primary case breather hole. new oil pressure switch.

last year of the dual point manual advance distributor.

1964 magazine ad
1964 magazine ad

 

 Here are some great sources for detailed information about Harley Davidson’s 1964 Panhead

How to restore your Harley-Davidson by Bruce Palmer 111

Riding vintage website

the Jocky Journal web forum

hydra-glide.com The panhead and flathead site

The Harley Davidson Panhead service manual 59-69

1964 models

modelengine typeactual displacementcompressionoptions
FL sport solo74 c.i.high compression73.66 c.i.7.25:1
FLF sport solo footshift74 c.i.high compression73.66 c.i.7.25:1F=foot shift
FLH super sport solo74 c.i.high compression73.66 c.i.8.0:1
FLHF super sport solo foot shift74 c.i.high compression73.66 c.i.8.0:1F=foot shift

NOTE: the ” F denoting foot shift will not be stamped in serial number.

1964 models available colors

paintstripesspeedometer
blackblack face large silver numbers tombstone shaped  brushed aluminum center
fiesta red
*hi-fi red
*hi-fi blue
birch white
police silver

standard paint is two tone with standard color tank top and birch white side panels.

*extra cost hi-fi red, hi-fi blue.

* standard solid color could be ordered at no extra charge.

black

1948 panhead black paint color

fiesta red

hi-fi red

hi-fi blue

birch white

police silver

1948 panhead police silver paint color