1956 engine changes include redesigned right crankcase allows oil to be routed to the top end through an oil pump check valve.
cylinder heads now have 9 fins on push rod side.
the FLH gets a bigger cam with higher lift and shorter duration called the victory cam.
The oil tank gets a red v decal on both sides.
Here are some great sources for detailed information about Harley Davidson’s 1956 Panhead
How to restore your Harley-Davidson by Bruce Palmer 111
Riding vintage website
the Jocky Journal web forum
|model||engine type||actual displacement||compression||factory options|
|FL sport solo||74 c.i.high compression||73.66 c.i.||7.25:1||___|
|FLF sport solo footshift||74 c.i.high compression||73.66 c.i.||7.25:1||F=foot shift|
|FLE sport solo traffic combination||74 c.i.high compression||73.66 c.i.||7.25:1||E=traffic comb.|
|FLEF sport solo traffic combination foot shift||74 c.i.high compression||73.66 c.i.||7.25:1||F=foot shift E=traffic comb.|
|FLH super sport solo||74 c.i. high compression||73.73 c.i.||8.0:1||__|
|FLHF super sport solo foot shift||74 c.i. high compression||73.73 c.i.||8.0:1||f=footshift|
NOTE: the ” F “ denoting foot shift will not be stamped in serial number.
|*black||_____||Warner speedo is redesigned with italic "Day-Glo" green numbers and hash marks with gold painted center|
|P police white||_____||_____|
|P police silver||_____||_____|
|*flamboyant metallic green||_____||_____|
|pepper red/white tank panels||_____||_____|
|black/champion yellow tank panel||_____||_____|
|atomic blue/champion yellow tank panels||_____||_____|
|* flamboyant metallic green/white tank panels||_____||_____|
*= extra charge
* =standard color could be ordered without tank panels at no extra charge.
P =police only