A 56K frame would have a different top motor mount and a 66 would have a different seat casting.
The 1st Sportster was photographed in April 1956, with Sportster frame... and soon after that, they started rolling off the assembly line ; O )
Patrick
A 56K frame would have a different top motor mount and a 66 would have a different seat casting.
thefrenchowl wrote:A 56K frame would have a different top motor mount and a 66 would have a different seat casting.
The 1st Sportster was photographed in April 1956, with Sportster frame... and soon after that, they started rolling off the assembly line ; O )
Patrick
JerrryR wrote: Having said all this let me summarize by saying the only difference I am aware of in the XL and XLH frames between 57 and mid 64 when the seat casting changed is the small speedo bracket hole on the right side of the neck casting.
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