Click Here to reference Sportster VIN Information in the History section of the Sportsterpedia.

Click on any pic to enlarge:

The 1970-1972 frames were basically the same overall frames.
1970-1971 frames were respective to either XLH or XLCH oil tank brackets etc.
The 1972 frame is universal as it has brackets for both XLH and XLCH.

The frame below is from a 1971 XLH.

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