1986-2003 top center mounts will all interchange (if only speaking of mounting to the heads and frame).
However, considerations will have to be made for the ignition switch, fuel tank petcock and possible horn locations depending on the year model of your motorcycle.
More specific information is listed below.
1986-1991 Sportster Top Center Mounts:
1992-1993 Sportster Top Center Mount:
1994 Sportster Top Center Mount:
1995-1996 Sportster Top Center Mount:
Can be used on 97 models without alterations.
Can be used on 98-03 models by installing the enrichment cable support bracket (69035-95).
(relocate the horn and the enrichment cable can be installed in that slotted hole without the extra support bracket)
Can be used on 86-94 models if the ignition switch is relocated.
1997 Sportster Top Center Mount:
Can be used on 86-94 models if the ignition switch is relocated.
Can be used on 95-97 models without alterations.
Can be used on 98-03 models by installing the enrichment cable support bracket (69035-95).
(relocate the horn and the enrichment cable can be installed in that slotted hole without the extra support bracket)
1998-2003 Sportster Top Center Mount:
Below is a 1994 883>1200 Sportster with a 1997 3.3 gal Custom fuel tank, switch relocated and a 98-03 tiop center motor mount.
The fuel tank swap put the petcock on the left side the 98 style center mount was needed to have the open area downward so the petcock can feed past the bracket.
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