These complete starter motor jack-shaft
assemblies include starter shaft, shaft
extension, couplings and all components for
complete starter motor installation.

Fits 1989 thru 1993 Big Twin models 9 tooth gear
290542 Zodiac
721194 Spyke
232188 Primo

Retaining ring only (OEM 11183)
236941 Genuine

Fits 1994 thru 2006 Big Twin models, except 2006 Dyna, 10 tooth gear
290543 Zodiac
721195 Spyke