RBX111 Solas Rubex Hub System Evinrude Johnson 40-75 HP Outboards.
3.25" Gearcase 13 Tooth Spline
2-Strokes E/J 40 HP 2 Cyl. 1984-2005 48 HP 1987-Newer 50 HP 2 Cyl. 1975-2005 55 HP 1976-79 65 HP 2 Cyl. 1980-85 75 HP 3 Cyl 1975-85 Sprint/Formula E 1986-92