Solas 203 Rubex Hub KitSolas RBX203 Rubex Hub Kit For use with Rubex Interchangeable Hub System Propellers. Also works with Michigan Wheel, Mercury Flo Torq and Turning Point propellers with interchangeable hubs. Application: Yamaha; 115 HP & 130 HP 1984 & Newer, 15 Spline 4-1/4" Gearcase; F115 (4 stroke) 2000 & Newer, 15 Spline 4-1/4" Gearcase; 150-250 HP 1984 & Newer, 15 Spline; 300 HP (4 stroke V6) 2004-2007 & 2010 & Newer; Sterndrives 1989-1993, 15 Spline;