I HAVE PURCHASED USED BOAT WITH 150HP JOHNSON, WITH A 9.9 EVINRUDE KICKER. AT THIS TIME THEY ARE HOOKED TOGETHER VIA A CONNECTION ATTACHED TO THE REAR OF THE LOWER UNIT, BY WHAT LOOKS LIKE A VERY LARGE [RADIATOR TYPE CLAMP]. THIS WILL NOT WORK LONG TERM. AM HAVING PROBLEMS AS WE SPEAK.<br...