I HAVE A '93 JOHNSON 150 F/S AND WAS WONDERING<br />WHAT WOULD BE NEEDED TO CONVERT TO 175 HP<br />BORE, STROKE, CARB SIZE SEEM TO BE THE SAME AS A 175. I WAS TOLD THAT BY CHANGING THE AIR BOX, JETS AND MAYBE REEDS COULD ACCOMPLISH THIS TASK.<br /><br />THE SAME PERSON HAS A JOHNSON 225 HO AND...
