Got this engine started yesterday,I have to replace the impeller it looks like. got all the bolts off ,but still wont come all the way down.. was told the shaft under the carbs has a nut to loosen or take off ... Is this rite ?????or am i missing something else?? The bottom did come open but not down far enough, to look at the impeller or replace it......ANY HELP WOULD BE MUCH APPRCTD!!!! Like i said engine starts rite up ,but no water out the pee hole so.........:facepalm: