just pick this boat up its a 1990 modelfreedom 195 4 winns 4.3 omc with omc cobra old owner said there was a brass nut that needed tighting i havent removed out drive let but was planing on it i havent tired it running but when i kick it in forward all i get is a clicking sound when i turn prop by hand i kick it in reverse its fine could that so called brass nut have some thing to do with thanks