" I have a 74 model mercury 11
" I have a 74 model mercury 115 in line 6 #3946662, Iam looking at a replacement lower unit,
1) 85 hp #4153911 mercury
2) 80's model 80 hp #5002209 mariner
both are apperantly off in line 6 engines, but I dont know if they are or if the major hp difference would be a prob. "
" I have a 74 model mercury 115 in line 6 #3946662, Iam looking at a replacement lower unit,
1) 85 hp #4153911 mercury
2) 80's model 80 hp #5002209 mariner
both are apperantly off in line 6 engines, but I dont know if they are or if the major hp difference would be a prob. "