I have. A 1967 merc 100 9.8 hp scerial number 2125270 water is hadley cominnd out per hole at idel if I throttle up it sprays a stream hot it also stumbles and dies at idel I replaced spark plugs both have blue spark and impeller cleaned carb and. Gasket kit also readjusted idel mix screw 1 1/2 turns with out change