Home › Forum › Ask A Member › 1984 Mercury 9.8 Question › Re: 1984 Mercury 9.8 Question
April 22, 2018 at 8:38 pm
#74513
See again my first post in this thread. If nothing there helps, remove the lower unit and try to blow through the water tube BY MOUTH, with a piece of hose attached. With no thermostat, you should be able to blow through with only a little effort. The blocks do plug up sometimes…
Long live American manufacturing!