1966 mercury 200 20 hp

by JD
(Dallas, TX)

I cannot get water to circulate through the motor. I’ve replaced the impeller and it pumps water when turned with a drill, but no water goes up the water pipe, with the LU off I’ve tried to force water up the pipe with a hose, to no avail. There’s no tell tale water but I can take the hose off the exhaust a blow through it. It’s not plugged up. I pulled the exhaust cover off and found no obvious blockages. What else can I do to get the water to circulate?

Thanks, JD mcalesterjd@yahoo.com

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