pieter_jooste
New member
"I have this elderly 9 1/2 hp
"I have this elderly 9 1/2 hp Merck engine and it used to run like a charm. It started to overheat an no water came out of the pee hole. I replaced the rubber water pump impeller, but it did not help at all. No water comes out of the pee hole.
Any suggestions please"
"I have this elderly 9 1/2 hp Merck engine and it used to run like a charm. It started to overheat an no water came out of the pee hole. I replaced the rubber water pump impeller, but it did not help at all. No water comes out of the pee hole.
Any suggestions please"