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    9 12 Hp merc Overheating

    "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"
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    Honda 150 best revs to run

    I am a novice and do not know I am a novice and do not know what max revs is the best. My 150 has a 15 degree pitch prop on and revs to 6300. If I change to a 17 degree pitch prop my max revs drops to 5600 The boat travels faster but has less power to pull a skier out of the water Please assist
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