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    1970 Mercruiser 165 MC-1 upper unit reseal

    Found a good amount of drive oil dripping out the lower unit seep hole. Recently replaced my shift shaft with s.s. one and new seals so no problem there. Also entire water pump assembly replaced so no worries there. Two seals behind prop replaced as well. Oil is dripping down lower drive...
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    1970 Mercruiser 165 runs hot when thermostat is in

    I have a 1970 Mercruiser 165. Low hours on rebuilt engine. Has new waterpump (base, oil seals, oil rings, impeller housing cover, etc.) New shift shaft seal and s.s. shift shaft. New bellows, shift cable and bellows. New prop shaft seals (both). Runs at mid-green level on gauge. Decided...
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    Timing mark 90 degrees out - 70 mercruiser 165

    Acquired my boat from my fathers friend who passed on recently. Original owner of a 1970 Starfire 190, with Mercruiser 165. Boat is like new and he kept it garaged and used in Lake Powell, AZ. He was a mechanic and rebuilt the engine in 2009. He took it out and put 8 hrs on it, the it never...
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    1970 Mercruiser 165 Trim Down Problem

    Just finished a complete bellows replacement and water pump replacement of my 1970 Mercruiser 165 outdrive. No problems with any of that. Hooked up my trim cylinders. Up is no problem and they push up with good force. Down is the issue. The drive trims down, but stops and inch short of full...
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