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    1980 Mercruiser 165 will not go down.

    MC-1 with Prestolyte trim pump 1. Trim motor will turn on in the up and down position 2. I've disconnected the hydraulic lines at the cylinder on both sides and confirmed fluid is being pump in the up and down position and that they are in the right spots. 3. The outdrive will go up perfectly...
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    165 Mercruiser, Spark, Fuel, Timed but will not start

    Hey guys, I've been a lurker here for a few months now. I'm a very experienced mechanic on motorcycles, small engines, cars, and have been an aircraft mechanic for 23 years but this engine has me stumped! Here is the quick background info; -165 Mercruiser with a cracked bloc under the...
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