1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 56Get this manual

1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 56

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CHECKING LUBRICANT LEVEL WAR G: DO NOT remove vent or fiDer plug when driv is hot from operationExpand hot "ar lubricant wo ul be released tllm plug ho le001when stern drive unit is coolUpper Gear Cha