1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 53Get this manual

1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 53

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T he pa be tw ee theF'uU" andAddmarks represent one quart Add oil if th Icv 1i.s at or 101'0 thAddmark When an engine is ed principaJly at slow speed co nditionco nsid crable crank case dilulion occur