1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 47Get this manual
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INDEX MerCruiser Lubricant and Maintenance Chart tC-t Stern Drive Lubricant Capacities lC2 Quicksilver Engine Cleaner tCJ How to Use 1CJ Severly Carboned Engin8$ 1C-3 Additional Cleaning Benefits CJ O