Inboard Motors Mercury Mercruiser 1964-1991 service manual, Page 46Get this manual

Inboard Motors Mercury Mercruiser 1964-1991 service manual, Page 46

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POWERPLANT
4- Good compression the key proper engine perfoitnaiiceAnwith worn piston rings, burned valvesworn guides, or blown cannot be to
U compressed air in cylinder when the piston is