Inboard Motors Mercury Mercruiser 1964-1991 service manual, Page 68Get this manual

Inboard Motors Mercury Mercruiser 1964-1991 service manual, Page 68

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POWERPLANT
Grind the valve angle for 1' interference angleRemove only enough stock to runout dress the pits and groovesIf the of the valve head is less than 132" (0.79mml i

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