1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 490Get this manual

1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 490

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INSTALLAT ION
Figure 7 Camshaft Gear Backlash

3 Cheel backlash be ween limin gear teeth with dial indi torBa klash hould no be less than .004" mo re than .006"Fi gu i) 4-L ubr icate