1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 403Get this manual
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5 Inse rt 1 16" drift pin thru both oi holes La ho ld pl un ge down aga inst li fte prin te ns ion(Fig re 5)
I VOTE: If' henever new value lifters arE" being installed, coal [OOt of val ve lifl