1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 648Get this manual
Quality of the image is intentionally reduced!
CHECKING GEAR BACKLASH and BEARING PRELOAD 1 ure gea ba las ith Dial lnd ca or (008.01 ::0"(_ .3mm) 2J (57mm) radi us(Fi gure 4)
1P lace fr cover with ne ga sk and il seal in
positionli dr