1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 722Get this manual
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MarCruisar 225-255 II-TA Transmission Model 60' Description .6G1
.60-1 .6G2 ._ Transmission .60'" Removal .60'" DlsIaelTbly and Repair .8G;S
Control Valva Housing Repeir .6G-8 Pump