1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 670Get this manual
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Figure 24 In ta II ng Stro iner ond Cooler Return Tube
0 ._- Lockwa sher
Fi ur 3A sse mbly of Shift Lever
6E- 16DR IV SYSTE S
Figure 25 In tc Ilot ion of Pipe Plu