1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 88Get this manual
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ATTACHING THROTTLE CABLEand 6-CYLENGINES
Figure 5 Throttle Control Cabl Installed with Conversion KitDual and Single Carburetion)
Figure 3 Throttle Control Cobl In ta ll ed 4- Cylin