Mercury Mercruiser GM V-8 305 CID / 350 CID Engines Service Manual., Page 101Get this manual

Mercury Mercruiser GM V-8 305 CID / 350 CID Engines Service Manual., Page 101

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SERVICE MANUAL NUMBER 24

Camshaft Area
Noise Location Possible Causes Crankshaft timing sprocket damaged Timing chain damaged Camshaft area, front of engine, timed to 12 engine spee