Mercury Mercruiser GM V-8 305 CID / 350 CID Engines Service Manual., Page 254Get this manual

Mercury Mercruiser GM V-8 305 CID / 350 CID Engines Service Manual., Page 254

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5.0l305 cid5.7l350 cid ENGINES
1 Clean by-pass valve and adaptor assembly in solvent and blow dry with compressed air2 Inspect fiber valve for cracks or other damage3 Ensure that valve fits tigh