Mercury Mercruiser GM V-8 305 CID / 350 CID Engines Service Manual., Page 353Get this manual

Mercury Mercruiser GM V-8 305 CID / 350 CID Engines Service Manual., Page 353

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INSTRUMENTATION

Tachometer
TESTING
1 Connect service tachometer to engine and compare readings between the service tachometer and the original tachometer2 Replace if not withi