Mercury Optimax 75, 90, 115, DFI starting year 2004 service manual., Page 38Get this manual

Mercury Optimax 75, 90, 115, DFI starting year 2004 service manual., Page 38

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GENERAL INFORMATION

Engine Compression
Engine compression should be checked with engine block warm, throttle shutter wide open, all spark plugs removed and using fully charged batte

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