1999 Mercruiser HI-Performance GM 377 EFI Engine Service Manual, Page 65Get this manual

1999 Mercruiser HI-Performance GM 377 EFI Engine Service Manual, Page 65

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TROUBLESHOOTING
Defective cylinders Excessive bearing clearance

NOTE: ENGINE CRANKCASE OIL MUST BE CHECKED AT INTERVALS SPECIFIED IN "MAINTENANCE SCHEDULE" in SECTION 1BIt is normal

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