1999 Mercruiser HI-Performance GM 377 EFI Engine Service Manual, Page 408Get this manual

1999 Mercruiser HI-Performance GM 377 EFI Engine Service Manual, Page 408

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SEAWATER COOLING SYSTEM

aDrain PlugLens Cover Bolts (2, One Hidden In This View) 4 Open seacock, if equipped
90-840500 MARCH 2000

Page 6A-9