1999 Mercruiser HI-Performance GM 377 EFI Engine Service Manual, Page 424Get this manual

1999 Mercruiser HI-Performance GM 377 EFI Engine Service Manual, Page 424

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GENERAL

a(GOOD) Clearance all around outlet and hose(BAD) Contact between outlet and hoseHose Clamps 2 Exhaust hoses must be secured at each connection with two hose clamps
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