1999 Mercruiser HI-Performance GM 377 EFI Engine Service Manual, Page 42Get this manual

1999 Mercruiser HI-Performance GM 377 EFI Engine Service Manual, Page 42

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MAINTENANCE
1 Loosen 58 inlocking nut on idler adjustment pulley stud)2 Turn adjustment stud and loosen belt3 Remove drive belt

aCrankshaft PulleyWater Circulating Pump PulleyAltern

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