1999 Mercruiser HI-Performance GM 377 EFI Engine Service Manual, Page 43Get this manual

1999 Mercruiser HI-Performance GM 377 EFI Engine Service Manual, Page 43

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MAINTENANCE
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INSTALLATION AND ADJUSTMENT
1 Install Serpentine belt onto pulleys and adjust tension by loosening 58 inlocking nut on adjustment studLeave wrench o