Service procedures

Specs and step-by-step jobs for big-block MerCruisers and Bravo drives. Every value is cited to the factory manual page it comes from and checked by a certified marine technician. Ask theNasty in ChatGPT or Claude for the parts.

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theNasty wrote these procedures. We're not affiliated with or endorsed by Mercury Marine. MerCruiser and Bravo are Mercury Marine trademarks, used here only to say which engines a page covers.Every spec is cited to the manual page it comes from and was checked by a certified marine technician. Check it against your own manual, and if you're not sure you can do a job safely, have a certified technician do it.