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   [Winterizing Tips](/articles/winterizing-tips)# Winterize Your Boat Like A Pro in 7 Steps

 Oct 30, 2025

 

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  ### Video Courtesy of [Len's Cove Marina](https://www.youtube.com/@boatinglessons)

  

 

 

 

**The Cold Threat: Protecting Your Boat from Winter's Hidden Killers**





Every boat owner faces the same cold threat each fall: a winter checklist that, if ignored, can lead to catastrophic consequences when the spring thaw arrives. This video unveils the **critical "must-do" tasks** that stand between a happy launch day and a disaster costing thousands of dollars. The most urgent danger lies unseen within the engine block, where a tiny amount of trapped water can become a freezing force capable of cracking the very heart of your vessel.

**We detail the secrets** to draining every drop from the most vulnerable systems, but the mystery doesn't end there. We show how a simple inspection of the lower unit’s lubricant can expose a hidden internal failure that could sink your summer plans before they even start. Learn the essential, easy-to-miss steps—like removing one simple plug—that are often overlooked to ensure your boat survives the long, cold sleep intact and is ready to roar back to life next season.