Fixing That Noisy Boat Cutlass Bearing

If you've started noticing a strange vibration coming from under the floorboards, your boat cutlass bearing might be trying to tell you something. It usually starts as a faint hum at certain RPMs, but before long, it turns into a full-blown rhythmic thumping that makes you wonder if your propeller is about to fall off. While it sounds scary, it's actually one of those standard maintenance items that every inboard boat owner has to deal with eventually. ...

February 8, 2026 · 6 min · Enbody Cori