Boat Engine Maintenance Guides

Oil changes, annual maintenance, engine-hour service, impellers, cooling systems, and practical schedules for keeping a boat ready to run.

All maintenance guides

6 practical guides

A practical maintenance checklist organized by every trip, monthly checks, engine hours, and annual service.

What owners can expect at a 100-hour service and why the engine manual—not a generic package—sets the final scope.

Why impeller intervals depend on the engine, time, hours, water conditions, and any history of running dry.

How engine hours, time, operating conditions, and the manufacturer's schedule determine marine oil-change intervals.

How to prepare for annual engine service and understand the inspection, maintenance, recommendations, and records afterward.

A practical saltwater-maintenance routine for engines, electrical systems, hardware, cooling passages, and records.

Connect the guidance to local dockside service information for the harbor where the boat is kept.

We come to your slip in Marina del Rey, Long Beach, San Pedro, and beyond. Tell us your engine and your slip number and we handle the rest.