TECHNICAL SPOTLIGHT

Marine engine servicing does not always require a trip to the mechanic. Many routine maintenance tasks can be done by boat owners with the right parts, basic tools, and a clear understanding of where the limits are. Knowing what you can safely service yourself, and what should be left to qualified professionals, helps reduce downtime, control costs, and keep your engine reliable when it matters most. In simple terms, DIY marine engine servicing covers regular inspection, cleaning, and replacemen …

A sacrificial anode is a specially designed metal component that corrodes instead of your engine, protecting critical marine parts from galvanic corrosion. Without sacrificial anodes, underwater metal components such as engine blocks, heat exchangers, drives, and shafts are exposed to rapid and costly deterioration. Corrosion is unavoidable in saltwater, brackish water, and even freshwater environments. Understanding how sacrificial anodes work and maintaining them correctly is one of the most e …

propeller is often the root cause. Propeller vibration, cavitation and poor performance are common issues that affect comfort, fuel economy and engine health. Understanding why these problems occur helps you fix them early and choose the right propeller setup for long-term reliability. This guide explains the most common propeller problems, what causes them, and how to restore smooth, efficient performance. What causes propeller vibration? Propeller vibration occurs when the propeller does not r …