TECHNICAL SPOTLIGHT

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 …

An exhaust manifold or riser is failing when corrosion, internal wear, or cracking allows exhaust gases or cooling water to escape where they should not. Left unchecked, this can lead to overheating, water ingestion, and severe engine damage. These components are critical to your marine exhaust system. The exhaust manifold collects hot gases from the engine, while the riser cools and elevates those gases before they exit the boat. Because they constantly deal with heat, saltwater, and pressure, …