Guides & Technical Advice

Marine Diesel Engines by Nigel Calder is a fantastic companion book for DIY boatowners. It's full of useful information and gives easy to follow guidance on how to take on servicing and  maintenance work. In addition, the book covers more...

As a boat owner, you’re likely familiar with the importance of keeping your engine in top working condition. However, even the best-maintained engines can run into issues from time to time. Understanding the most common problems that affect boat engines—and...

A well-functioning cooling system is essential for maintaining your boat’s engine and preventing serious damage caused by overheating. Without effective cooling, engines can quickly overheat, leading to warping, cracking, and other expensive repairs. To avoid these issues and ensure your...

As temperatures drop and boating season winds down, it’s time to start thinking about winter maintenance for your boat’s engine. Properly preparing your engine for the colder months, also known as “winterising,” can prevent damage caused by freezing temperatures, corrosion,...

Maintaining your boat’s raw water pump is crucial for keeping your engine cool and running efficiently. Over time, raw water pumps can wear out, leading to overheating and potential engine damage. However, with the right tools and parts, you can easily service or rebuild your raw water pump to ensure it continues to function properly.

Your boat’s diesel engine is the heart of your vessel, and like any complex machine, it requires regular care to stay in top working condition. While repairs and part replacements are sometimes unavoidable, adopting a preventative maintenance routine can significantly...

In today's world, sustainability is a major consideration for many boat owners. While newer, more efficient engines are constantly being developed, there’s a growing recognition that keeping older engines running might actually be the more environmentally responsible choice. We believe...

Over time, gaskets can wear out or degrade, leading to leaks that can cause serious engine problems. In this article, we’ll explore the importance of replacing worn-out gaskets, explain the consequences of neglecting them.

The above diagrams show the differences between the two types of 'Earth' connection. Insulated electrical components are extensively used on marine applications to reduce the risk of galvanic corrosion.   Original image copyright Prestolite.

Unfinished Liner (Also know as 'semi-finished' liner) This type of liner has a finished exterior but the inner bore will require boring and honing to the correct  finished size after it has been pressed into the parent bore of the...