THE BLOG

Our Leopard 45 came from the factory equipped with two 4JH45 marine diesel engines. It's a Yanmar common rail 4-cylinder inline diesel, and like all engines it requires regular checks and routine servicing to help it in top shape. In this quick guide I'm going to run you through what we think are the key things to know about basic maintenance for the Yanmar 4JH45 and Yanmar 4JH57 marine diesel motors, including the service intervals, tools we keep aboard and main parts you'll

Here's our thoughts on making DIY fuel polishers for the marine diesel engine about your sailing yacht or power boat.

Here's how you can quickly and easily set up a reusable filter to improve the quality of mains water going into your yacht water tanks.

This is the DIY process we use to remove and replace the Yanmar SD60 sail drive output seals and O-rings on our Yanmar marine diesel engine.

Here's the basics of galvanic corrosion on boats, including some of the causes, effects, and most importantly, how to prevent it.

Here are 17 places you can source marine equipment and yacht related supplies, tools and contractors from in Cape Town, South Africa.

Here are 9 of the best upgrades we made to our boat galley and where to find the parts to upgrade your yacht.

Tap testing is a handy diagnostic tool for fiberglass boats that was invaluable during warranty repairs of our Leopard Catamaran.

A midway step is a must-have for docks that sit between transoms and side deck exit, so here's our design we created for our catamaran.

A method for bonding saildrive rubber boots to yacht hulls, which in our case is the Yanmar SD60 saildrive.

Learn how to check the valve clearances and find top dead center on a Yanmar 4JH45, 4JH57, 4JH80 and 4JH110 marine engine.

We installed STEINBAUER PowerModules on our Leopard 45 Catamaran's Yanmar 4JH45 engines, and what a positive difference it has made!