Navathome Diesel Engine Course - Navathome!
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Navathome Diesel Engine Course

Theory Course

Navathome Diesel Engine Course
Theory Course

Get Instant Access £95

Revise and retry until you pass

  • Included Free With Our RYA Day Skipper, RYA Coastal Skipper, Yachtmaster Fastrack, & Yachtmaster Ocean courses.
  • Fully 3D Animated & Interactive Lessons
  • Multi Device Support
  • Study At Your Own Pace
  • No Classroom Pressure
  • 6 Months Initial Course Access
  • Options to Extend
  • Downloadable course completion certificate
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Understand Your Engine

The Navathome Diesel Engine Course is designed to teach you everything you need to know about your motor to keep you, your crew, and your boat safe. Learn how to maintain, fault find, and look after your engine.

Is this course right for you?

This course is for everyone, from first time crew, to liveaboard sailors. The course takes approximately 20 hours to complete, with simple quizzes at every stage to help you learn.

Not convinced ?

Over 2,500 reviews on TrustPilot

Over 1000 five star reviews

" I am really impressed with the Graphics and Simulation and will Constantly Refer to then Out on the Water...Even with my own Land Rover...the Beauty of the Graphics Certainly make Life Easy to appreciate the What's and Whys with Where something has gone wrong or needs attention...

For those who have never had the Opportunity to Grasp the Fundamental Engineering of Diesel -; Land or Marine this is a Gem of a Course.. "



Covers essential tasks such as checking oil levels, inspecting water systems, assessing belt conditions, examining bilges for proper drainage, and evaluating electrical components.


Learn how to perform routine maintenance tasks; including changing the oil and oil filters, inspecting and replacing air filters, as well as adjusting the V belt tension for proper operation.

Fault finding:

Learn how to diagnose reasons for slow running, starting problems, overheating, and other potential malfunctions, equipping them with the skills to address these issues effectively.

Types of oil:

Learn about different types of oil, their properties, and the importance of selecting the correct oil for optimal engine performance and longevity.


All courses are completed online, study at your own pace, from anywhere in the world.


Our goal is to assist you by addressing common questions and offering valuable information about our courses and services. If you’re unable to find the specific answer you’re seeking, we encourage you to reach out to our dedicated team. We are always ready to provide further assistance and support.