Compass Revision course

Diesel Engine revision

Name: Marine Diesel Engine Revision Revision
Price: 12.99 GBP
Availability: InStock

Diesel engine revision for boat owners and skippers covering basic operation, checks, maintenance, spares, and troubleshooting.

Independent revision aid only. It does not replace the RYA Diesel Engine Course, manufacturer manuals, or qualified mechanical advice.

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Course decision

Is Diesel Engine the right next step?

What this is: A self-guided revision companion that explains essential concepts, then helps you practise and test them. It supports—but does not replace—recognised instruction, practical training, assessment or certification. Access is a one-time payment, not a subscription.
Best for: Learners preparing for Diesel Engine
Study effort: Self-paced in short sessions; use the module total to plan your own pace.
Included: 8 revision modules with teaching-first lessons, guided practice, topic tests, recall and relevant interactive tools.
Formal qualification?: Independent revision aid only. It does not replace the RYA Diesel Engine Course, manufacturer manuals, or qualified mechanical advice.
Usually followed by: Find practical engine training
Access: £12.99 once for full revision access; no subscription.

Compass is independent revision, not an instructor-led course or awarding body.

Try 2 free revision modules Full revision access £12.99 See the usual next step

Syllabus map

What this course covers

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How a Diesel Engine Works

Free

The four-stroke cycle, compression ignition, fuel, air, cooling, lubrication, and exhaust.

Preview module

Daily Engine Checks

Free

Oil, coolant, belts, hoses, leaks, fuel, water separator, stern gland, and exhaust water.

Preview module

Fuel System Problems

Fuel contamination, filters, water separators, bleeding, air leaks, and blocked supply.

Preview module

Cooling and Overheating

Raw water, fresh water, impellers, strainers, seacocks, alarms, and overheating response.

Preview module

Air, Exhaust, and Electrics

Air supply, exhaust restrictions, batteries, starter circuits, alternator charging, and warning lights.

Preview module

Servicing, Spares, and Tools

Service intervals, filters, belts, impellers, oil, coolant, tools, and onboard documentation.

Preview module

Diesel Troubleshooting

No start, starts then stops, overheating, smoke colours, vibration, alarms, and decision trees.

Preview module

Winterisation and Layup

Fuel, cooling, oil, batteries, belts, corrosion, ventilation, and recommissioning.

Preview module

Course scope

Independent revision aid only. It does not replace the RYA Diesel Engine Course, manufacturer manuals, or qualified mechanical advice.

How to use the guide

Work through each module lesson, test recall with the module quiz, and use the flashcards until the decision checks feel automatic. The content is written for revision and confidence building before formal training, assessment, or official documentation checks.