Diesel engine maintenance — what's your routine?

Your diesel engine is your safety net when the wind drops or you need to get into a tight marina. Keeping it happy doesn’t require an engineering degree, but it does need regular attention.

We put together some daily maintenance tips for small yacht diesel engines — covering oil checks, coolant levels, belt tension, fuel filters, and the all-important visual inspection.

What’s your pre-sail engine routine? Do you have a checklist you run through, or is it more of a “looks fine, sounds fine” approach? Any horror stories from skipping a check?