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Captain's Log

close up image of a set of triple carburetors from an outboard motor

Master your outboard: a comprehensive guide to carburetors

Even with the advent of modern fuel injection, Carburetors are still a major component of a lot of outboard motors Even with the advent of modern fuel injection, carburetors are still a major component of many outboard motors. If you’re working on or troubleshooting your carburetor, it’s also important to understand the fuel system that supports it.

Master your outboard: a comprehensive guide to carburetors Read More »

up close image of a plate type marine heatexchanger

Understanding your marine diesel cooling system

It doesn’t matter what size engine you have—all marine diesel engines require one or more cooling components.

Using seawater to cool a diesel engine is an ingenious and efficient method. While a car radiator uses air passing through fins to cool its internal coolant, a marine heat exchanger uses water-to-water cooling, cycling seawater through cooling tubes to absorb and carry away heat from the engine coolant.

Understanding your marine diesel cooling system Read More »

white generator in engine bilge

Onan Marine Diesel Generator Cranks But Won’t Start? Full Troubleshooting Guide

If your Onan marine diesel generator cranks but won’t start, don’t panic—this step-by-step diagnostic case study will walk you through how I resolved this issue on a real vessel. You’ll learn how to troubleshoot starting problems, carry out targeted repairs, and prevent these issues from happening again.

Onan Marine Diesel Generator Cranks But Won’t Start? Full Troubleshooting Guide Read More »

close up of a diesel filler cap

Complete Guide to Marine Diesel Fuel Systems: Bleeding, Leak Detection, and Maintenance

Understanding your marine diesel fuel system can feel overwhelming—especially if you’re new to diesel engines. From bleeding the system and checking for leaks to servicing filters and evaluating fuel quality, there’s a lot to stay on top of.

This guide will walk you through the key elements of a diesel fuel system

Complete Guide to Marine Diesel Fuel Systems: Bleeding, Leak Detection, and Maintenance Read More »

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