Breaking Point: What Can Go Wrong With Your Yanmar?

These auxiliaries are an industry workhorse, but stay on top of that exhaust elbow.


If you want to know more about the little Yanmar chugging away in your sailboat, it helps to learn about this iconic engine maker’s lowly but ubiquitous GM series. This noisy, cantankerous, yet well-regarded machine will nonetheless take you anywhere you want to go. You just have to know how to treat it right—with respect, but a firm hand.

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Meredith Anderson
Meredith Anderson is a marine engineer and heavy diesel mechanic who owns Madame Diesel, LLC in Washington State, where she specializes in marine diesel engines and AC/DC Electrical. Meredith attended Massachusetts Maritime Academy, where she gained the foundation to become a marine engineer aboard commercial vessels from 120ft. – 554ft. She currently works full-time running her own business, traveling the nation with her training engines and fixing engines onboard her clients' boats. She uses her limited free time to work as a USCG 100-Ton Captain and Port Engineer onboard the Brig Lady Washington, teaches marine engineering part-time at Seattle Maritime Academy, and writes educational diesel engine articles for 48 Degrees North magazine and Practical Sailor. Her goals are to educate sailors and help them to complete the repairs needed for safe and happy sailing anywhere they want to go.