Replacing Your Yanmar 2GM Impeller Like a Pro
Changing a yanmar 2gm impeller is one of those boat chores that seems small until you forget to do it and your engine starts smoking mid-channel. It's the literal heart of your raw water cooling system, and if it stops pumping, your day on the water is going to get very expensive, very fast. If you've spent any time on a boat with a Yanmar engine, you know they're usually bulletproof, but they still need that steady flow of seawater to keep their cool. ...