How to Measure the Shaft on a Outboard Motor Fast

If you're scratching your head over how to measure the shaft on a outboard motor, don't worry, it's actually a pretty straightforward job once you know where to stick the tape measure. Getting this right is the difference between a boat that glides beautifully and one that splashes water everywhere or, even worse, cavitates and goes nowhere fast. Whether you're buying a used motor on Craigslist or finally upgrading your weekend fishing rig, you need to make sure the "leg" of that engine actually fits your boat's transom. ...

February 17, 2026 · 7 min · Lesli Dorita