The most reliable method for Marathons is to use the letter suffix system established in the table above, starting with 1979 (E).
In conclusion, the E-Z-GO serial number decoder is far more than a simple lookup table. It is a key that unlocks the cart’s genetic code. It separates a 1979 two-stroke from a 1980 four-stroke, a 36-volt resistor cart from a 48-volt DCS (Drive Control System), and a Danaher controller from a Curtis. In an industry where parts are not always backward-compatible and where the difference between a good deal and a costly mistake can be a single letter, learning to read this code is an indispensable skill. Whether you are a buyer on a used lot, a mechanic with a wrench, or a restorer with a rusty frame, the first question should always be the same: “What is your serial number?” The answer tells the entire story. ezgo serial number decoder