The first step in diagnosing problems with lawn mower starter parts is to make sure the engine can rotate properly by disconnecting the spark plug leads, removing the spark plugs, and turning the crankshaft over slowly by hand. Warning: Unintentional sparking can result in an electric shock or a fire. Disconnect the spark plug wire and keep John Deere Riding Mower Model and Serial Number Location 2. As you can see above, one of the best places to find the location of the model and serial number on your John Deere riding mower is to stand behind it. Lean down and look just to the right of the left tire. One of the most common locations is on the lower part of the frame. .

briggs and stratton engine number location