Why Won T My Riding Lawn Mower Start. If the porcelain insulator is cracked an electrode is burned away or damaged or there is heavy carbon buildup at the electrode replace the spark plug. Fortunately if your riding mower wont start and no clicking comes from the engine you might not need a replacement just yet.
This DIY repair guide and video show how to replace the ignition switch on a riding. Inspect the spark plug for signs of wear or damage. It is also hard on the engine to do such an operation.
Here are three common reasons your lawn mower wont start after a long winter.
Add the cables in sequence 1 2 3 and 4 start the mower and while idling remove jumper cables in reverse order 4 3 2 and 1. Left over a period of time gasoline will cause buildup to clog the carburetor or stale fuel will enter the float bowl. Why does my riding mower not start when I turn it on. It may sound simple but if your mower will not start try turning off the mower blades or PTO shaft set the brake and try starting it again.
