The lawn mower small engine often has a separate model number. Use the small engine model number for a complete list of symptoms and parts. Watch our model # lookup video for help finding the model number.
The 1 most common part(s) or condition(s) which cause the symptom Lawn mower leaks gas are listed below starting with the most likely. Check or test each item and watch any available videos.
RepairClinic Item # 2141563
If the lawn mower leaks gas check the gas tank for cracks, pinholes, separated seams, or areas that might be worn out. If the tank is leaking do not try to patch it, replace the gas tank.