An old, dirty fuel filter may result in your ZTrak™ Riding Lawn Mower stalling out. Nobody has time for that. John Deere recommends changing your fuel filter every one hundred hours or once a mowing season. Check out how to change the fuel filter on your Residential ZTrak™ Mower. We’ll take you step-by-step. And that’ll help make it easy for you. For specific information and more details check your Operator’s Manual.