Webmay 14, 2005 · when i try to start my engine, it will not fire. Check to ensure that there is fresh, clean fuel in the fuel tank. Also check the fuel filter, because a clogged fuel filter. The battery is empty (not charged); Webdec 31, 2009 · if your husqvarna riding mower has a little trouble starting up, always start with the basics. Right off the bat, make sure that your mower has fuel in the tank. Webfeb 15, 2006 · there are different circumstances to a mower not starting. Does the engine turn over, but does not start? This is normally associated with the lack of incoming air or.