Why won't my Exmark LAZER Z DS Lawn Mower engine start?
- RRenee MartinezNov 18, 2025
If your Exmark Lawn Mower engine won't start, starts hard, or fails to keep running, consider these potential causes: * The fuel tank might be empty; fill it. * The fuel shutoff valve might be closed; open it. * The oil level in the crankcase might be low; add oil. * The throttle might not be in the correct position; adjust it midway between “SLOW” and “FAST”. * The fuel filter might be dirty; replace it. * There might be dirt, water, or stale fuel in the fuel system; contact an Authorized Service Dealer. * The air cleaner might be dirty; clean or replace it. * The seat switch might not be functioning properly; check the seat switch indicator and replace the seat if needed. * Electrical connections might be corroded or loose; inspect and clean them. * A relay or switch...












