Brand: Husqvarna
Category: Lawn Mower
Document Type: Manual
Language: EN
Manual for YTH 18542
Uploaded: Nov. 21, 2025, 6:55 p.m.
Manual Publish Date: 2008-02
Warranty Information
Husqvarna warrants products to be free from defects in material and workmanship for specified warranty periods.
Starting the Tractor:
- Ensure freewheel control is in the 'engaged' position.
- Sit on the tractor, depress clutch/brake pedal, and set parking brake.
- Place motion control lever in neutral.
- Disengage attachment clutch.
- Move throttle control to choke position.
- Turn ignition key to 'START'. Release when engine starts.
- For warm weather, move throttle to 'fast' after starting.
- For cold weather, allow engine to warm up with choke before moving throttle.
Driving the Tractor:
- Release parking brake.
- Move motion control lever forward for forward movement, backward for reverse.
Stopping the Tractor:
- Disengage attachment clutch.
- Depress clutch/brake pedal to 'BRAKE' position.
- Move motion control lever to neutral.
- Move throttle to half or full speed.
- Turn ignition key to 'STOP' and remove.
Mowing:
- Select desired cutting height.
- Start blades by engaging attachment clutch.
- Operate engine at full throttle for best performance.
- Mow at a ground speed that suits the terrain and cutting quality.
Troubleshooting and error codes
| PROBLEM | POSSIBLE CAUSE | SOLUTION |
|---|---|---|
| Engine does not start | Spark plug faulty or not connected | Check spark plug and connections. |
| Engine will not turn over | Battery discharged or connections loose | Check battery and connections. Charge battery if needed. |
| Engine runs rough | Dirty air filter or fuel filter clogged | Clean or replace air filter. Replace fuel filter. |
| Tractor will not move | Freewheel control not engaged | Place freewheel control in 'engaged' position. |
| Mower deck cuts unevenly | Deck not leveled or blades dull | Level mower deck. Sharpen or replace blades. |