| PROBLEM | CAUSE | CORRECTION |
| Does not start | 1. Dirty air filter. 2. Out of fuel. 3. Stale fuel. 4. Water in fuel. 5. Spark plug wire is disconnected. 6. Bad spark plug. 7. Loose blade or broken blade adapter. 8. Control bar in released position. 9. Control bar defective. 10. Fuel valve lever (if so equipped) in OFF position. | 1. Clean/replace air filter. 2. Fill fuel tank. 3. Drain fuel tank and refill tank with fresh,clean gasoline. 4. Drain fuel tank and refill tank with fresh,clean gasoline. 5. Connect wire to plug. 6. Replace spark plug. 7. Tighten blade bolt or replace blade adapter. 8. Depress control bar to handle. 9. Replace control bar. 10. Turn fuel valve lever to the ON position. |
| Loss of power | 1. Rear of lawn mower housing or cutting blade dragging in heavy grass. 2. Cutting too much grass. 3. Dirty air filter. 4. Buildup of grass, leaves, and trash under mower. 5. Too much oil in engine. 6. Walking speed too fast. | 1. Raise cutting height. 2. Raise cutting height. 3. Clean/replace air filter. 4. Clean underside of mower housing. 5. Check oil level. 6. Cut at slower walking speed. |
| Poor cut- uneven | 1. Worn, bent or loose blade. 2. Wheel heights uneven. 3. Buildup of grass, leaves and trash under mower. | 1. Replace blade. Tighten blade bolt. 2. Set all wheels at same height. 3. Clean underside of mower housing. |
| Excessive vibration | 1. Worn, bent or loose blade. 2. Bent engine crankshaft. | 1. Replace blade. Tighten blade bolt. |
| Starter rope hard to pull | 1. Engine flywheel brake is on when control bar is released. 3. Blade adapter broken. 4. Blade dragging in grass. | 1. Depress control bar to upper handle before pulling starter rope. 2. Contract a qualified service center. 3. Replace blade adapter. 4. Move lawn mower to cut grass or to hard surface. |
| Grass catcher not filling (If so equipped) | 1. Cutting height too low. 2. Lift on blade worn off. 3. Catcher not venting air. | 1. Raise cutting height. 2. Replace blade. 3. Clean grass catcher. |
| Hard to push | 1. Grass is too high or wheel height is too low. 2. Rear of lawn mower housing or cutting blade dragging in grass. 3. Grass catcher too full.
| 1. Raise cutting height. 2. Raise rear of lawn mower housing one setting higher. 3. Empty grass catcher. 4. Adjust handle height to suit. |
