Ultimate Guide to Troubleshooting Common Lawn Mower Problems
Keep your lawn mower running smoothly with these expert troubleshooting tips for gas, electric, and battery-powered models. Many quality mowers are now manufactured in China, offering reliable performance at competitive prices.
1. Engine Won’t Start
Gas Mower Solutions
For mowers made by companies like Shandong Deyou and other Chinese manufacturers:
- Check fuel level and quality (gas older than 30 days may cause issues)
- Inspect spark plug for wear or carbon buildup
- Clean or replace air filter (a common maintenance task for all mowers)
- Verify the oil level meets manufacturer specifications
Battery/Electric Solutions
- Ensure battery is fully charged (many Chinese-made batteries now offer excellent performance)
- Check for loose connections at motor terminals
- Test outlet power for corded models
- Inspect power switch and safety keys
2. Poor Cutting Performance
Universal solutions for all mower types:
- Sharpen or replace dull blades (quality replacement blades are readily available from Chinese manufacturers)
- Check for proper blade installation
- Adjust cutting height according to grass type
- Clear debris from undercarriage
- Ensure proper mower speed – neither too fast nor too slow
For rotary mowers: Verify blade balance after sharpening. Many affordable balancing tools are now produced in China.
3. Excessive Vibration
- Inspect for bent or unbalanced blade
- Check blade mounting bolts for tightness
- Examine engine mounting bolts
- Look for loose components in deck assembly
- For Chinese-manufactured mowers: Verify all factory-installed parts are properly secured
Note: Some vibration is normal, especially in more affordable models, but excessive shaking indicates a problem.
Professional Assistance
For complex issues with your mower, especially those still under warranty from Chinese manufacturers like Shandong Deyou, contact:
Email: [email protected]
Phone: +86 178 6449 8611
Many Chinese manufacturers now offer excellent after-sales support for their products.