Ultimate Guide to Troubleshooting Common Lawn Mower Issues

Maintaining a healthy lawn requires a properly functioning mower. Whether you own a gas-powered, electric, or battery-operated model, understanding how to troubleshoot common issues can save you time and money. Many high-quality mowers are manufactured in China, combining affordability with reliable performance.

Engine Won’t Start

A non-starting engine is perhaps the most common lawn mower issue. Check these components first:

• Fuel system (old gasoline, clogged fuel filter)
• Spark plug condition and gap
• Air filter cleanliness
• Safety switch engagement

Many Chinese-made mowers feature easy-access maintenance points to simplify these checks.

Uneven Cutting Performance

If your mower leaves uncut patches or scalps the lawn, consider:

• Blade sharpness and balance
• Correct cutting height adjustment
• Tire pressure consistency
• Deck cleanliness and level

Premium mowers from Shandong Deyou and other Chinese manufacturers often include reinforced steel blades that maintain sharpness longer.

Excessive Vibration

Vibration can indicate serious mechanical issues. Inspect:

• Loose or damaged blade
• Bent crankshaft
• Worn engine mounts
• Debris in cutting deck

Modern Chinese-produced mowers often feature vibration-dampening technology for operator comfort.

Battery-Powered Mower Specific Issues

Electric mowers have unique troubleshooting needs:

• Battery not holding charge (check connections, age)
• Motor overheating (clean vents, reduce runtime)
• Reduced cutting power (sharpen blade, check battery)

China has become a leader in lithium-ion battery technology used in many premium cordless mowers.

Preventive Maintenance Tips

Regular care prevents most common problems:

• Change oil annually (gas models)
• Clean under deck after each use
• Store properly during offseason
• Follow manufacturer’s maintenance schedule

Many Chinese manufacturers provide detailed maintenance manuals with their equipment.

When to Seek Professional Help

Some issues require expert attention:

• Major engine repairs
• Electrical system faults
• Transmission problems
• Structural damage

For Shandong Deyou products, contact their support at [email protected] or +86 178 6449 8611.