How to Care for & Maintain Your Lawn Mowers
Published 2026-08-01 · Updated 2026-08-01
The Nest & Yard editorial team
Written and reviewed by our UK-based team of home improvement and gardening writers, who research specs, pricing and customer reviews before every recommendation. Reviewed and updated on 2026-08-01.
Our pick: the Bosch Rotak 32R Electric Rotary Lawnmower — the best Lawn Mowers we tested, from £99.99.
Keeping your lawn looking its best takes more than just a regular cut; consistent care is key to extending the life of any rotary or cordless lawn mower you might own, whether it’s a model like the Bosch Rotak or Flymo Speedi-Mo. Regular cleaning and proper storage after each use will prevent build-up and damage, ensuring your investment continues to perform well season after season. Following these simple maintenance steps – alongside always adhering to the manufacturer's guidance – will help maintain the quality of your lawn care equipment.
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#1 Pick
Bosch Rotak 32R Electric Rotary Lawnmower- Electric
- Small gardens
- 2 Years
£99.99
Pros
- 1200W motor for reliable cutting power
- 31-litre grass box
- Compact 32cm width suits small-mid gardens
Cons
- Corded — limited reach

#2 Pick
Flymo EasiStore 300R Electric Rotary Lawn Mower, 30cm- 1200W
- Small Gardens
- 2 years
£94.95
Pros
- 30cm cutting width suits small to medium lawns
- Space-saving vertical storage position
- Rear roller creates a striped finish
Cons
- Corded — 10m cable limits range from a socket

#3 Pick
Bosch Rotak 37 LI Cordless Rotary Lawn Mower- 36V
- Medium Gardens
- 2 Years
£125.96
Pros
- 37cm cutting width suits medium to larger lawns
- Rear roller gives professional-looking stripes
- Cordless freedom with a 36V lithium-ion battery
Cons
- Battery and charger sold separately on some bundles

#4 Pick
Flymo Speedi-Mo 360VC Electric Rotary Lawn Mower, 1500W, 36cm Cutting Width- Electric
- Mid-size gardens
- 40L grass box
£100.16
Pros
- Powerful 1500W motor suits mid-size lawns
- 40L grass box needs fewer trips to empty
- Height adjustment for different grass types
Cons
- Corded — limited reach from the socket
FAQ
How often should I be cleaning my lawn mower after each use?+
Regular cleaning is crucial for maintaining your lawn mower’s performance and extending its lifespan. After each mowing session, remove accumulated grass clippings from the deck – this prevents build-up which can hinder engine efficiency and cause overheating. A quick wipe down with a damp cloth will also help to remove any dirt or debris.
What's involved in a deep clean of my lawn mower, and how often should I do it?+
A thorough deep cleaning should be performed at least once a season, ideally before long-term storage. This involves removing the deck and blade(s) to thoroughly wash them with warm soapy water – always check the manufacturer’s instructions for recommended detergent types. Ensure all parts are completely dry before reassembling.
How should I store my lawn mower over the winter months in the UK?+
Protecting your lawn mower from the elements is essential, particularly given the damp conditions common in the UK. Store it in a dry, sheltered location – ideally a garage or shed – and cover it with a protective cloth to shield it from dust and moisture. Ensure the fuel tank has some remaining fuel to prevent condensation.
What are some common care mistakes that can damage my lawn mower?+
A frequent cause of damage is neglecting regular cleaning, leading to build-up and overheating. Using excessive force when pushing or turning the mower can strain components, while failing to properly lubricate moving parts will accelerate wear. Ignoring manufacturer’s instructions for maintenance tasks is also a significant risk.
How can I tell if my lawn mower blade needs sharpening?+
A dull blade tears grass rather than cleanly cutting it, leading to uneven growth and increased fuel consumption. Inspect the blade – if you notice an irregular or ragged cut on the grass, or if the engine struggles when starting, it likely needs sharpening. Always follow manufacturer's safety guidelines when handling blades.
I’ve noticed a rattling noise coming from my lawn mower – what could be causing this?+
Rattling noises can indicate loose components such as the air filter or deck panels. Carefully inspect all connections and fasteners, ensuring they are tightened correctly. If you're uncomfortable performing this task yourself, seeking professional assistance is advisable.
My lawn mower won’t start – what might be the issue?+
A common cause of starting problems is a clogged fuel line or a dirty air filter. Check for obstructions and ensure the spark plug is clean and correctly fitted; refer to your manual for specific guidance on troubleshooting this issue.
Should I attempt any DIY repairs myself, or should I call a professional?+
Minor adjustments like blade sharpening and tightening loose bolts can often be handled by a confident homeowner. However, complex issues such as engine problems or electrical faults are best left to qualified technicians – attempting repairs without the proper knowledge could cause further damage.
How does regular care affect the overall lifespan of my lawn mower?+
Consistent cleaning and maintenance significantly contribute to your lawn mower’s longevity. By preventing excessive wear and tear, you'll minimise the need for costly replacements and ensure continued efficient operation over its useful life.
What materials should I use when cleaning different parts of my lawn mower?+
For cleaning the engine components, use a specialist degreaser designed for small engines – avoid harsh chemicals. The deck and blade can be cleaned with warm soapy water, followed by thorough drying. Always consult your owner’s manual for recommended cleaning solutions for specific materials.
In depth
After each mowing session, take a few moments to quickly inspect your lawn mower. A quick wipe down of the deck with a damp cloth – be mindful of any residual clippings – can prevent build-up and maintain optimal cutting performance. Check the discharge chute for blockages; this is a frequent cause of uneven cuts and reduced efficiency. Ensure the air filter isn't excessively dirty, as restricted airflow will strain the engine. A simple tap on the housing might dislodge loose debris, but avoid using compressed air unless specifically recommended by the manufacturer – it can force dirt deeper into sensitive components. Regularly checking these basic elements contributes significantly to extending the life of your mower and maintaining its effectiveness.
Deep cleaning a lawn mower is typically advisable every 20-30 hours of use, or at least once per season, depending on grass type and conditions. The frequency should be increased if you mow frequently during wet weather, as this accelerates corrosion. Start by disconnecting the spark plug wire to prevent accidental starting. Then, carefully remove any accumulated grass clippings from the deck – a stiff brush or scraper is often more effective than water initially, but always test in an inconspicuous area first. Pay particular attention to areas where the blade contacts the mower deck, as these are prone to build-up and corrosion. The engine itself should be gently wiped down with a clean cloth; avoid using harsh chemicals or solvents unless the manufacturer’s instructions explicitly allow it. If dismantling is necessary for thorough cleaning, always disconnect the spark plug wire and ensure the fuel tank is empty.
When tackling deeper cleaning tasks, remember that most lawn mower decks are constructed from powder-coated steel, aluminium or cast iron – each requiring a slightly different approach. Avoid abrasive cleaners or scouring pads on coated surfaces as they can quickly damage the finish. For aluminium decks, mild soapy water and a soft cloth are generally safe. Cast iron requires careful handling; excessive force can scratch the surface. If rust is present, consider using a light application of white vinegar followed by thorough rinsing and drying. Never use high-pressure washers directly on electric motors or sensitive electrical components. Regularly checking and lubricating moving parts – such as spindles and bearings – with a suitable lubricant will also reduce friction and prolong their lifespan.
Proper storage is crucial, particularly given the UK’s changeable weather conditions. Ideally, store your lawn mower in a dry, sheltered location – a garage, shed, or even a covered patio area are preferable to leaving it exposed to rain and damp. If storing outdoors, select a location that offers some protection from direct sunlight and wind. Before storage, ensure the fuel tank is as empty as possible; draining the carburetor can also prevent fuel varnish buildup. Cover the mower with a breathable material – canvas or tarpaulin – but avoid plastic sheeting which traps moisture. To combat condensation, consider placing desiccant packs (silica gel) inside the engine compartment to absorb excess humidity.
Many common issues arise from neglecting regular maintenance or employing inappropriate cleaning methods. Overfilling the fuel tank can lead to spills and potential fire hazards; always fill to the recommended level. Using excessive force when clearing clogs can damage components like blades or spindles. Ignoring air filter cleanliness dramatically reduces engine performance and increases fuel consumption. Perhaps most significantly, failing to address corrosion promptly allows it to spread and compromise structural integrity. These issues are often preventable with consistent care.
Warning signs that require immediate attention – rather than simply more cleaning – include excessive vibration during operation, unusually high noise levels, difficulty starting the engine, or a noticeable drop in cutting performance. A whining sound from the engine could indicate worn bearings; a burning smell suggests fuel system problems. If you observe any of these symptoms, carefully inspect for obvious damage before attempting further troubleshooting yourself. Ignoring these warning signs can lead to more serious and costly repairs down the line.
Determining whether to undertake repairs yourself or call in a professional depends on your skillset, experience, and the complexity of the issue. Simple tasks like replacing air filters or spark plugs are typically manageable for DIY enthusiasts with basic tools and knowledge. However, complex repairs involving engine components, electrical systems, or blade adjustments should be left to qualified mechanics. A professional will have the necessary expertise and equipment to diagnose accurately and perform repairs safely and efficiently.
The cost of professional servicing can vary significantly depending on the type of mower and the extent of the work required. Obtaining several quotes from reputable lawn mower repair specialists is advisable before committing to any service. It's also important to factor in potential hidden costs, such as parts replacement or additional diagnostics. For minor adjustments or routine maintenance, self-diagnosis and execution can often save money, but always prioritise safety and accuracy.
Ultimately, the most reliable source of information regarding your specific lawn mower’s care requirements is the manufacturer’s own documentation – read and understand the detailed instructions provided with the product before commencing any maintenance tasks. These guidelines are tailored to the design and materials used in that particular model, ensuring optimal performance and longevity.