How to Care for & Maintain Your Brush Cutters & Strimmers
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 Electric Grass Trimmer EasyGrassCut 23 | 280 Watt, Cutting Diameter 23 cm — the best Brush Cutters & Strimmers we tested, from £26.05.
Once you’ve invested in a brush cutter or strimmer – whether it’s a lightweight cordless model like the Einhell Power X-Change Strimmer or a more powerful corded option such as the Bosch AFS Brush Cutter – ensuring its longevity means understanding how to care for it properly. Regular maintenance and careful storage will protect your investment, preventing issues with performance and extending the life of components like those found in products from brands such as WORX and Bosch. Following simple daily and seasonal routines can help keep your equipment ready for use year after year.
See the full range in Brush Cutters & Strimmers.
#1 Pick
Bosch Electric Grass Trimmer EasyGrassCut 23 | 280 Watt, Cutting Diameter 23 cm- Corded Electric
£26.05
Pros
- Mains-powered motor means no battery to charge before use
- Over 13,000 reviews make it one of the best-proven budget trimmers on Amazon UK
- Lightweight and well balanced for quick tidy-up jobs
Cons
- 23cm cutting width is narrower than larger corded rivals
#2 Pick
Einhell Cordless Strimmer with Battery and Charger 18V Power X-Change, 24cm Cutting Width, Lightweight Grass Trimmer and Lawn Edger, Includes 20 x Blades GE-CT 18 Li- Cordless (18V)
£78.09
Pros
- Comes complete with battery and charger, ready to use out of the box
- Over 5,000 reviews back up its reliability
- Converts to a lawn edger for tidy border finishing
Cons
- 24cm cutting width means more passes on larger lawns

#3 Pick
Bosch Corded Brush Cutter AFS 23-37 | 950W, Cutting Diameter Blade 23cm, Cutting Diameter Line 37cm- Corded Electric
£118.99
Pros
- Excellent review score for a corded heavy-duty strimmer/brush cutter
- Switches between a three-prong blade and cutting line for mixed terrain
- No fuel or battery charging — just plug in and go
Cons
- Mains cable restricts use to gardens near a power point
#4 Pick
WORX 20V Cordless Grass Trimmer WG163E.3 with Fast Charger | 2 x 2.0Ah Battery, PowerShare, 2-in-1 Grass Trimmer/Edger, 90° Head Pivots, Command Feed System- Cordless (20V)
£143.49
Pros
- Comes complete with two 2.0Ah batteries and a fast charger, ready to use
- Instant conversion from trimmer to wheeled edger for tidy borders
- Nearly 3,000 reviews back up its reliability
Cons
- Heavier than bare-tool trimmers once both batteries are fitted
FAQ
How often should I be cleaning my brush cutter or strimmer after each use?+
Regular cleaning is crucial for maintaining performance and extending the life of your equipment. After every use, remove accumulated grass clippings and debris from the cutting head and housing – this prevents blockages and corrosion. A quick wipe down with a damp cloth is generally sufficient, but always refer to the manufacturer’s instructions for specific recommendations.
What's the best way to deep clean my brush cutter or strimmer?+
For a more thorough cleaning, periodically (every 6-12 months depending on usage) remove all components – cutting head, shaft, and housing. Use warm soapy water with a stiff brush to scrub away stubborn dirt and grime; ensure everything is completely dry before reassembling. Following the manufacturer’s instructions for disassembly and reassembly is vital.
How should I store my brush cutter or strimmer during the winter?+
Proper storage is key to preventing damage from dampness and corrosion. Ideally, store your equipment in a dry, sheltered location, away from direct sunlight and fluctuating temperatures. If storing outdoors, cover it with a waterproof protective cover to shield it from the elements.
What are some common care mistakes that can damage my brush cutter or strimmer?+
Over-tightening of nuts and bolts can lead to premature wear and failure. Allowing grass clippings and debris to accumulate in the cutting head will cause blockages and corrosion, significantly reducing performance. Similarly, using excessive force during operation can strain components.
How can I tell if my brush cutter or strimmer needs repair?+
Regularly inspect your equipment for signs of wear, such as loose bolts, frayed cords, damaged handles, or unusual noises. Check the cutting head for dullness or damage and examine the engine oil level – low levels can indicate internal issues.
I’ve noticed a rattling noise coming from my strimmer; what does this mean?+
A rattling noise could be caused by loose components, worn bearings, or debris trapped within the cutting head. Carefully inspect the area for any obvious obstructions and ensure all fasteners are securely tightened – consult the manufacturer's instructions if you’re unsure.
My strimmer’s power cord is frayed; should I attempt a DIY repair?+
Electrical repairs should *always* be handled by a qualified electrician. A damaged power cord poses a serious safety risk and attempting a DIY fix could lead to electric shock or fire. Contact a professional for assessment and safe repair.
What’s the best way to deal with condensation buildup inside my strimmer?+
Condensation can form due to temperature changes, particularly after use in damp conditions. Before storage, allow the engine and cutting head to dry completely – ensuring adequate ventilation is important for preventing corrosion.
How does regular care affect the overall working life of my brush cutter or strimmer?+
Consistent maintenance significantly extends the lifespan of your equipment by reducing wear and tear on critical components. By diligently cleaning, storing correctly, and addressing minor issues promptly, you’ll minimize the need for costly repairs and replacements.
If I'm experiencing significant problems with my brush cutter or strimmer, should I take it to a professional repair shop?+
For complex issues or if you lack experience in servicing small engine equipment, seeking professional help is generally advisable. Qualified technicians have the expertise and tools to accurately diagnose problems and perform necessary repairs safely – this will ensure optimal performance and prevent further damage.
In depth
After each use, give your brush cutter or strimmer a quick once-over. A few moments spent wiping down the cutting head and housing can significantly extend its lifespan and prevent build-up of debris that could cause problems later. Most powered models have a rotating cutting mechanism, so ensure you’ve cleared away any tangled grass, weeds, or brambles from around it before moving on to the next area. Use a dry cloth – a microfiber one is excellent for picking up dirt and sap – to wipe down the blades and housing. Pay particular attention to where the cutting head connects to the motor; this is often where debris accumulates most heavily. Don’t forget to check the power cord (if applicable) for any signs of damage, such as fraying or exposed wires. If you spot anything concerning, unplug the unit immediately and don't attempt to use it until the issue has been addressed.
Deep cleaning your brush cutter or strimmer should be undertaken periodically, ideally every six to twelve months depending on how frequently you’re using it and the type of vegetation you’re tackling. While routine wiping is sufficient for maintaining cleanliness, a more thorough clean will remove accumulated grime, prevent corrosion, and ensure optimal performance. The majority of these machines have metal frames – often powder-coated steel – alongside plastic housings; avoid using harsh chemicals or abrasive cleaners on any of these components as they can damage the finish. Instead, use warm water and a soft brush or sponge to scrub away dirt and debris. For stubborn build-up around the cutting head, you can gently loosen it with a damp cloth, but be careful not to force anything that could damage the blades or bearings. Ensure all moving parts are completely dry before reassembling.
When undertaking a deep clean, it's wise to disconnect the battery (if electric) and unplug the machine entirely. Focus on areas prone to corrosion, such as around the motor housing, cutting head pivots, and any exposed metal surfaces. A mild solution of soapy water can be used for these specific areas – always rinse thoroughly with clean water afterwards and dry completely. Pay close attention to lubrication points; many strimmer models require occasional oiling of moving parts to maintain smooth operation. Consult your manufacturer's instructions for the correct type of lubricant to use, as different oils have varying viscosities and may be unsuitable for certain materials.
Proper storage is crucial for preserving the condition of your brush cutter or strimmer, particularly if you live in a damp climate like much of the UK. Store it in a dry, sheltered location – ideally a shed or garage – to protect it from the elements. If storing outdoors, even with a cover, condensation can be a significant problem, leading to rust and corrosion. Consider elevating the machine slightly off the ground using blocks or pallets to prevent direct contact with damp soil and grass. For extended storage (over winter), disconnect the battery and drain the fuel tank completely; old fuel can cause serious damage to the engine over time. Clean the machine thoroughly before storing it, as described above.
A common mistake is neglecting to properly dry components after cleaning. Even a small amount of moisture left behind can accelerate corrosion, especially in areas with high humidity. Always allow all parts to air-dry completely before reassembling or storing the machine. Another frequent issue is applying excessive force when cleaning around delicate mechanisms. Be gentle and patient; forcing anything could damage bearings, seals, or other vital components. Finally, never use wire brushes or abrasive pads on any part of the machine, as these can easily scratch or damage the finish.
Warning signs that your brush cutter or strimmer requires more than just cleaning include unusually loud noises, difficulty starting, erratic cutting performance, excessive vibration, and fluid leaks. A grinding noise often indicates a problem with the cutting head – perhaps a worn blade or damaged bearing. If you notice any of these issues, don't continue using the machine without first investigating the cause. Ignoring small problems can lead to more significant and costly repairs down the line. Similarly, check regularly for signs of corrosion, particularly around the motor housing and cutting head. Rust is a clear indication that protective measures need to be taken immediately.
If you’re unsure about diagnosing or repairing any issues yourself, it's often best to consult a qualified professional. A trained mechanic will have the expertise and tools to accurately identify the problem and carry out the necessary repairs safely and effectively. However, for relatively minor maintenance tasks, such as blade sharpening or occasional lubrication, many users can confidently tackle these themselves with the correct tools and knowledge. Don’t attempt complex repairs unless you're comfortable working with mechanical equipment; safety should always be your top priority.
Consider the size and power of your brush cutter or strimmer when deciding whether to undertake a repair yourself. Smaller, lighter models are generally easier to work on than larger, more powerful ones. Also, factor in the complexity of the machine; some models have intricate designs that require specialized tools and knowledge to disassemble and reassemble correctly. If you're unsure about any aspect of the repair process, it’s always better to seek professional assistance. Remember, attempting a complex repair without the proper skills could result in further damage or personal injury.
Always refer to the specific manufacturer's care instructions for your particular model. These instructions will provide detailed guidance on maintenance tasks, recommended lubricants, and any other relevant information specific to your machine. Adhering to these recommendations is crucial for ensuring optimal performance, extending the lifespan of your brush cutter or strimmer, and preventing potential problems.