The 10 Best Petrol Chainsaws Offers in UK - April 2026

When it comes to cutting firewood, a petrol chainsaw is an excellent choice due to its power and portability. However, with so many options on the market, it can be challenging to determine which one is the best for your needs. In this article, we'll explore some of the key features to look for in a petrol chainsaw for cutting firewood and recommend some top picks.

One of the most important things to consider when choosing a chainsaw for cutting firewood is its engine size. A larger engine provides more power, which is necessary for cutting through thicker, denser pieces of wood. Additionally, a larger engine can help reduce fatigue by allowing you to work more quickly and efficiently. Look for a saw with an engine size of at least 50cc, but preferably closer to 70cc or more.

Another crucial feature to consider is the length of the chainsaw's blade. For cutting firewood, a blade length of 16-20 inches is generally recommended. This length provides a good balance between power and maneuverability. A longer blade can be more cumbersome and challenging to handle, while a shorter blade may not be powerful enough for the job.

The weight of the chainsaw is also worth considering. While a heavier saw may seem more durable and powerful, it can be challenging to handle for extended periods, leading to fatigue and possible injury. Look for a saw with a weight of around 12-14 pounds for optimal comfort and maneuverability.

One top pick for a petrol chainsaw for cutting firewood is the Husqvarna 455 Rancher. This saw features a 55.5cc engine, a 20-inch blade, and a weight of just over 12 pounds. It also has a highly responsive and easy-to-use design, making it ideal for both novice and experienced users.

Another excellent option is the Stihl MS 271 Farm Boss. This saw has a 50.2cc engine, a 20-inch blade, and a weight of just over 13 pounds. It also features an ergonomic design, anti-vibration technology, and a side-access chain tensioner for easy adjustments.

In conclusion, a petrol chainsaw is an excellent choice for cutting firewood due to its power and portability. When choosing a chainsaw, look for a saw with a larger engine size, a blade length of 16-20 inches, and a weight of 12-14 pounds for optimal comfort and maneuverability. Consider top picks such as the Husqvarna 455 Rancher and Stihl MS 271 Farm Boss, both of which offer excellent performance and user-friendly features.

A petrol chainsaw is a powerful tool that helps you to clear out large trees in your garden or orchard. It saves time and energy, but only if you maintain it properly. Regular maintenance will keep the chainsaw in good condition, and ensure that it lasts for a long time. Here are some tips on how to properly maintain a petrol chainsaw.

1. Inspect the Chain Regularly

The chain is the most crucial part of the chainsaw, and it needs to be taken care of properly. Regularly inspect the chain to ensure that it doesn't have any visible damage. Make sure that it is properly lubricated, and tighten it if necessary.

2. Clean the Air Filter

The air filter is another essential component of the chainsaw, and it needs to be cleaned regularly. A dirty air filter will reduce the efficiency of the engine and may cause damage to it. Clean the air filter by removing it from the chainsaw and washing it with soap and water.

3. Check the Spark Plug

The spark plug is an integral part of the engine, and it needs to be checked on a regular basis. A dirty or damaged spark plug will affect the performance of the engine and cause it to consume more fuel. Remove the spark plug and clean it with a wire brush or replace it if necessary.

4. Check the Fuel Filter

The fuel filter prevents dirt and debris from entering the carburetor and damaging the engine. A clogged fuel filter will reduce the efficiency of the engine and may cause it to stall. Check the fuel filter regularly and replace it if necessary.

5. Use Fresh Fuel

Petrol chainsaws require fresh and clean fuel to function properly. Old or stale fuel can clog the carburetor and cause damage to the engine. Always use fresh fuel, and avoid using old fuel that has been stored for a long time.

6. Sharpen the Chain

A dull chain will reduce the efficiency of the chainsaw and make it difficult to cut through wood. Sharpen the chain regularly with a file to ensure that it cuts smoothly. A sharp chain will also reduce the stress on the engine and make it last longer.

In conclusion, maintaining a petrol chainsaw requires regular inspection and cleaning of its various components. Spend some time and effort to follow these maintenance tips and you will be able to keep your chainsaw in good condition for a long time. A well-maintained chainsaw will not only save time and energy, but it also ensures your safety when you are working with it.

The ideal size of the bar and chain for a petrol chainsaw is largely dependent on the intended use of the chainsaw. For most homeowners, a chainsaw with a bar length of 16-18 inches and a chain pitch of .325 inches is suitable for most cutting tasks. Larger bars can be more difficult to maneuver and can be more tiring to use, especially for extended periods.

For professional users, a bar length of 20-32 inches may be required for larger trees or more intensive cutting tasks. However, longer bars require more powerful engines to drive the chain effectively, so it's important to consider the power of the chainsaw when selecting a longer bar.

The chain pitch is also an important consideration when selecting a bar and chain. The pitch refers to the distance between the chain's drive links, and different pitch sizes are available. A smaller pitch size, such as .325 inches, is best for lighter duty tasks as it requires less power to drive. A larger pitch size, such as .404 inches, is better suited to more demanding cutting tasks, such as felling large trees.

When selecting a bar and chain, it's important to ensure that they are compatible with the chainsaw's engine power and weight. Using a bar and chain that are too large for the engine can result in reduced performance and increased wear on the engine. Conversely, using a bar and chain that are too small can result in increased wear on the chain and bar, reducing their lifespan.

Ultimately, the ideal size of the bar and chain for a petrol chainsaw will depend on the specific needs of the user and the tasks they will be performing. By considering the bar length, chain pitch, and engine power, users can select a chainsaw that provides the optimal balance of performance and ease of use.

A petrol chainsaw is a powerful tool when it comes to woodcutting. However, it can also be a dangerous one when you don't follow its safety procedures. Therefore, it's important to follow a few simple steps to ensure you operate the machine safely.

Firstly, before you start the chainsaw, make sure you are wearing the necessary protective gear such as a hard hat, earplugs or earmuffs, goggles or face shield, gloves, and protective clothing. This can help prevent injury from flying debris, noise, and sawdust.

Secondly, when you start the chainsaw, ensure it's on a flat surface by placing it on the ground or a sawhorse. Before hitting the throttle, ensure the bar and chain are properly lubricated, and that the chain brake is engaged. Do not start the chainsaw while it's on your knee, as it can be dangerous if the chainsaw kicks back.

Thirdly, when operating the chainsaw, make sure you have a secure and stable grip on the machine. Hold the saw with both hands, and ensure you have a firm stance and balance. Keep your feet shoulder-width apart and avoid crossing one foot over the other to prevent any accidents.

Fourthly, when cutting wood, ensure you're in a safe and clear space. Remove any debris, stones, or other objects that might cause tripping hazards or kickback. Additionally, avoid cutting wood with the chainsaw above shoulder height to minimize the risk of overreaching and losing balance.

Lastly, always be alert and cautious during operation. Keep an eye on the chainsaw's fuel level and never let it run out of gas. Avoid cutting through thick branches that are difficult to penetrate or those that are positioned in awkward angles. And always turn off the saw after use and keep it out of the reach of children.

In conclusion, operating a petrol chainsaw can be dangerous if safety procedures are not taken into account. By following these simple steps, you can ensure safe operation of the chainsaw and prevent accidents and injuries. Proper safety gear, lubrication, secure grip, safe cutting practices, and full attention are essential when operating a chainsaw.

Choosing the right oil for your petrol chainsaw is crucial to ensure its optimal performance and longevity. As a general rule, it is recommended to use a high-quality, 2-stroke engine oil that is specifically designed for use in chainsaws. This type of oil contains a unique blend of additives that provide superior lubrication and protection to the engine.

One of the key factors to consider when choosing oil for your petrol chainsaw is the oil to fuel ratio. This is the ratio of oil to petrol that you add to the chainsaw's fuel tank. Most chainsaws require a 50:1 oil to fuel ratio, which means that you should add 100ml of oil to every 5 litres of petrol. However, it is crucial to check the manufacturer's recommendations to ensure you are using the correct ratio.

Another factor to consider is the type of oil base. Two-stroke engine oils are generally available in two types- mineral-based and synthetic-based. Mineral-based oils are made from crude oil and offer basic protection to the engine. Synthetic-based oils, on the other hand, are specially designed for high-performance engines and offer superior protection and lubrication. While synthetic oils are more expensive than mineral oils, they offer better performance and longer engine life, making them a wise investment for your petrol chainsaw.

When selecting oil for your chainsaw, make sure you choose one that meets the API (American Petroleum Institute) service classification TC-W3. This classification ensures that the oil meets specific requirements for two-stroke engines, including reduced exhaust emissions and excellent lubrication.

It is important to note that you should never use motor oil or automotive lubricants in your petrol chainsaw, as these oils are not designed to meet the unique requirements of two-stroke engines. Using the wrong type of oil can cause engine damage, reduce performance and result in costly repairs.

In conclusion, when selecting oil for your petrol chainsaw, it is essential to choose a high-quality, 2-stroke engine oil that is specifically designed for chainsaws. Ensure the oil-to-fuel ratio is correct, choose a synthetic-based oil for better performance, and make sure the oil meets API classification TC-W3. By choosing the correct oil for your chainsaw, you can maximize its performance and lifespan, while avoiding costly repairs and downtime.

If you have a petrol chainsaw that won't start, it can be frustrating and a time-consuming problem to fix. However, troubleshooting the issue can save you money and time in the long run. Here are some steps to help you troubleshoot your petrol chainsaw so you can get it started quickly.

First, check the air filter. A dirty or clogged air filter can cause a chainsaw not to start. Remove the air filter cover and check the air filter for dirt and debris. If the filter is dirty, replace it, or clean it and put it back in. Dirty air filters prevent air flow to the carburetor, and the carburetor needs air to mix with fuel to run the engine.

Second, check the fuel system. Check the fuel filter for clogs or blockages. Make sure you have enough fuel in the tank, and that the fuel is fresh. Old fuel can cause your chainsaw to start running poorly or, at worst, not run at all. Drain any old fuel and replace it with fresh gas. Check the fuel lines for cracks, and replace them if necessary.

Third, check the spark plug. Remove the spark plug and check it for wear or fouling. If it is dirty or worn, replace it. A dirty or fouled spark plug can prevent ignition and cause your chainsaw not to start. Make sure the spark plug is properly gapped, and that the spark plug wire is attached properly.

Fourth, check the carburetor. The carburetor is responsible for mixing fuel and air to provide proper combustion. If the carburetor is not working properly, fuel and air will not mix properly, and your chainsaw will not start. Clean the carburetor with carburetor cleaner, and check for worn or damaged parts.

Fifth, check the ignition system. A failure in the ignition system can prevent the engine from starting. Check the ignition switch, ignition coil, and spark plug wire for damage. Replace any damaged parts, and make sure the spark is strong enough to start the engine.

In conclusion, troubleshooting a petrol chainsaw that won't start can be a complex process, but following these steps can help you diagnose and fix the problem. It is important to keep your chainsaw maintained and to address any problems as soon as possible to prevent further damage and costly repairs. Remember to wear appropriate protective gear and refer to your chainsaw's manual for specific troubleshooting tips.

Petrol chainsaws come in two types of engines: two-stroke and four-stroke. The main difference between them is the number of strokes required to complete a combustion cycle. Two-stroke engines complete the cycle in one revolution of the crankshaft, while four-stroke engines complete the cycle in two revolutions. This fundamental difference affects several facets of each engine's design, including weight, power output, emissions, and maintenance requirements.

Two-stroke petrol chainsaws are lighter, smaller, and more agile than their four-stroke counterparts. They also have a higher power-to-weight ratio, meaning they can generate more power relative to their weight. However, two-stroke engines are not as fuel-efficient as four-stroke engines, partly due to their simpler design, and partly due to the fact that they require a mix of petrol and oil to run. Two-stroke engines also produce more emissions and noise than four-stroke engines.

Four-stroke petrol chainsaws, on the other hand, are heavier and larger than two-stroke engines. They do not require a mix of petrol and oil, as they have separate reservoirs for fuel and lubricant. This enables them to be more fuel-efficient and emit fewer pollutants. Four-stroke engines have a more complex design and require more maintenance than two-stroke engines. However, they are quieter and more durable than two-stroke engines.

Both types of engines have their strengths and weaknesses, and the choice between them depends on the user's needs and preferences. For professionals who need a lightweight and powerful chainsaw for frequent use, a two-stroke engine may be more suitable. However, for homeowners who only use a chainsaw occasionally and want a quieter and more fuel-efficient option, a four-stroke engine may be a better choice.

It's worth noting that while two-stroke engines are commonly used in handheld petrol-powered tools like chainsaws, hedge trimmers, and leaf blowers, four-stroke engines are found more often in larger equipment like lawn mowers, generators, and water pumps. This is partly due to the fact that four-stroke engines are more fuel-efficient and produce fewer emissions, making them a better fit for larger and more frequent tasks.

In conclusion, the choice between a two-stroke and a four-stroke petrol chainsaw comes down to a trade-off between power and efficiency, weight and size, emissions and noise, and maintenance requirements. Each engine type has its own advantages and disadvantages, and the user's needs and preferences should dictate the final decision. As with any power tool, proper maintenance and care are essential to getting the most out of your chainsaw, regardless of the engine type.

If you own a gasoline-powered chainsaw, then you may need to adjust the carburetor at some point to ensure proper functioning. The carburetor is responsible for mixing air and fuel in the right ratio before it enters the combustion chamber. When this ratio is too rich or lean, it can cause the engine to run poorly. In this article, we will guide you on how to adjust the carburetor on a petrol chainsaw.

Before you adjust the carburetor, make sure that the air filter is clean and the spark plug is in good condition. Also, check to see if there is any damage to the fuel lines or fuel filter. Once you have eliminated these issues, you are ready to adjust the carburetor.

The first step is to locate the carburetor adjustment screws. There are usually three screws on the carburetor: the idle screw, the high-speed screw, and the low-speed screw. You can refer to the manufacturer's manual to find the exact location of the screws on your chainsaw.

Next, you need to start the chainsaw and let it run for a few minutes to warm up. Once it is warmed up, turn off the chainsaw and locate the carburetor screws. Use a screwdriver to adjust the screws in small increments. Turn the screws clockwise to make the fuel mixture leaner and counterclockwise to make it richer.

To adjust the idle screw, start by turning it counterclockwise until the chainsaw starts to idle. If the chainsaw stalls or idles too fast, then you need to adjust the idle screw until it runs smoothly. Next, adjust the low-speed screw by turning it clockwise until the chainsaw starts to fluctuate, then turn it counterclockwise until it is running smoothly.

Finally, adjust the high-speed screw by running the chainsaw at full throttle for a few seconds and listening to the engine sound. If it sounds too high-pitched, then turn the screw clockwise until it sounds smoother. If it sounds too low-pitched or sluggish, then turn the screw counterclockwise until it sounds more appropriate.

In conclusion, adjusting the carburetor on a petrol chainsaw is a relatively straightforward process that requires some patience and attention to detail. By following the steps outlined in this article, you can ensure that your chainsaw is running at its optimum level and that you are getting the most out of your tool. Remember, always consult the manufacturer's manual for specific instructions and guidelines on how to adjust the carburetor on your particular chainsaw model.

When purchasing a petrol chainsaw, safety should be your top priority. Chainsaws, especially petrol ones, are powerful tools that can cause serious injuries if not used properly. Therefore, it is important to consider the safety features available in the chainsaw before making a purchase.

Firstly, look for a chainsaw with a chain brake. This is a safety feature that automatically stops the chainsaw if it experiences kickback or other sudden movements. Kickback occurs when the chainsaw hits a hard object or the bar gets pinched, causing the chainsaw to jerk back suddenly. A chain brake can prevent serious injuries by stopping the chainsaw when this happens.

Secondly, check if the chainsaw has anti-vibration features. Petrol chainsaws can produce a lot of vibrations that can cause fatigue and discomfort during use. Anti-vibration features, such as rubber mounts between the engine and the handle, can reduce the amount of vibration and make the chainsaw easier to handle.

Thirdly, consider if the chainsaw has a safety switch. This is a switch that needs to be pressed before the trigger can be pulled to start the chainsaw. This safety feature prevents accidental starts and ensures that the chainsaw is only operated intentionally.

Fourthly, look for a chainsaw with a throttle lockout. This is a safety feature that prevents the throttle from engaging accidentally. The lockout can be engaged by a button or lever and must be disengaged before the throttle can be used.

Lastly, ensure that the chainsaw has a properly designed guide bar and chain. The guide bar is the long, narrow piece that the chain moves along and the chain is the part of the chainsaw that does the cutting. A well-designed guide bar and chain can reduce the risk of kickback and provide better control during use.

In summary, when purchasing a petrol chainsaw, look for safety features such as a chain brake, anti-vibration features, a safety switch, a throttle lockout, and a properly designed guide bar and chain. These features can reduce the risk of injury and ensure that the chainsaw is operated safely. Always read the manufacturer's instructions and follow best practices when using a chainsaw to ensure safe and effective performance.

Before beginning to replace the chain on a petrol chainsaw, it is essential to check the chainsaw for safety and ensure that all parts are in good condition. In addition, it is crucial to choose the appropriate replacement chain for your specific chainsaw model. Once these steps are covered, it's time to begin the chain replacement process.

Firstly, release the chain brake, remove the guide bar side plate and loosen the adjusting screw or knob. This will allow you to remove the old chain from the bar. Secondly, carefully thread the new chain onto the sprocket, aligning the cutting teeth with the guide bar groove. Once in position, slide the chain around the bar and ensure that it is properly seated on the sprocket.

Next, adjust the chain tension by using the tensioning screw, knob or lever. As a general rule, the correct tension for a chainsaw chain should be such that when pulling up on the chain from the bottom, the chain should lift up approximately 1/8-1/4 of an inch from the guide bar. A firm and accurate tension is essential for safety and efficient operation.

Once the appropriate tension is achieved, carefully replace the guide bar side plate and tighten the fasteners. Then, release the brake and spin the chain around the bar manually, ensuring that it spins freely and does not bind or catch. Finally, perform a test run of the chainsaw, keeping a close eye on the chain's performance and tension. If necessary, make any final adjustments to the chain or tension.

Replacing the chain on a petrol chainsaw can seem daunting, but with careful steps and attention to details, it is a simple task that can be tackled by any user. Remember, safety should always come first, and it is crucial to choose the correct replacement chain for your specific chainsaw model. A well-maintained chainsaw chain will ensure a long lifespan of the chainsaw and help you tackle any cutting job with ease.