Stihl MS500i" 20" Chainsaw

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Stihl MS500i" 20" Chainsaw Description

The first ever chainsaw with STIHL Injection Technology. The best power-to-weight ratio on the market, and the simplest operation. Ideally suited for the harvesting and processing of large timber. All thanks to its unique lightweight design and outstanding acceleration. New bumper spikes, HD2 filter, captive nut on the sprocket cover for easy chain change, controlled-delivery oil pump, and tool-free fuel cap for safe and easy filling with fuels and lubricants. The built-in sensors and engine mapping give optimum engine performance and acceleration at all times under all use conditions. Simply prime the machine using the primer bubble, and pull, no choke required. 

Stihl MS500i" 20" Chainsaw Features

STIHL Injection  - STIHL injection technology enables the MS 500i to achieve extremely high performance with extraordinarily low displacement and low weight. The saw uses innovative technology to achieve rapid acceleration from 0 to 100 km/h in an unbelievable 0.25 seconds. The powerful saw is ready to use right away. Sensors measure air pressure and internal and external temperature, and pass information on to the control unit. This can use the identified values to determine the optimum fuel quantity and ignition timing.

Best power-to-weight ratio - Its revolutionary chainsaw engine technology, and resulting intelligent lightweight construction result in the best power-to-weight ratio on the market. The optimised design – with lightweight sprocket cover, more compact engine unit, flywheel with a low design height, and a reduced-weight crankshaft adapted to the low weight of the flywheel – makes work significantly more comfortable. The MS 500i is ideal for heavy timber felling, cutting into lengths, and pruning.

Sensor-controlled fuel metering - In addition to the external temperature sensor, the MS 500i also has a pressure and internal temperature sensor in its engine. This measures the environmental pressure on start-up, and during operation it checks the engine temperature and pressure in the crankcase. The electrical voltage generator delivers the required speed information. The control unit processes these values, meaning that the system adapts to the conditions of use. The fuel is then dosed at the optimum level, quickly resulting in perfect running characteristics.

Tool free filler capsSpecial catches on the fuel and oil tanks for easy opening and locking without the need for tools.

Stihl 2 MIX Engine1-in-4 channel technology. The economical STIHL 2-MIX engine with 1-in-4 channel technology features a high torque over a wide speed range. The chainsaw provides fuel savings of up to 20% compared to STIHL two-stroke engines in the same performance class without 2-MIX technology. Exhaust emissions are reduced by up to 50%.

Anti-vibration systemIntense vibration at the handles of power tools can lead to long-term effects on blood vessels in the hands and arms. STIHL has therefore developed an effective anti-vibration system whereby the oscillations from the machine's engine are dampened which significantly reduces vibrations at the handles.

Stop Button FuntionAfter the machine is turned off, the control lever immediately moves back into the operating position. This allows a warm machine to be restarted again immediately.

CompensatorThis controller in the carburettor prevents the fuel-air mixture getting richer as the air filter becomes clogged. The correct quantity of fuel is delivered to the carburettor depending on the quantity of air passing through the air filter. This keeps the fuel/air ratio in the combustion mixture constant and hence also the engine power. The filter doesn't need to be cleaned until an appreciable drop in power occurs.

Very easy to start, whether starting from cold or hot - The starting process is perfect, with no need for a start position, and easy access to the purger.

STIHL 2-MIX engineThe two-stroke engine with STIHL 2-MIX technology saves up to 20 % of fuel and reduces emissions by up to 70 % compared to STIHL 2-stroke engines of the same performance class without 2-MIX technology.

HD2 filter with radial seal The new HD2 air filter, made from PET material and featuring a radial seal, prevents the intake of fine dust particles. The hermetic seal increases the service life of the engine and reduces wear.

Decompression valveThe decompression valve is part of the easy starting system. The valve should be pressed before starting to reduce the compression pressure when starting, as well as reducing the effort needed to pull the starter rope. The decompression valve is semi-automatic; it must be pressed manually before starting, but then closes automatically.

STIHL ElastoStart Due to compression pressure, jerky stresses occur when starting internal combustion engines. The damping element in the ElastoStart special starter grip alternately absorbs and releases force according to the compression pattern. The result is smooth, even starting.

Side-mounted chain tensioning - Side-mounted chain tensioning makes it easy to tension the chain safely.

Plunge guideMarking has been added to the fan housing to assist with plunge cuts. This ensures better directional control and safe use of the machine during plunge cutting.

Optimised bumper spikesThe tooth length of the bumper spikes has been adjusted to account for the radial contours of trees. The saw bites into wood even better when cutting lengths and felling.

Tool free fuel caps - Special caps to open and close the tank cap quickly, easily and without tools.

STIHL anti-vibration system - Precisely calculated buffer zones minimise the transfer of engine and saw chain vibrations to the front and rear handles. The chainsaw therefore runs noticeably smoother. This allows the user to save their strength and work longer.

Captive nuts - When changing the cutting attachment, you will not risk losing the nuts on the sprocket. The MS 261 is the first STIHL chainsaw to be equipped with the captive nuts. A great advantage for all users.

Optimised sprocket cover - The flatter, narrower sprocket cover with integrated slide rails reduces effort when pruning and ensures outstanding chip removal.

STIHL Ematic with new oil pump system - The new oil pump system allows a higher volume of oil to be delivered. This is especially useful in dusty conditions or when using a long guide bar.

Stihl MS500i" 20" Chainsaw Specification

Bar Length20"(50cm)

Displacement 79.2cc

Power Output5.0kW/6.8hp

Weight 6.2kg

Saw Chain pitch/thickness - .3/8", 1.6mm

Warranty2 Years

Stihl MS500i" 20" Chainsaw Promotions

Extend your STIHL Warranty on this product by an extra year, when you buy it with a STIHL Smart Connector. We will register this warranty extension for you if you buy, so you don't need to do anything else to extend the cover once bought. For more information please read the details here!

Stihl MS500i" 20" Chainsaw Arrange a Consultation

Please fill in your details below and we will contact you as soon as possible to discuss this machine. Please note, due to the size of this machine, we can only deliver it within a certain radius of our branches, so we will discuss this with you. 

Please tell us whereabouts you are based so we can get the relevant branch in touch with you. We have branches based in Winchester(SO22), Liss(GU33) and Sunningdale(GU20). We can only sell this item within a certain radius of our branches.

The first ever chainsaw with STIHL Injection Technology. The best power-to-weight ratio on the market, and the simplest operation. Ideally suited for the harvesting and processing of large timber. All thanks to its unique lightweight design and outstanding acceleration. New bumper spikes, HD2 filter, captive nut on the sprocket cover for easy chain change, controlled-delivery oil pump, and tool-free fuel cap for safe and easy filling with fuels and lubricants. The built-in sensors and engine mapping give optimum engine performance and acceleration at all times under all use conditions. Simply prime the machine using the primer bubble, and pull, no choke required. 

STIHL Injection  - STIHL injection technology enables the MS 500i to achieve extremely high performance with extraordinarily low displacement and low weight. The saw uses innovative technology to achieve rapid acceleration from 0 to 100 km/h in an unbelievable 0.25 seconds. The powerful saw is ready to use right away. Sensors measure air pressure and internal and external temperature, and pass information on to the control unit. This can use the identified values to determine the optimum fuel quantity and ignition timing.

Best power-to-weight ratio - Its revolutionary chainsaw engine technology, and resulting intelligent lightweight construction result in the best power-to-weight ratio on the market. The optimised design – with lightweight sprocket cover, more compact engine unit, flywheel with a low design height, and a reduced-weight crankshaft adapted to the low weight of the flywheel – makes work significantly more comfortable. The MS 500i is ideal for heavy timber felling, cutting into lengths, and pruning.

Sensor-controlled fuel metering - In addition to the external temperature sensor, the MS 500i also has a pressure and internal temperature sensor in its engine. This measures the environmental pressure on start-up, and during operation it checks the engine temperature and pressure in the crankcase. The electrical voltage generator delivers the required speed information. The control unit processes these values, meaning that the system adapts to the conditions of use. The fuel is then dosed at the optimum level, quickly resulting in perfect running characteristics.

Tool free filler capsSpecial catches on the fuel and oil tanks for easy opening and locking without the need for tools.

Stihl 2 MIX Engine1-in-4 channel technology. The economical STIHL 2-MIX engine with 1-in-4 channel technology features a high torque over a wide speed range. The chainsaw provides fuel savings of up to 20% compared to STIHL two-stroke engines in the same performance class without 2-MIX technology. Exhaust emissions are reduced by up to 50%.

Anti-vibration systemIntense vibration at the handles of power tools can lead to long-term effects on blood vessels in the hands and arms. STIHL has therefore developed an effective anti-vibration system whereby the oscillations from the machine's engine are dampened which significantly reduces vibrations at the handles.

Stop Button FuntionAfter the machine is turned off, the control lever immediately moves back into the operating position. This allows a warm machine to be restarted again immediately.

CompensatorThis controller in the carburettor prevents the fuel-air mixture getting richer as the air filter becomes clogged. The correct quantity of fuel is delivered to the carburettor depending on the quantity of air passing through the air filter. This keeps the fuel/air ratio in the combustion mixture constant and hence also the engine power. The filter doesn't need to be cleaned until an appreciable drop in power occurs.

Very easy to start, whether starting from cold or hot - The starting process is perfect, with no need for a start position, and easy access to the purger.

STIHL 2-MIX engineThe two-stroke engine with STIHL 2-MIX technology saves up to 20 % of fuel and reduces emissions by up to 70 % compared to STIHL 2-stroke engines of the same performance class without 2-MIX technology.

HD2 filter with radial seal The new HD2 air filter, made from PET material and featuring a radial seal, prevents the intake of fine dust particles. The hermetic seal increases the service life of the engine and reduces wear.

Decompression valveThe decompression valve is part of the easy starting system. The valve should be pressed before starting to reduce the compression pressure when starting, as well as reducing the effort needed to pull the starter rope. The decompression valve is semi-automatic; it must be pressed manually before starting, but then closes automatically.

STIHL ElastoStart Due to compression pressure, jerky stresses occur when starting internal combustion engines. The damping element in the ElastoStart special starter grip alternately absorbs and releases force according to the compression pattern. The result is smooth, even starting.

Side-mounted chain tensioning - Side-mounted chain tensioning makes it easy to tension the chain safely.

Plunge guideMarking has been added to the fan housing to assist with plunge cuts. This ensures better directional control and safe use of the machine during plunge cutting.

Optimised bumper spikesThe tooth length of the bumper spikes has been adjusted to account for the radial contours of trees. The saw bites into wood even better when cutting lengths and felling.

Tool free fuel caps - Special caps to open and close the tank cap quickly, easily and without tools.

STIHL anti-vibration system - Precisely calculated buffer zones minimise the transfer of engine and saw chain vibrations to the front and rear handles. The chainsaw therefore runs noticeably smoother. This allows the user to save their strength and work longer.

Captive nuts - When changing the cutting attachment, you will not risk losing the nuts on the sprocket. The MS 261 is the first STIHL chainsaw to be equipped with the captive nuts. A great advantage for all users.

Optimised sprocket cover - The flatter, narrower sprocket cover with integrated slide rails reduces effort when pruning and ensures outstanding chip removal.

STIHL Ematic with new oil pump system - The new oil pump system allows a higher volume of oil to be delivered. This is especially useful in dusty conditions or when using a long guide bar.

Bar Length20"(50cm)

Displacement 79.2cc

Power Output5.0kW/6.8hp

Weight 6.2kg

Saw Chain pitch/thickness - .3/8", 1.6mm

Warranty2 Years

Extend your STIHL Warranty on this product by an extra year, when you buy it with a STIHL Smart Connector. We will register this warranty extension for you if you buy, so you don't need to do anything else to extend the cover once bought. For more information please read the details here!