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The STIHL MS 311 FarmBoss® petrol chainsaw is the ideal tool for cutting firewood in medium-density groups of trees. With this powerful chainsaw farmers and horticultural specialists in particular are well equipped for their work. The STIHL 2-MIX engine impresses with an output of 3.1 kW (4.2 hp).
Pre-separation routing extends the operational time before the chainsaw needs servicing, as coarse particles are removed before they reach the filter and the filter therefore needs to be cleaned less frequently. If you additionally retrofit the optional HD2 air filter, your STIHL MS 311 petrol chainsaw will benefit from a long-life air filter system. To protect your muscles and joints, the STIHL anti-vibration system reduces engine vibrations. The following features will also help you work effectively with the STIHL MS 311 petrol chainsaw:
The decompression valve reduces the pulling force on the starter cord required to start the power tool. This makes starting easier for you and protects the engine.
The single-lever control means that you always have your right hand on the handle, making the chainsaw particularly comfortable and safe to operate.
To ensure that your chainsaw is always appropriately lubricated, the STIHL Ematic system guides the chain oil to precisely where it is needed. This also ensures economical oil consumption.
EXTENDED FILTER SERVICE LIFE. Pre-separation routing removes coarse, larger particles from the airstream before they can reach the actual filter. The HD2 filter keeps even fine dust away from the engine, ensuring a long engine service life, long cleaning intervals and easy maintenance of your chainsaw. When we refer to a long-life air filter system in chainsaws, this exclusively describes models that have pre-separation routing and an HD2 filter. With this system, you benefit from a significantly longer filter service life compared to conventional air filter systems.
MANUAL DECOMPRESSION
EFFORTLESS START-UP. The decompression valve makes it easier to start your power tool. When starting, you can allow some of the compressed mixture to escape from the cylinder by opening the valve. This protects the start-up system and reduces the amount of force required on the starter cord.
STIHL FOUR-CHANNEL TECHNOLOGY
FOR LOWER FUEL CONSUMPTION AND HIGH PERFORMANCE. Thanks to STIHL four-channel technology, you can work with your power tool with very low fuel consumption and high performance. The four overflow channels guide the fuel-and-air mixture into the cylinder in a targeted and more compressed manner, which optimally burns the fuel and significantly increases the performance of the engine.
STIHL ANTI-VIBRATION SYSTEM
Intense vibration at the handles of power tools can lead to longer-term effects of blood vessels in the hands and arms. STIHL have therefore developed an effective anti-vibration system where by the oscillations from the machines engine are dampened which significantly reduces vibrations at the handles.
COMPENSATOR
REDUCED MAINTENANCE. The compensator is a control system in the carburettor, which uses pressure compensation to ensure that engine performance, exhaust gas quality and fuel consumption remain virtually constant over a long period of time, despite increasing contamination of the air filter. You do not need to clean the air filter until there is a noticeable drop in performance. This means that you can work for a long time without maintenance.
CONTROLLED-DELIVERY OIL PUMP
OIL CONSUMPTION BASED ON NEED. The controlled-delivery oil pump reduces your chainsaw’s oil consumption by up to 50%. To use it, simply select the E position. For very long cutting attachments or very dry wood, an additional oil volume can be set by the user.
SIDE-MOUNTED CHAIN TENSIONING
FOR SIMPLE AND SECURE RE-TENSIONING. Side-mounted chain tensioning allows for protected, easy and quick chain tensioning and replacement. The tensioning screw is inserted laterally through the sprocket cover.
STIHL EMATIC SYSTEM
REDUCES OIL CONSUMPTION. The STIHL Ematic system comprises a STIHL Ematic or Ematic S guide bar, a STIHL Oilomatic saw chain and a controlled-delivery oil pump. It ensures that the chain oil gets to where it is needed for lubrication. This allows you to reduce oil consumption by up to 50%. If you often work in dusty conditions or if you use long guide bars, you can quickly and easily increase the oil quantity at any time with the new oil pump system.
TOOL-FREE FUEL CAP FOR OIL AND FUEL TANKS
QUICK AND EASY TO USE. With tool-free fuel cap, you can open and close oil and fuel tanks in just a few simple steps, thanks to a bayonet closure.
STIHL 2-MIX Engine
The STIHL 2-MIX engine is both powerful and economical. Separating the exhaust emissions from the unburnt gas minimises scavenging losses, and therefore increases the power output while reducing consumption.
The 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.
