The STIHL MS 461 chainsaw was made for tough cutting jobs and long workdays. This professional-grade saw is up to 20% more fuel-efficient than the MS 460 STIHL MAGNUM®, but delivers every ounce of the power. Now you can spend more time cutting and less time (and money) on re-fueling. ItĘs ideal for all-around professional forestry and tree care projects, including felling, limbing and bucking of larger diameter trees. And with all that extra cutting, we made sure the MS 461 features our heavy-duty HD-2 filter technology for longer run times between air filter maintenance. This is the saw you need to cut down the hassles of cutting.
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The decompression valve, also referred to as 'deco' or 'deco valve', vents compression in the cylinder for easier starting. The decompression valve temporarily reduces the compression in the combustion chamber during cranking and helps reduce the effort needed to pull the starter rope. It is opened manually and closes automatically as soon as the engine fires.
The IntelliCarb™ Compensating Carburetor is designed to automatically adjust the air/fuel ratio when the air filter becomes restricted or partially clogged and maintains the engine's correct RPM. IntelliCarb™ uses air from the clean side of the air filter to control the diaphragm and flow of fuel. As the air filter becomes dirty and less air is available for the carburetor, the IntelliCarb™ system adjusts the fuel flow to compensate for the decrease in air flow. This is in contrast to typical carburetors that utilize this air from the "dirty" side of the air box.
The side-access chain tensioner makes it much more convenient for the user to adjust the saw chain with a bar wrench as opposed to the typical location of the guide bar adjustment screw.
The ElastoStart™ starter handle is an exclusive feature of STIHL. It is a starting grip with a built-in shock absorber that helps reduce the effort when pulling on the starter cord. The ElastoStart™ starter grip noticeably reduces the sudden peak forces (compression) normally felt during cranking. The forces which occur at the grip after the first compression stroke are smoothed out.
Simply lift the lever and twist the caps to remove or tighten. There's no need to use a tool to tighten or loosen.