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MS 661 Petrol Chainsaw
Art.-NR. SA030117300
2.0 (26)
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1.754,00 €

MS 661 C-M Petrol Chainsaw: Extremely powerful 5.4kW professional saw

Very powerful high-performance saw with advanced 2-MIX technology and STIHL M-Tronic (M). This electronic engine management system regulates the ignition timing and the fuel supply and automatically registers the external temperature for optimal engine performance, great acceleration and sustained maximum torque. Extremely robust and durable with low vibration levels. Designed for professional use within forestry and big timber harvesting.
Supplied with rollomatic E guide bar, not rollomatic ES light as pictured.

Exterior design of STIHL guide bars are subject to change. Technical specifications remain the same.

P Ms661 Beschreibung

Technical details
Bar length71-90 cm
Bar length28-36 "
Displacement91.1 cm³
Power output5.4/7.3 kW/HP
Weight7.5 kg
Features

The pictures shown are sample photos. The actual appearance of the equipment features and their specific attachment to the product may differ from the pictorial representations, but will have the same functionality.

EFFORTLESS START-UP. The decompression valve makes it easier to start your 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.

SIMPLIFIED OPERATION. Only one start position is required on the combi lever. Thanks to the stop function, once the machine is turned off the control lever immediately moves back into the operating position. This allows a warm machine to be restarted immediately.

RELIABLE WORK WITH THE BEST PERFORMANCE. With STIHL M-Tronic, you’ll have the best performance from your work tool from the outset. Fully electronic engine management regulates the ignition timing and fuel metering in all work situations, taking into account external conditions such as temperature, altitude and fuel quality.

The HD2 filter is made from polyethylene filter material with up to 70% finer pores than fleece and polyamide filters to trap even very fine dust. In addition, it is oil and water-repellent and thus very easy to clean. The PET-covered filter cartridge with quick-release lock enables the filter to be assembled and disassembled in next to no time, without using tools.

HIGHLY POWER-EFFICIENT. With the STIHL 2-MIX engine, you can reduce exhaust emissions and fuel consumption, and therefore operating costs. This 2-stroke engine is low-maintenance and uses fuel efficiently even at high power levels. Use a mixture of petrol and engine oil as fuel. The STIHL 2-MIX engine complies with the strict EU Stage V emissions directive.

FOR MORE PLEASANT WORK. Vibrations can occur when you put your tools through their paces, and these are particularly noticeable in the grip area. The buffer and spring elements of the STIHL anti-vibration system reduce the transmission of engine vibrations to the handle area and therefore to your body. The result is that your tool is more comfortable to hold and your work is much less tiring.

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.

When changing the cutting attachment, you will not risk losing the nuts on the sprocket.

Allows a precise, demand-based delivery of oil. It's possible to reduce oil production by up to 50% in the E position. For very long cutting attachments or very dry wood, an additional volume of oil can be added by the user. similar to illustration.

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.

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.

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.


Reviews and ratings
2.0 (26)
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4.8
Sophie Müller
2024-08-15T12:00:00
Absolutely convincing!
Great device! I’ve been using the saw for 2 months now and I’m impressed. No more annoying gas smells, and the performance is absolutely convincing. With my two AP300 batteries, I easily get through the day. The saw is a bit heavier, but that doesn’t bother me.
4.8reliability
4.8value
4.8quality
4.8performance
4.8running time
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5.0
Max Mustermann
2024-08-15T12:00:00
Absolutely convincing!
Great device! I’ve been using the saw for 2 months now and I’m impressed. No more annoying gas smells, and the performance is absolutely convincing. With my two AP300 batteries, I easily get through the day. The saw is a bit heavier, but that doesn’t bother me.
5.0reliability
5.0value
5.0quality
5.0performance
5.0running time
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5.0
Jonas Bauer
2024-08-15T12:00:00
Absolutely convincing!
Great device! I’ve been using the saw for 2 months now and I’m impressed. No more annoying gas smells, and the performance is absolutely convincing. With my two AP300 batteries, I easily get through the day. The saw is a bit heavier, but that doesn’t bother me.
5.0reliability
5.0value
5.0quality
5.0performance
5.0running time
media-9a3da22c-81f5-492b-ad42-7e19ba2a3ef5
5.0
Lukas Weber
2024-08-15T12:00:00
Absolutely convincing!
Great device! I’ve been using the saw for 2 months now and I’m impressed. No more annoying gas smells, and the performance is absolutely convincing. With my two AP300 batteries, I easily get through the day. The saw is a bit heavier, but that doesn’t bother me.
5.0reliability
5.0value
5.0quality
5.0performance
5.0running time