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Stihl Chainsaw MS 661 C-M

1,275.00 inc
vat

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Availability: In Stock
Est. Delivery Time: 1-3 Working Days

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STIHL M-Tronic Engine Management
Anti-Vibration System
STIHL 2-MIX Engine Technology
Ematic-System Lubrication System

Description

Stihl Chainsaw MS 661 C-M

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.

FEATURES

STIHL M-Tronic (M)
This fully electronic engine management system adjusts ignition timing and fuel metering in all operating modes. It also takes external conditions such as temperature, altitude and fuel quality into account. It ensures consistent engine performance, a constant maximum speed and superb acceleration. M-Tronic makes manual carburettor adjustments unnecessary. Thanks to electronic cold/warm start recognition, now there is only one start position on the combi-lever. The engine starts after fewer pulls and with no change of position, and can immediately accelerate up to speed – even after a cold start. M-Tronic also remembers the settings from the last time the tool was used. So when external conditions are the same, optimal engine performance is available every time you start up again.

HD2 filter
The HD2 filter is made from polyethene 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.


Reduced-emission engine technology
2-stroke engine with stratified charge. A fuel-free layer of air is created between the burned charge in the combustion chamber and the fresh charge in the crankcase, reducing the amount of fuel lost during the charge cycle. This results in more power with a lower weight, up to 20% lower fuel consumption than regular 2-stroke engines and significantly reduced exhaust emissions.

Advanced combustion technology
Four overflow channels swirl the fuel-air mix before ignition, allowing for optimum combustion and highly efficient performance. The result is lower fuel consumption and high torque across a broad rpm range.

Anti-vibration system
Intense 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.

STIHL ElastoStart
STIHL ElastoStart reduces the shock caused by the compression of the engine during starting. The compression shock is taken away from the user’s joints and muscles through a spring or rubber element in the starter handle.

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

Decompression valve
The 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.

Compensator
This 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.

Ematic chain lubrication system
The Ematic chain lubrication system ensures pinpoint lubrication of the saw chain links and guide bar rails. When used with STIHL OILOMATIC saw chain, it will provide maximum lubrication, longer wear and less oil consumption than conventional methods of chain lubrication. The Ematic system can reduce bar oil consumption by up to 50%.

Side chain tensioner
The tensioning screw can be found on the side of the chain saw through the sprocket cover. This removes the need for contact with the sharp saw chain.

Single-lever master control
All important functions such as start, choke, throttle and stop are operated via a single lever.

Specifications
Engine Size
91.1cm³
Weight
7.4 kg
Saw Chain Pitch
3/8"
Sound Power Level
118 dB(A)
Vibration level left/right
4.0/3.8 m/s²
Warranty
2 Years (Domestic Use) / 1 Year (Professional Use)
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Delivery

Orders placed via this website which are received before 12 noon will be dispatched on the same day, subject to stock availability. You will receive an e-mail confirming your goods have been dispatched with a track and trace number. Orders received between Friday to Sunday and Bank Holiday Mondays will be dispatched on next working day. If you have any queries regarding your order please contact help@rkee.ie

DELIVERY BANDS

Free delivery on purchases over €99* some exclusions apply *Free Delivery promotion only applies to products under 30kg weight (including packaging) and delivered within mainland Republic of Ireland and Northern Ireland.

BAND 1 Purchases of items between 0 – 29kg will incur a delivery charge €5.00 within Mainland Republic of Ireland and Northern Ireland.

BAND 2 Purchases of items between 30 – 49kg will incur a delivery charge of €37.50 within Mainland Republic of Ireland and Northern Ireland.Certain products such as walk behind lawnmowers are too large/heavy to dispatch with courier service and will require using a freight company. Due to the additional costs to us we are unable to offer free delivery on these products and will incur an additional delivery charge of €37.50. You must be on site to receive and sign for these deliveries.

BAND 3 Purchase of items between 50 – 200kg. Certain products such as ride on mowers, power washers and generators are too large/heavy to dispatch with courier service and will require using a freight company. Due to the additional costs to us we are unable to offer free delivery on these products and will incur an additional delivery charge of €100.00.

You must be on site to receive and sign for these deliveries.

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