Stihl MS 661 C-M Petrol Chainsaw – 20″ / 25″ / 36″ Rollomatic® Guide Bar & .325″ RS Saw Chain | Professional Forestry Saw – Pahel Agrotech
Stihl MS 661 C-M Petrol Chainsaw – 20″ / 25″ / 36″ Rollomatic® Guide Bar & .325″ RS Saw Chain | Professional Forestry Saw – Pahel Agrotech
Type
Petrol
Capacity
91.1 CC
- 🪓 91 cm³ high-displacement engine – delivers 6 kW of peak power.
- ⚡ Easy2Start™ system – effortless pull-cord starting.
- 🔗 Rollomatic® guide bars – choose 20″, 25″ or 36″ for any job.
- ⚙️ Tool-free chain tensioning – side-mounted quick adjustments.
Benefits
- Professional Power: High output meets heavy-duty forestry demands
- Versatile Use: Multiple bar lengths adapt to felling, limbing or storm cleanup
- On-Site Efficiency: Easy start and maintenance features minimize downtime
- Built to Last: Durable components handle years of rugged use
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Regular price
Rs. 110,000.00
Sale price
Rs. 110,000.00
Regular price
Rs. 140,000.00
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1 Year warranty
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MS 661 Chainsaw with 20/25/36 inch Guide bar & Saw Chain
Model | Stihl MS 661 C-M |
Engine Displacement | 91.1 cm³ |
Rated Power Output | 6.4 kW (8.6 bhp) |
Guide Bar Length | 20″ / 25″ / 36″ (Rollomatic®) |
Saw Chain | .325″ RS Oilomatic® |
Fuel Tank Capacity | 0.75 L |
Chain Oil Capacity | 0.34 L |
Weight (Powerhead Only) | 6.6 kg |
Starter System | Easy2Start™ recoil |
Anti-Vibration System | Four-point STIHL damping |
Chain Tensioning | Side-access, tool-free quick tensioning |
Chain Lubrication | Speed-controlled automatic oil pump |
Recommended Bar Range | 20″–36″ |
Carburettor Pre-Heating
FOR RELIABLE OPERATION EVEN IN WINTER. Thanks to carburettor preheating, you can work reliably with your chainsaw even in winter. You can change the operation from summer to winter mode in just one simple step. In the winter setting, pre-heated intake air flows around the carburettor, preventing it from icing up.
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.
STIHL Anti-Vibrational System
FOR MORE PLEASANT WORK. Vibrations can occur when you put your power 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 power tool is more comfortable to hold and your work is much less tiring.
STIHL Quick Chain Tensioning
RE-TENSION THE SAW CHAIN TOOL-FREE. Thanks to STIHL Quick Chain Tensioning, you can tension your saw chain quickly and without tools, thanks to the adjusting wheel. Turning the adjusting wheel to the left releases tension on the saw chain, and turning the adjustment wheel to the right tensions the saw chain. The guide bar will be automatically secured when you tighten the sprocket cover.
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.
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.
STHIL 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.
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.
STHIL Ematic System

Single-lever master control

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