STIHL MS 261 C-M Professional Chainsaw 4.1 HP M-Tronic 16 18 20 Inch Bar

Professional Forestry Power with Intelligent Engine Management

The STIHL MS 261 C-M Professional Gas Chainsaw is designed for forestry professionals, arborists, loggers, and landowners who require dependable power, outstanding cutting performance, and advanced technology. Equipped with STIHL’s renowned M-Tronic™ electronic engine management system, this professional chainsaw automatically adjusts fuel delivery and ignition timing to ensure optimal performance under changing environmental conditions.

Powered by a robust 50.2cc engine producing 4.1 horsepower (3.0 kW), the MS 261 C-M delivers the strength needed for demanding forestry work, tree felling, limbing, firewood processing, and large-scale cutting projects. Its lightweight design and outstanding power-to-weight ratio allow operators to work longer with less fatigue while maintaining maximum productivity.

Built for daily professional use, the MS 261 C-M incorporates a highly efficient long-life air filtration system with pre-separation technology that significantly reduces maintenance requirements by keeping dirt away from the main air filter. This extends service intervals and helps maintain peak engine performance even in dusty working environments.

Whether you’re working in forests, managing large properties, or handling commercial tree care operations, the STIHL MS 261 C-M delivers the durability, efficiency, and intelligent performance professionals depend on.

Key Features & Benefits

Advanced STIHL M-Tronic™ Technology

• Automatically adjusts engine settings in real time
• Optimizes fuel mixture and ignition timing
• Adapts to temperature, altitude, and fuel quality changes
• Eliminates manual carburetor adjustments

Powerful Professional Engine

• High-performance 50.2cc two-stroke engine
• Produces 4.1 HP (3.0 kW) of cutting power
• Excellent torque and acceleration
• Ideal for forestry and heavy-duty cutting applications

Outstanding Power-to-Weight Ratio

• Lightweight professional design
• Exceptional maneuverability during long work sessions
• Reduces operator fatigue
• Maximizes productivity in demanding environments

Long-Life Air Filtration System

• Advanced pre-separation filtration technology
• Doubles the interval between air filter cleanings
• Improves engine protection
• Reduces maintenance downtime

Professional Cutting Performance

• Compatible with 16″, 18″, and 20″ guide bars
• .325″ chain pitch for aggressive and efficient cutting
• Excellent for felling, bucking, limbing, and firewood processing
• Designed for high-volume cutting applications

Anti-Vibration System

• Reduces vibration transfer to the operator
• Enhances comfort during extended operation
• Improves control and cutting accuracy
• Minimizes fatigue during demanding tasks

Easy Starting System

• Decompression valve reduces pulling effort
• STIHL ElastoStart™ starter handle absorbs shock
• Faster and smoother starting process
• Increased convenience in all working conditions

Durable Professional Construction

• Rugged magnesium and polymer housing
• Built for daily professional use
• Corrosion-resistant components
• Long-lasting reliability under tough conditions

Enhanced Safety Features

• STIHL Quickstop® chain brake
• Side-access chain tensioner
• Professional bumper spikes for increased cutting control
• Tool-free fuel and oil caps

Technical Specifications

Why Choose the STIHL MS 261 C-M?

✔ Professional-grade forestry chainsaw
✔ Advanced STIHL M-Tronic™ engine management
✔ Powerful 4.1 HP cutting performance
✔ Exceptional power-to-weight ratio
✔ Long-life air filtration system
✔ Reduced vibration for improved comfort
✔ Easy starting with decompression valve and ElastoStart™
✔ Durable construction for daily professional use
✔ Compatible with multiple guide bar lengths
✔ Trusted STIHL reliability and performance