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Stihl Chainsaw MS Series—25in. Bar, 91.1cc, 3/8in. Chain Pitch, Model# MS 661 C-M 25

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$567.67
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Product Description

  • 7.2 BHP gas-powered 91.1cc engine
  • 25in. bar with 3/8in. chain pitch and 0.050in. chain gauge
  • M-Tronic™ Intelligent Engine Management System eliminates low and high speed carburetor adjustment screws, compensating for a dirty air filter, changes in elevation and fuel quality to deliver optimum engine power at all times
  • Environmentally conscious Reduced-Emission Engine Technology produces zero to low exhaust emissions, performing cleaner than EPA and/or CARB exhaust emission standards
  • ElastoStart™ starter handle has a starting grip with a built-in shock absorber that helps reduce effort when pulling on the starter cord

Product Summary

This professional STIHL® MS Series Chainsaw is as tough as it is technologically smart. Delivers exceptional power-to-weight ratio and fuel efficiency plus a unique engine management system that optimizes engine performance and compensates for changes in operating conditions such as temperature, elevation, fuel quality, and dirty air filters.

Features + Benefits

  • 7.2 BHP gas-powered 91.1cc engine
  • 25in. bar with 3/8in. chain pitch and 0.050in. chain gauge
  • M-Tronic™ Intelligent Engine Management System eliminates low and high speed carburetor adjustment screws, compensating for a dirty air filter, changes in elevation and fuel quality to deliver optimum engine power at all times
  • Environmentally conscious Reduced-Emission Engine Technology produces zero to low exhaust emissions, performing cleaner than EPA and/or CARB exhaust emission standards
  • ElastoStart™ starter handle has a starting grip with a built-in shock absorber that helps reduce effort when pulling on the starter cord
  • Adjustable Automatic Oiler allows the user to adjust the lubricant of the guide bar and saw chain for different bar lengths and cutting conditions
  • Anti-vibration system minimizes vibration levels for comfortable handheld use and reduced operator fatigue
  • Lift and twist toolless fuel and oil cap with retainer eliminates the need for a tool when refueling
  • Side-access chain tensioner is very easy to get to, making it much more convenient for the user to adjust the saw chain with a bar wrench
  • Decompression valve vents compression in the cylinder and helps reduce the effort needed to pull the starter rope for easier starting
Key Specs
Item# 63877
Brand Stihl
Manufacturer's Warranty 12 months parts / 12 months labor
Ship Weight 24.64 lbs
Bar Length 25
Engine Displacement (cc) 91.1
Chain Pitch 3/8
Chain Gauge 0.050
Horsepower 7.2
Fuel Capacity (oz.) 27.9
Gas:Oil Fuel Mix Ratio 50:1
Oil Capacity (oz.) 12.2
Chain Brake Yes
Oil Pump Flow Adjustable
Low Vibration Handle Yes
Tool-Less Chain Tensioning No
Case Included No
Product Weight 16.3

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