This professional STIHL® MS Series Gas-Powered 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.

This item may be purchased at select Northern Tool stores. Not available for online order at NorthernTool.com.
What’s Included

(1) STIHL MS Series Chainsaw — 20in. Bar, Model# MS 261 C-M
Features + Benefits
4 HP gas-powered 50.2cc engine

20in. bar with 0.325in. RM 3 chain pitch

Decompression valve vents compression in the cylinder and helps reduce the effort needed to pull the starter rope for easier starting

Anti-vibration system minimizes vibration levels for comfortable handheld use and reduced operator fatigue

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

Pre-separation air filtration system technology boosts the efficiency of the engine’s filter system, doubling the time between air filter cleanings

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
Attribute

Specification
item#
638531
Brand
Stihl
Manufacture’s Warranty
1 year limited warranty
Ship Weight
10.8 LB
Bar Length
20 in
Engine Displacement
50.2 cc
Chain Pitch
0.325
Chain Gauge
0.05 in
Fuel Capacity
16.9 oz
Attribute

Specification
Power Type
Gas
Horsepower
4
Case Included
No
Oil Capacity
9.13 oz
Oil Fuel Mix Ratio
50:1
Low Vibration Handle
Yes
Tool-Less Chain Tensioning
No
Product Weight
10.8 lb