Name: Stihl Gas-Powered Chainsaws, 20in. Bar, 50.2cc, 0.325in. Chain Pitch, Model# MS 261 C-M
SKU: 92545
Availability: InStock

Stihl Gas-Powered Chainsaws, 20in. Bar, 50.2cc, 0.325in. Chain Pitch, Model# MS 261 C-M

Estimated delivery dates: May 23, 2026 - May 28, 2026

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