Stihl MS 261 C-Q Operator Manual

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Stihl MS 261 C-Q operator manual and user instructions. PDF view online or download and print the MS261 C-Q chainsaw instructions. Clear, concise and easy to understand.

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Stihl MS 261 C-Q Operator Manual

Stihl MS 261 C-Q operator manual for the MS 261 C-Q chainsaw. PDF download operator instructions on how to use and maintain the Stihl MS 261 C-Q (MS261 C-Q) chainsaw. Clear and concise with easy to understand diagrams detailing the safety, operating, maintaining and storing of the chainsaw.

Stihl MS 261 C-Q Chainsaw Operator Manual Contents

Safety, cutting attachment, bar and chain, fuel, oil, chain brake, stopping/starting engine, adjusting carburetor, air filter, engine management, spark plug, chain sprocket, sharpening the chain, maintenance and care, specifications.

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This is the Stihl MS 261 C-Q User Guide, owner manual, instructions.

More information for the service and repair of the Stihl MS 261 C-Q chainsaw can be found in any service workshop manual, parts list, carburetor manual and any technical notes available for PDF download or online viewing on this website. Also check out any questions and answers, articles or the full specifications pages for the MS 261 C-Q chainsaw.

Adjusting Stihl MS 261 C-Q Carburetor

Stihl MS 261 C-Q chainsaw carburetor guide- The carburetor has been factory adjusted to provide the optimal engine air/fuel flow. Instructions for standard settings to adjust the idling screw, turning either clockwise or counter clockwise. Learn how to set the idling screw correctly if the engine is cutting out or idling incorrectly. Learn how to check the spark plug for a good electrical spark, cleaning or replacing if required. Air filter cleaning and replacement is described in the operator manual. Detailed carburetor PDF manuals are available from this website.

Stihl MS 261 C-Q Chainsaw Specifications

Engine

Single cylinder two-stroke engine

DISPLACEMENT: 3.06 cu.in (50.2 cc)
Bore: 1.76 in (44.7 mm)
Stroke: 1.26 in (32 mm)
ENGINE POWER: 4.0 HP (3.0 kW) at 10,000 rpm
Idle speed: 2,800 rpm
Cut-off speed: 14,000 rpm
Torque: 2.21 lbf.ft (3 Nm) at 7,000 rpm
Electronic magneto ignition
Spark plug (resistor type): Bosch WSR 6 F, NGK BPMR 7 A
Electrode gap: 0.02 in (0.5 mm)
All position diaphragm carburetor with an integral fuel pump
Fuel capacity: 16.9 fl.oz (0.50 l)
Fully automatic, speed-controlled oil pump with a rotary piston. Additional manual oil flow control
Oil tank capacity: 9.1 fl.oz (0.27 l)
Weight (without bar and chain): 10.8 lbs (4.9 kg)

MS261 C-Q Cutting attachments
Rollomatic E guide bars

Reduced kickback STIHL guide bars (with green label)
Bar lengths: 40, 45, 50 cm (16, 18, 20 in.)
Pitch: .325″ (8.25 mm)
Groove width: 1.6 mm (0.063 in.)
Sprocket nose: 11-tooth

Saw chain.325″

Low kickback STIHL saw chain (with green label)
Rapid Micro 3 (26 RM3) Type 3634
Pitch: .325″ (8.25 mm)
Drive link gauge: 1.6 mm (0.063 in)

Chain sprocket

7-tooth for .325″ (spur sprocket)

Replace spark plug with Bosch WSR 6 F or NGK BPMR 7 A.

Stihl MS 261 C-Q Operator Manual PDF

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