Stihl MS 650 Operator Manual


Stihl MS 650 operator manual and user instructions. PDF view online or download and print the MS650 chainsaw instructions. Clear, concise and easy to understand.

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Stihl MS 650 Operator Manual

Stihl MS 650 operator manual for the MS 650 chainsaw. PDF download operator instructions on how to use and maintain the Stihl MS 650 (650) chainsaw. Clear and concise with easy to understand diagrams detailing the safety, operating, maintaining and storing of the chainsaw.

Stihl MS 650 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.


This is the Stihl MS 650 User Guide, owner manual, instructions.

More information for the service and repair of the Stihl MS 650 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 Stihl MS 650 chainsaw.

Adjusting Stihl MS 650 Carburetor

Stihl MS 650 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 650 Chainsaw Specifications


Single cylinder two-stroke engine

Displacement: 5.2 cu. in. (84.9 cm3)
Bore: 2.05 in. (52 mm)
Stroke: 1.57 in. (40 mm)
Engine power to ISO 7293: 6.4 hp (4.8 kW) at 9,500 rpm
Idle speed: 2,500 rpm
The maximum permissible speed with bar and chain: 13,500 rpm

Ignition system

Electronic magneto ignition (breakerless)
Spark plug (suppressed): NGK BPMR 7 A, Bosch WSR 6 F
Electrode gap: 0.02 in. (0.5 mm)

Fuel system

All position diaphragm carburetor with an integral fuel pump
Fuel tank capacity: 27.9 fl.oz (0.825 l)

MS650 Chain lubrication

Fully automatic, speed-controlled oil pump with reciprocating piston other manual oil flow control
Oil tank capacity: 12.2 fl.oz (0.36 l)


dry, without bar and chain: 16.5 lbs. (7.5 kg)

Cutting attachment

Rollomatic E guide bars
Bar lengths: 20, 25, 28, 32 or 36 in. (50, 63, 70, 80 or 90 cm)
Pitch: 3/8″ (9.32 mm)
Groove width: 0.050 in. (1.3 mm)
Sprocket nose: 10-tooth
STIHL reduced kickback guide bars
Bar lengths: 20, 22, 25, 28, 32 or 36 in. (50, 55, 63, 70, 80 or 90 cm)
Pitch: 3/8″ (9.32 mm)
Groove width: 0.063 in. (1.6 mm)
Sprocket nose: 10-tooth

Stihl MS 650 Operator Manual PDF

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