Stihl MS 391 Operator Manual
Stihl MS 391 operator manual for the MS 391 chainsaw. PDF download operator instructions on how to use and maintain the Stihl MS 391 (MS391) chainsaw. Clear and concise with easy to understand diagrams detailing the safety, operating, maintaining and storing of the chainsaw.
Stihl MS 391 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 391 User Guide, owner manual, instructions.
More information for the service and repair of the Stihl MS 391 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 391 chainsaw.
Adjusting Stihl MS 391 Carburetor
Stihl MS 391 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 391 Chainsaw Specifications
Single cylinder two-stroke engine
Displacement: 64.1 cm³
Weight: 6.4 kg
Power-to-weight ratio: 1.9 kg/kW
Power output: 3.3 kW/4.5 bhp
Recomm. max. bar length: 50 cm/20″ cm
Vibration levels left/right: 4.0/4.0 m/s²
Oilomatic saw chain pitch/type: 3/8″ Rapid Micro Comfort
Sound power level: 115.0 dB(A)
Sound pressure level: 105.0 dB(A)
Stihl MS 391 Operator Manual PDF
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