Stihl 031 Operator Manual
Stihl 031 operator manual for the 031 chainsaw. PDF download operator instructions on how to use and maintain the Stihl 031 (31 series) chainsaw. Clear and concise with easy to understand diagrams detailing the safety, operating, maintaining and storing of the chainsaw.
Stihl 031 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 031 User Guide, owner manual.
More information for the service and repair of the Stihl 031 chainsaw can be found in the service workshop manual, parts list 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 031 chainsaw.
Adjusting Stihl 031 Carburetor
Stihl 031 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. A carburetor PDF manual is available from this website.
Stihl 031 Chainsaw Specifications
SERIES OR ASSEMBLY NUMBER: 1113
YEAR INTRODUCED: 1971
ENGINE DISPLACEMENT: 48ccm (2.93 cu. in.)
CYLINDER BORE: 44mm (1.73 in.)
PISTON STROKE: 32mm (1.26 in.)
CYLINDER TYPE: Aluminum with a chrome-plated bore
INTAKE METHOD: Piston ported
WEIGHT: 6.6 kg (14.5 lbs.) powerhead only
MAGNETO TYPE: Bosch flywheel magneto latter series Transistorized
CARBURETOR: Tillotson HU-3C, G series
MAJOR REPAIR KIT: RK-14HU
MINOR REPAIR KIT: DG-2HU
AIR FILTER SYSTEM: Nylon mesh cartridge
STARTER TYPE: Stihl automatic rewind
OIL PUMP: Automatic
MAXIMUM ENGINE RPM: 12,000
IDLE RPM: 2,700
IGNITION TIMING: 2.0 to 2.3mm (0.008 to 0.009 in.) before TDC
BREAKER POINT SETTING: 0.35 to 0.40mm (0.014 to 0.016 in.)
SPARK PLUG TYPE: Bosch WSR6F, Champion RCJ7Y
SPARK PLUG GAP: 0.51mm (0.020 in.)
CRANKSHAFT MAIN BEARINGS: Ball
FUEL TANK CAPACITY: 540ml (18.25 fl. oz.)
FUEL OIL RATIO: 40:1 with Stihl oil
RECOMMENDED FUEL OCTANE: Regular
MIX OIL SPECIFICATION: Stihl two-cycle chain saw mix oil
CHAIN PITCH: 3/8 in.
SHORTEST GUIDE BAR SUPPLIED: 35cm (14 in.)
LONGEST GUIDE BAR SUPPLIED: 50cm (20 in.)
Stihl 031 Operator Manual PDF
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