Stihl MS 171 Specifications

Stihl MS 171 Specifications

The Stihl MS 171 chainsaw has been a reliable tool for homeowners, farmers, and landscapers since its introduction in the early 2000s. Over the years, it has undergone several updates and improvements to enhance its performance and user experience. The latest version of the MS 171 chainsaw features a powerful yet fuel-efficient engine, reduced-emission technology, and several user-friendly features. Whether you need to cut firewood, prune trees, or tackle tough landscaping jobs


Engine typeSTIHL single cylinder two-stroke engine
Engine displacement1.94 cu. in. (31.8 cm3)
Bore1.6 in. (38 mm)
Stroke1.1 in. (28 mm)
Engine power to ISO 72931.7 hp (1.3 kW) at 10,000 rpm
Spark plugNGK CMR6H (suppressed)
Ignition systemElectronic magneto ignition (breakerless)
Fuel systemAll position diaphragm carburetor with integral fuel pump
Fuel tank capacity9.1 fl.oz (0.27 l)
Chain lubricationFully automatic, speed-controlled oil pump with rotary piston
Oil tank capacity9.0 fl.oz (0.265 l)
Idle speed2,800 rpm
Maximum permissible speed with bar and chain13,500 rpm
Weight (dry, without bar and chain)9.5 lbs. (4.3 kg)
EPA/CARB emission compliance periodCARB Moderate (50 hours)
Recommended cutting attachmentsRollomatic E guide bars (MS 171, MS 171 C), Reduced kickback STIHL guide bars (with green label), 3/8″ P saw chain (MS 171, MS 171 C), Picco Micro Mini 3 (61 PMM3) saw chain (MS 171, MS 171 C)
Stihl MS 171 Chainsaw Specs


The updated Stihl MS 171 chainsaw comes with improved features to deliver powerful cutting performance with enhanced user comfort and convenience. Here are the key features:

  • 30.8 cc engine with reduced emissions and fuel consumption
  • 1.3 kW power output and 3.3 kg/kW power-to-weight ratio for efficient cutting
  • STIHL Ematic system reduces chain lubricant consumption by up to 50%
  • Single-lever master control for easy operation of start, choke, throttle and stop functions
  • Tool-free fuel caps for quick refueling without tools
  • Retrofitted with STIHL ElastoStart for smooth and easy engine starting
  • STIHL Quick Chain Tensioning (B) for easy and tool-free adjustment of saw chain tension

Stihl MS 171 Different Versions

Stihl MS 171 chainsaw comes in a few different versions that cater to different user needs. These versions differ in their bar length, chain pitch, and other features. The standard version of the MS 171 comes with a 16-inch guide bar, while the MS 171 C-BE version comes with a 16-inch bar but also includes the Stihl Easy2Start system for effortless starting. There is also an MS 171 FSE electric version, which is ideal for noise-sensitive areas, and a 14-inch bar version of the MS 171, which is great for light-duty work.

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