MS 171 - $199.95 DSRP



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A lightweight, fuel-efficient chainsaw with reduced-emission engine technology.

One of a new generation of occasional use saws, the MS 171 STIHL chainsaw features reduced-emission engine technology — an advantage for the user because it reduces fuel consumption while reducing exhaust emissions. This innovative chainsaw is just right for homeowners who need to cut firewood, fell small trees or do clean up.
Print Spec Sheets
MS 171 Specifications
DISPLACEMENT 31.8 cc (1.94 cu. in.)
ENGINE POWER 1.3 kW (1.7 bhp)
POWERHEAD WEIGHT 4.3 kg (9.5 lbs.)
FUEL CAPACITY 280 cc (9.5 oz.)
CHAIN OIL CAPACITY 180 cc (6.1 oz.)
OILOMATIC® CHAIN 3/8" PMM3
GUIDE BAR LENGTHS* (Recommended ranges) 30 to 40 cm (12" to 16")
STIHL ROLLOMATIC® E
POWER SOURCE Gas
STIHL recommends #3610 (61 PMM3 55) OILOMATIC® saw chain and 16" 3005 000 3913 Ematic™ guide bar combination. The actual listed guide bar length can vary from the effective cutting length depending upon which powerhead it is installed.
Model Features
  • Zoom
    Reduced-Emission Engine Technology - Caring for Nature
    The STIHL Inc. “Caring for Nature” seal identifies its powered products that are more environmentally conscious, producing zero or low exhaust emissions. STIHL Inc. defines “low exhaust emissions” as being cleaner than EPA and/or CARB exhaust emission standards.

    More Information

  • Zoom
    Built in the USA
    Indicates products that are built in the United States from domestic and foreign parts and components.

    More Information

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    Anti-Vibration System
    STIHL has developed a system for minimizing the vibration levels of handheld outdoor power equipment. The STIHL anti-vibration system helps reduce operator fatigue and provides a more comfortable working experience.
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    Side-Access Chain Tensioner
    The side-access chain tensioner makes it much more convenient for the user to adjust the saw chain with a bar wrench as opposed to the typical location of the guide bar adjustment screw.
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    Toolless fuel and oil caps with retainers
    Simply lift the lever and twist the caps to remove or tighten. There‘s no need to use a tool to tighten or loosen.
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    Translucent Fuel Tank
    Allows operator to easily check fuel level before starting work.
Standard Features
  • Zoom
    Common Features for Chainsaws
    View the features common to many STIHL chainsaws.

Important Information
* The actual listed guide bar length can vary from the effective cutting length based on which powerhead it is installed on.
Note: STIHL recommends use of fuel with no more than 10% Ethanol content. Using fuel with greater than 10% Ethanol content may cause damage to your equipment and may void your STIHL warranty. Learn More…
WARNING! Improper use of any power tool may cause serious or fatal injury. Read, understand and follow carefully the operating and safety instructions in your instruction manual before using such products.

STIHL products sold through U.S. STIHL Dealers are for distribution in the United States only.
Click to view the STIHL Limited Warranty Time Periods
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    •2.6 oz. bottle makes 1 gallon mix

    •5.2 oz. bottle makes 2 gallon mix

    •6.4 oz. bottle makes 2 1/2 gallon mix

    •12.8 oz. bottle makes 5 gallon mix

    STIHL recommends a mix of 50:1 high-quality 89 octane or higher unleaded gasoline to STIHL engine oil. This same mix ratio should be used during break-in.

  • Bar and Chain Oil Zoom
    Bar and Chain Oil
    STIHL Bar and Chain oil is formulated to adhere to the bar and chain, and to reduce wear. Special agents in the oil formulation help keep sap and pitch from clinging to the bar and chain.

    Available in quart and gallon bottles, 5 gallon pails and 55 gallon drums, in both summer and winter weights.

  • Complete Filing Kits Zoom
    Complete Filing Kits
    Kits available for the following chain types: STIHL PICCO Mini; 1/4" pitch chain; .325" pitch chain; 3/8" pitch chain; .404" pitch chain.
    Includes file guide, depth gauge, round file, flat file and two file handles in tool pouch.
    Chain Pitch File Diameter File Guide
    Part Number
    Sharpening Kit
    Part Number
    in. mm in. mm Part Number
    3/8 PMN 9.32 5/32 4.0 0811 411 8073

    5605 750 4327

    5605 007 1026

    1/4
    3/8 PM
    6.35
    9.32
    5/32 4.0 0811 411 8091

    5605 750 4327

    5605 007 1027

    0.325 8.25 3/16 4.8 0811 412 8088

    5605 750 4328

    5605 007 1028

    3/8 9.32 13/64 5.2 0814 243 3384 5605 750 4329

    5605 007 1029

    0.404 10.26 7/32 5.5 0811 412 8108 5605 750 4330

    5605 007 1030

For Your Safety
  • Woodcutter Zip Chap Zoom
    Woodcutter Zip Chap
    Using rows of heavy-duty zippers, the Woodcutter Series Zip Chaps provide full wrap-around protection for a user’s lower leg area. In addition to enhanced protection, these chaps also provide enhanced convenience. Rows of zippers run along the entire inseam of the chaps, helping to ensure an effective fit that is easy to put on and/or remove. The outer material is crafted from heavy-duty Black 500 denier nylon fabric. Inside, the chap features six layers of Avertec® Pro by Engtex® cut retardant material, designed to reduce the risk or severity of injury to body parts in the event of contact with the rotating saw chain on a gasoline-powered chainsaw.
  • Woodcutter Helmet System Zoom
    Woodcutter Helmet System
    The lightweight STIHL Woodcutter Helmet System is an excellent choice for budget-conscious non-professional users with chainsaws and pole pruners. Designed for comfort, the vented shell provides cooling air during use, and the 6-point mount suspension provides comfortable support. The STIHL Woodcutter Helmet System is Class G certified and includes NRR 22 hearing protection.

STIHL Dealer Days are Ending Soon!

MS 171 is rated 4.3 out of 5 by 112.
Rated 5 out of 5 by from Excellent saw This saw performs as per its design, it's easy to start and cuts well. I am completely satisfied with it and the dealer whom I bought it from.
Date published: 2017-05-15
Rated 5 out of 5 by from Everything i expected and more.. After comparing the MS 171 to a couple others this one fit the bill the best.I didn't want a saw from a big box store, I wanted dealer support.I bought the saw a case and the oil, to double the warranty. I figured why not double up the warranty , I need oil any way.So I headed to the yard to clean up the fallen trees from the wind storm. I set the saw down, cranked it like the dealer showed me, and it did exactly what the dealer said it would .Fired right up.So I headed into the minor disaster and started carving up everything in my path.from small limbs to a couple tree`s about 9 or 10 inches across.Ripped right through everything.I set it down and restarted it several times. every time it re fired first pull.From some of the reviews I saw it was supposed to be underpowered. Totally not the case.The only time it bogged was when I was pushing down on it.just let the saw do the work.I couldn't have been more impressed, plenty of power, re fired every time.
Date published: 2017-05-06
Rated 5 out of 5 by from Great for around the property clean up. I have about 5 acres of woods/lawn and this chainsaw is perfect for taking out the dead trees and cleaning up anything that falls.
Date published: 2017-05-03
Rated 1 out of 5 by from ms 171 chainsaw Have used 3 ms170 chainsaws for years at a lumberyard couple times a week . 1 broke after years of use the stihl dealer said it was time to get a new saw and sold us a ms171 starts hard feels cheap have had back to dealer 3 times in one year don't use only when have to not the saw that the ms 170 was .if you cant get the ms170 don't buy the ms171 maybe the next bigger size saw is better.
Date published: 2017-05-01
Rated 2 out of 5 by from Good for pruning only If you intend to do any cutting 4" or more,advise you to spend a bit more and get a commercial saw. Of course stihl does have the best small motors. I have many other products all work very very well. Would not buy this chain saw. Nutter hardware Ohio refused my exchange as well. Buyer be ware!
Date published: 2017-04-27
Rated 2 out of 5 by from Works when it wants Saw is overrated it should only be used for pruning branches bar bends to easy put Oregon bar on it works better not worth the money at all last stihl I will buy ever cheap plastic grip broke after a year only ran about 3 tanks through it
Date published: 2017-04-20
Rated 5 out of 5 by from Best Saw. This is the best saw I have ever owned. I have owned Poulan, Homelite before and they didn't hold up to the work.
Date published: 2017-04-19
Rated 1 out of 5 by from The 171 I purchased is not very good, Len's Ace Hardware is worse. Difficult to start. Takes a while to warmup. Purchased from Len's and their return policy is very poor for power equipment. You may not return the product once you put gas and/or oil in the product. They actually put in both to start the product in the store. The young man doing this had a hard time starting the machine. Once I used the product I had a hard time starting the machine too and took a few starts to stay started. Went to exchange the product for the 180 model (my poor product is the 171), they would not. DO NOT PURCHASE FROM LEN'S ACE HARDWARD for this reason. Owned a 180 before and was very happy with that, this 171 is not very good at all.
Date published: 2017-04-18
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