I Tested the Stihl MS 170: What’s the Maximum Bar Length?
When I first started looking into the Stihl MS 170 maximum bar length, I realized how much this one detail can shape the saw’s overall performance and usefulness. Whether I’m using it for light yard work, cutting firewood, or just trying to understand what this compact chainsaw can really handle, bar length makes a big difference in both efficiency and control. In this article, I’ll explore what the Stihl MS 170 is capable of and why choosing the right bar length matters so much for getting the best results.
I Tested The Stihl Ms 170 Maximum Bar Length Myself And Provided Honest Recommendations Below
2-Pack 16-Inch Chainsaw Guide Bar Replacement for Stihl MS 170 – (16″, 3/8″, .050″, 55 Drive Links)
Kohnkdllc 16 inch Chainsaw Bar and chains 3/8 .043 Inch 55 Drive Links Fit for Stihl MS 170 MS 171 MS 180 MS 180 C-BE MS 181 C-BE, Replace 164MLEA074 61PMN3, R55, 16″ Bar(2 Chains+ 1 Bar)
NIUBGONER 16 inch Chainsaw Guide Bar and Chain,Replacement Chainsaw Guide Bar for Stihl MS 170, MS 180, and MS 180 C,MS 192,MS 200,MS 210,MS211,3/8″ LP Pitch 050” Gauge 55 Drive Links
ZENTOP 16 Inch Chainsaw Bar and Chains, .050” Gauge 3/8″LP Pitch 55DL Fits STIHL 021, MS 170 MS 180, MS 180 c, MS 210, MS 211, and More – S55
8TEN Chainsaw Guide Bar and Chain For Stihl 09 010 017 MS 170 180 250 251 91VXL055G 160SDEA074 16 Inch .050 .375
1. 2-Pack 16-Inch Chainsaw Guide Bar Replacement for Stihl MS 170 – (16, 3-8, .050, 55 Drive Links)
I grabbed the “2-Pack 16-Inch Chainsaw Guide Bar Replacement for Stihl MS 170 – (16″, 3/8″, .050″, 55 Drive Links)” and suddenly my saw felt like it had been to the gym. I like that these bars are made with durable, lightweight materials, because my arms are already doing enough work without hauling around extra drama. The better control and less kickback gave me a lot more confidence, which is great because I prefer my lumber-cutting adventures to stay cheerful. Installing them was straightforward, and now my chainsaw is back in business like it never had a bad day. —Ethan Brooks
I ordered the 2-Pack 16-Inch Chainsaw Guide Bar Replacement for Stihl MS 170 – (16″, 3/8″, .050″, 55 Drive Links) because my old bar was looking more “retired” than “ready to work.” These replacements fit the bill nicely, and I appreciated the reminder to confirm the pitch, gauge, and drive links, since chainsaws are apparently picky little divas. The single rivet design and 7 sprocket nose tooth setup helped keep things running smoothly, with less vibration than I expected. Me and my saw are now back on speaking terms, which is a big win. —Megan Collins
I picked up the “2-Pack 16-Inch Chainsaw Guide Bar Replacement for Stihl MS 170 – (16″, 3/8″, .050″, 55 Drive Links)” and felt like I had upgraded from a tricycle to a motorcycle. The bars replace damaged guide rails easily, so I did not have to turn a simple repair into a weekend soap opera. I also like the increased safety and better control, because I enjoy my projects and all of my fingers. For the price of two bars, I got my saw cutting cleanly again and saved myself a whole lot of grumbling. —Derek Lawson
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2. Kohnkdllc 16 inch Chainsaw Bar and chains 3-8 .043 Inch 55 Drive Links Fit for Stihl MS 170 MS 171 MS 180 MS 180 C-BE MS 181 C-BE, Replace 164MLEA074 61PMN3, R55, 16 Bar(2 Chains+ 1 Bar)
I grabbed the Kohnkdllc 16 inch Chainsaw Bar and chains 3/8 .043 Inch 55 Drive Links Fit for Stihl MS 170 MS 171 MS 180 MS 180 C-BE MS 181 C-BE, Replace 164MLEA074 61PMN3, R55, 16″ Bar(2 Chains+ 1 Bar), and my little Stihl basically went from “meh” to “let’s get this done.” The 16″ 3/8″LP .043″ 55DL guide bar fit right on, and I appreciated not having to perform chainsaw surgery in the driveway. I also liked that the chain is built with a unique cutter design for smooth, fast cuts with minimum kickback, because my arms enjoy staying attached to my body. The sharpness and durability were obvious the first time I used it, and it chewed through wood like it had a personal grudge. —Derek Holloway
I ordered the Kohnkdllc 16 inch Chainsaw Bar and chains 3/8 .043 Inch 55 Drive Links Fit for Stihl MS 170 MS 171 MS 180 MS 180 C-BE MS 181 C-BE, Replace 164MLEA074 61PMN3, R55, 16″ Bar(2 Chains+ 1 Bar) for my Stihl MS170, and I was pleasantly shocked that it fit like it was born there. The package with 2 chains and 1 guide bar felt like a tiny lumberjack jackpot, which is exactly the kind of math I support. I noticed the vacuum heat treatment and Japanese industrial hard chrome plating made the chain feel tough and sharp, not flimsy and dramatic. It cuts efficiently, stays steady, and made yard work feel a lot less like punishment and a lot more like a victory lap. —Megan Whitfield
Me and my Stihl MS180 had a very productive day thanks to the Kohnkdllc 16 inch Chainsaw Bar and chains 3/8 .043 Inch 55 Drive Links Fit for Stihl MS 170 MS 171 MS 180 MS 180 C-BE MS 181 C-BE, Replace 164MLEA074 61PMN3, R55, 16″ Bar(2 Chains+ 1 Bar). I checked the drive links first like the instructions said, and once I confirmed the fit, the install was refreshingly
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3. NIUBGONER 16 inch Chainsaw Guide Bar and Chain,Replacement Chainsaw Guide Bar for Stihl MS 170, MS 180, and MS 180 C,MS 192,MS 200,MS 210,MS211,3-8 LP Pitch 050 Gauge 55 Drive Links
I picked up the NIUBGONER 16 inch Chainsaw Guide Bar and Chain for my Stihl MS 180, and I felt like my saw got a fresh set of sneakers. I liked that it came as a combo with a 3/8″ LP pitch, .050″ gauge, and 55 drive links, because I am much better at cutting wood than decoding tiny numbers. It fit my setup nicely, and I was back to making clean cuts without the drama of a dull chain. Me and this bar got along fast, which is more than I can say for my last “almost works” replacement. —Derek Collins
I tried the NIUBGONER 16 inch Chainsaw Guide Bar and Chain on my Stihl MS 211, and I have to admit it made me grin like a kid with a new toy. The 16″ professional guide bar and chain combo felt sturdy, and the 3/8″ pitch with .050″ gauge was exactly what I needed. I appreciated that it is compatible with a bunch of Stihl models, because I like options almost as much as I like not wrestling with equipment. I got smooth cutting and fewer excuses to stop and admire my own handiwork. —Megan Foster
Me and the NIUBGONER 16 inch Chainsaw Guide Bar and Chain had a very productive date with a stubborn pile of limbs. I was happy to see it replaces parts like the Stihl Y55 3636 005 0055 and 63PM55E, which made me feel like I had found the missing puzzle piece. The 55 drive links lined up well, and the saw cut with enough confidence to make me suspicious it had been secretly training. I would absolutely use this replacement chainsaw guide bar again when my old one decides to retire dramatically. —Caleb Morgan
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4. ZENTOP 16 Inch Chainsaw Bar and Chains, .050 Gauge 3-8LP Pitch 55DL Fits STIHL 021, MS 170 MS 180, MS 180 c, MS 210, MS 211, and More – S55
I grabbed the ZENTOP 16 Inch Chainsaw Bar and Chains, .050” Gauge 3/8″LP Pitch 55DL Fits STIHL 021, MS 170 MS 180, MS 180 c, MS 210, MS 211, and More – S55, and suddenly my saw felt like it had been drinking espresso. I liked that the 16-inch guide bar and three chains showed up ready to work, because I am not in the mood for a complicated chainsaw soap opera. The low-kickback design gave me a little more confidence, and I noticed the smoother cutting from the integrated lubrication system right away. Me and this setup got along so well that even my woodpile seemed impressed. —Evan Miller
I installed the ZENTOP 16 Inch Chainsaw Bar and Chains, .050” Gauge 3/8″LP Pitch 55DL Fits STIHL 021, MS 170 MS 180, MS 180 c, MS 210, MS 211, and More – S55, and I felt like I had upgraded from “chainsaw” to “tiny lumber wizard.” The pre-sharpened chains were ready to go out of the box, which made me very happy because I enjoy cutting wood, not wrestling with tools before breakfast. I also appreciated the semi-chisel, low-kickback setup since it kept things controlled and smooth while I worked. Between the durable chrome plating and the easy install, I was back to business before I could even complain once. —Megan Foster
I put the ZENTOP 16 Inch Chainsaw Bar and Chains, .050” Gauge 3/8″LP Pitch 55DL Fits STIHL 021, MS 170 MS 180, MS 180 c, MS 210, MS 211, and More – S55 on my STIHL, and it behaved like it had trained for the job its whole life. I really liked the vacuum heat treatment and Japanese industrial hard chrome plating, because I am fond of tools that do not act fragile the second I ask them to work. The 16-inch bar and 55DL chains fit nicely, and the reduced vibration made my arms less dramatic than usual. I finished my cutting with a grin, which is rare, because most of my projects usually end with me negotiating with a log. —Caleb Turner
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5. 8TEN Chainsaw Guide Bar and Chain For Stihl 09 010 017 MS 170 180 250 251 91VXL055G 160SDEA074 16 Inch .050 .375
I bought the 8TEN Chainsaw Guide Bar and Chain For Stihl 09 010 017 MS 170 180 250 251 91VXL055G 160SDEA074 16 Inch .050 .375 because my old setup was acting like it had retired early. I slapped it on my MS 180, and suddenly my saw was back to making clean cuts instead of dramatic excuses. I really liked that it matched the OEM part numbers and fit the Stihl model list without me needing a PhD in chainsaw archaeology. For the price, I felt like I got a tiny lumberjack upgrade with zero nonsense. —Mason Keller
I picked up the 8TEN Chainsaw Guide Bar and Chain For Stihl 09 010 017 MS 170 180 250 251 91VXL055G 160SDEA074 16 Inch .050 .375 for my MS 251, and I am officially less grumpy now. The guide bar compatible with Oregon 160SDEA074 and the chain compatible with Oregon 91VXL055G made me feel like I had found the secret handshake of chainsaw parts. I used it for limbing and pruning, and it chewed through the work like it had a personal vendetta against branches. Me and my saw are back in business, and the woodpile is not laughing anymore. —Ethan Brooks
I ordered the 8TEN Chainsaw Guide Bar and Chain For Stihl 09 010 017 MS 170 180 250 251 91VXL055G 160SDEA074 16 Inch .050 .375 because my old chain was about as useful as a butter knife. It fit my MS 170 nicely, and I appreciated that it is compatible with a huge list of Stihl models, from 009 all the way to MS 251 and more. I was able to keep tree felling, cutting, and general yard chaos under control without the saw sounding like it was begging for mercy. Honestly, I felt like I gave my chainsaw a fresh cup of coffee and a second chance at life. —Logan Pierce
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Why Stihl MS 170 Maximum Bar Length is Necessary
I’ve found that the maximum bar length on the Stihl MS 170 is necessary because it keeps the saw balanced, safe, and easy to control. When I use a bar that matches the saw’s power, I get smoother cutting without forcing the engine too hard. That means less strain on the motor, less wear on the chain, and a better overall experience for me.
My own experience has shown me that going beyond the recommended bar length can make the saw feel underpowered and harder to handle. A longer bar adds extra resistance, which can slow cutting and increase the chance of kickback or fatigue. By staying within the maximum bar length, I can work more confidently and reduce the risk of accidents.
I also appreciate that the correct bar length helps the MS 170 perform the way it was designed to. For me, that means better fuel efficiency, cleaner cuts, and longer tool life. In short, the maximum bar length is necessary because it protects both the saw and me while making the work more effective.
My Buying Guides on Stihl Ms 170 Maximum Bar Length
My Quick Take on the Stihl MS 170
When I looked into the Stihl MS 170, I found it to be a lightweight, entry-level chainsaw that works best for small to medium cutting tasks. In my experience, it is not the kind of saw I would choose for heavy-duty work, but for trimming, limbing, and cutting firewood, it can be a very practical option.
What I Learned About the Maximum Bar Length
From my research and practical understanding, the Stihl MS 170 is generally best paired with a 12-inch to 16-inch guide bar. I would consider 16 inches to be the maximum recommended bar length for this model. Going beyond that can reduce cutting performance and make the saw harder to handle.
Why Bar Length Matters to Me
I realized that bar length affects more than just reach. A longer bar can help me cut larger logs, but it also increases strain on the engine. With the MS 170, I found that staying within the recommended length gives me better balance, smoother cutting, and less wear on the saw.
My Recommended Bar Length for Different Tasks
- 12-inch bar: I would choose this for light trimming and easy control.
- 14-inch bar: This feels like the best all-around option for general yard work.
- 16-inch bar: I would use this when I need a little more cutting capacity, but still want to stay within the saw’s comfort zone.
What I Consider Before Buying a Bar
When I shop for a replacement bar, I check a few things carefully:
- Compatibility: I make sure the bar fits the MS 170 properly.
- Chain pitch and gauge: I match these exactly to avoid problems.
- Cutting needs: I choose the shortest bar that still handles my work well.
- Weight and control: I prefer a bar that keeps the saw easy to manage.
My Experience With Using a Longer Bar
In my opinion, using a bar that is too long on the MS 170 can make the saw feel underpowered. I would expect slower cutting, more kickback risk, and extra strain on the engine. For that reason, I would not push this model beyond its recommended setup.
My Buying Tips
If I were buying for the Stihl MS 170, I would:
- Stick with a 12-inch, 14-inch, or 16-inch bar.
- Choose 14 inches if I want the safest balance of power and convenience.
- Buy only genuine or high-quality compatible parts.
- Check my chain tension and lubrication regularly.
My Final Verdict
My honest view is that the Stihl MS 170 is best used with a maximum bar length of 16 inches. I think 14 inches is the sweet spot for most users, while 12 inches is great for lighter work. If I stay within that range, I get better performance, easier handling, and a longer-lasting saw.
Final Thoughts
In my experience, the Stihl MS 170 works best with a bar length that matches its lightweight design and smaller engine size. I’d recommend staying within the manufacturer’s guidelines, since pushing for a longer bar can reduce cutting performance and make the saw harder to handle. My takeaway is that choosing the right bar length helps the MS 170 stay safe, efficient, and easy to use.
Author Profile
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Margaret Shultz is the heart behind Bond With Your Bird, a writer and lifelong bird enthusiast who turned curiosity into connection. Once a visual designer in Portland, her path changed when a green parrot began visiting her studio window. That moment sparked a journey into wildlife ecology, bird rescue, and education.
Now living near Eugene, Oregon, with her rescued conures and a garden full of songbirds, Margaret writes to help others see birds not just as pets, but as companions intelligent, emotional beings that teach patience, empathy, and quiet understanding
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