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A professional chainsaw with one of the best power-to-weight ratios in the industry.

Rated 5 out of 5 by 61reviewers.
Rated 5 out of 5 by best choice of saws My wife bought me this for Christmas and it has cut down my cutting time by over 50% ...I sold my off brand saw and moved up ...the duel port muffler is extra power and let's the neighbor know my Stihl 660 is running! This cuts through 25 bundles of wood so fast its amazing...the .404 chain and 25 inch bar makes me smile every time I use it...a load of logs just seems to be a wheelbarrow size when this saw chews through it so fast! Thanks STIHL! May 26, 2013
Rated 5 out of 5 by What a saw What can i say about the 660? This saw is legendary durable powerful and dependable. The saw it self runs very smooth even when cutting. I have to say it is one of my most dependable saws. Its always been there when i need it. The nice part of have a saw like this any thing i encounter it will cut up. i just grin when some one says do you think the saw will handle it. I just grin and say i think so. They are so surprised when it handles the wood as easy as it dose. I just politely tell them its not your everyday saw. I have ran this saw a lot always puts a smile on my face when i run it. Its a saw you just enjoy running at least i do. The saw is very straight forward to work on. That s another thing old style crabs no electronics. Trust me not missing them Also love the old screw caps. I cant tell you how many times i messed with flippy caps to get them right. As long as you feed it premium fuel and synthetic oil its happy . For all that say its eats gas i say yes it dose. But for all the power it makes you have to feed the ponies well for it to run like i dose. I hate to see such a magnificent saw leave us. Stihl is going to the ms 661. It has some big shoes to fill. I hope it fills them very well. Only time will tell. One thing is for sure i will always have a MS 660 with me. I have one and no it will never be fore sale. Saws been to good to me to part with. I could never give it up It be like giving up on your best friend you just don't do it October 23, 2014
Rated 5 out of 5 by Lots of power ... Wow Plenty of power, really a great chain saw. I use it in the Mountians of Montana. Nothing this saw can't handle. What a great Saw. Can't say enough.... Really easy to crank, runs really smooth, cut through a 30" tree like butter. October 22, 2014
Rated 5 out of 5 by This user was blown away! I have never had a chainsaw out last me in a day of cutting firewood! I cut right around 4 cords and had my trailer maxed out way before this saw was done cutting. I ordered the oliomatic chain as well, and it matched the 660 in readiness! For the past 9 years, it has taken me all day to get a good trailer load of post oak firewood, I was done by lunch this year. I am going to buy a bigger trailer after letting this beast loose. The whole day I was waiting on this saw "bog" down and stop spinning while I had the full bar buried in wood and it did not. Everyone out at the ranch were quite jealous. I have never experienced anything like this and I only felt dumb for not buying one of these bad boys years ago. October 20, 2014
Rated 5 out of 5 by Brute of a Saw I've had this saw for 2 yrs. Never ran the original cylinder, sold it, and bought dual port muffler w/o spark screen, and a big bore kit (99-100CC). Had an 044 prior to this purchase with big bore kit and dual port and there is a significant difference in power. This saw can cut up a 90' 18" diameter oak in less than 15 minutes! A little heavier than the 044 but like someone else said, once in the woods with it you spend much less time cutting and handling the saw because of the power. Great saw!Very easy to maintain and disassemble due to the design principles the Germans and Austrians adhere to. With the star wrench and tee socket wrench, the entire saw can be disassembled. KTM's are designed with the same mindset...brilliant. September 28, 2014
Rated 5 out of 5 by A classic for everyday. The best saw ever made. I've owned Pro Stihl equipment since the 1980's and still own/use most of them. The MS660 and his older brother the 066 are the most sought after saws in the world. Those two models have put more timber on the ground, cut the way out of more storm emergencies and made more stick for the woodburner than any other saw in history. No other saw will ever surpass the 92 cc Stihl in that respect and most of them that were ever sold are still running. Look up chainsaw and the MS660 is the picture next to the definition. August 8, 2014
Rated 5 out of 5 by AWESOME SAW Awesome saw, takes everything i throw at it with out question! August 4, 2014
Rated 5 out of 5 by AWESOME SAW!! Have only cut about 10 cords of firewood so far with it and love it so far. Have always used Jonsereds in the past and thought my old 930 was fast till I run the 660 magnum. I put a dual port muffler on and richened up the carb and man did it wake up! The factory muffler is terrible. I know STIHL has to do what they have to do but a single pencil size port on a 92cc saw is just stupid! Saw starts MUCH better now with new muffler and carb adjustments. Used to take 7-8 pulls now starts on 3. The limiter caps on carb jets are a joke too. July 25, 2014
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