Stihl MS660 

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Weight -16.5 lbs
Engine HP -7.0 bhp
Engine Displacment -91.6 cc
Bar Lengths -16" to 36"
Chain Width -3/8

Same great features as the MS 660 with a value price. This professional saw includes an Intellicarb™ compensating carburetor, ElastoStart™ starter handle, decompression valve and much more. Wrap-handle version (R) also available. *This saw is basicly a MS650 thats been tuned for higher output at the expense of emissions.

More  Professional Chain Saws
Stihl MS361 Husqvarna 362
Stihl MS441 Husqvarna 570
Stihl MS460 Husqvarna 575XP
Stihl MS650 Husqvarna 385xp
Stihl MS660 Husqvarna 385xpg
Stihl MS880 Husqvarna 395xp
Stihl MS260 Pro Husqvarna 395xpg
Echo CS-8000 Husqvarna 3120Xp
Echo CS-670 Jonsered CS2165
Echo CS-520 Jonsered CS2171
Husqvarna 460 Jonsered CS2186
Husqvarna 359


12
Review
Reviewed by:
Anderson
Review Date
3/8/2008

Overall Rating: 5
Reliability: 5
Performance: 5
Ease of Use: 5
Accessories: 5

Summary:
This saw goes thru large diameter wood fast. Its production capacity is unprecedented.

Strengths:
Awesome power and performance. Durable well built quality worth the price of ~$1K.

Weaknesses:
None.

Used product for 3+ Years
Purchased From JA Mower
Review
Reviewed by:
Anonymous
Review Date
8/11/2008

Overall Rating: 5
Reliability: 5
Performance: 5
Ease of Use: 5
Accessories: 3

Summary:
would not buy anything else again

Strengths:
POWER! wow best power to weight ratio on the market, great saw for everything

Weaknesses:
a tad heavy after running one for 8 hours

Used product for 30-Days
Purchased From
Review
Reviewed by:
J HOADLEY
Review Date
3/28/2009

Overall Rating: 4
Reliability: 4
Performance: 5
Ease of Use: 4
Accessories: 4

Summary:
BAR NONE THE BEST BANG FOR YOUR BUCK CAN'T BE BEAT BY ANYTHING OTHER THAN IT'S BIG BROTHER THE MS880

Strengths:
WILL CUT ANY TREE YOU PUT IT AGAINST I RUN A 36" BAR ON MINE I TRULY THINK IT COULD HANDLE A BIGGER BAR AWESOME POWER AWESOME DESIGN VERY EFFICIENT FOR THE POWER YOU HAVE

Weaknesses:
STIHL DOESN'T MAKE A CASE TO PROCTECT THE INVESTMENT MADE

Used product for 2-Years
Purchased From MEAD LUMBER NORFOLK,NE
Review
Reviewed by:
Anonymous
Review Date
4/1/2009

Overall Rating: 5
Reliability: 5
Performance: 5
Ease of Use: 5
Accessories: 5

Summary:
Really a great saw that will handle anything you need to do.

Strengths:
Lots of power, it is truly the KING of saws. It is especially awesome with the duall port muffler cover that gives it a reported extra .5 to .8 HP.

Weaknesses:
None that I have found

Used product for 1-year
Purchased From F. B. McAfoos, Benton, IL
Review
Reviewed by:
S Staley Bentleyville PA
Review Date
4/26/2009

Overall Rating: 5
Reliability: 5
Performance: 5
Ease of Use: 5
Accessories: 5

Summary:
Best of the best

Strengths:
Absolutely love this saw,best running saw I ever owned.Run a 32 inch bar with 404 rapid super and it just eats the hardest woods.I use mine to slice the wood into pieces instead of splitting it,this saw cut dead black locust logs faster sideways than most saws cut cherry normally. Stihl is number one in my book.

Weaknesses:
noe

Used product for 2-Years
Purchased From M. Ragans Hardware Atlasburg PA
Review
Reviewed by:
Ricky J
Review Date
7/3/2009

Overall Rating: 5
Reliability: 5
Performance: 5
Ease of Use: 5
Accessories: 5

Summary:
Brilliant!

Strengths:
powerful

Weaknesses:
every one wants to borrow the darn thing!

Used product for 2-Years
Purchased From online
Review
Reviewed by:
jimmy nolte
Review Date
10/15/2009

Overall Rating: 5
Reliability: 5
Performance: 5
Ease of Use: 5
Accessories: 5

Summary:
beats all saws any day even the boses 880

Strengths:
very powerful i love it i have a 32" bar

Weaknesses:
none at all

Used product for 180-Days
Purchased From individual
Review
Reviewed by:
Robin
Review Date
10/28/2009

Overall Rating: 4
Reliability: 5
Performance: 5
Ease of Use: 4
Accessories: 5

Summary:
Excellent saw, although I would not recommend as an only saw for anybody.

Strengths:
Very good saw for the larger timer, or for cutting larger stumps. Excellent power to weight ratio, good dollar value when you consider what you are getting.

Weaknesses:
A bit heavy for some users - if using all day. Consumes more fuel than the 441 or 361.

Used product for 3+ Years
Purchased From McLaren Equipment
Review
Reviewed by:
Frank
Review Date
11/16/2009

Overall Rating: 5
Reliability: 5
Performance: 5
Ease of Use: 5
Accessories: 4

Summary:
Best, Greatest, Most Awesome, Super Star Quality, Work horse of a saw I have ever and will ever Own.

Strengths:
Pure Power, Immediate Throttle response, Super high Torque, Goes through Harwoods like a knife throough Butter, I love this saw

Weaknesses:
Couldn't really think of one.... No available Storage case?

Used product for 30-Days
Purchased From Sherwoods Power Equipment
Review
Reviewed by:
Anonymous
Review Date
5/14/2010

Overall Rating: 5
Reliability: 5
Performance: 5
Ease of Use: 4
Accessories: 4

Summary:
cant think of any better saw! they hwo think its to heavy is maby djust not man enough!,,,

Strengths:
i bought one allmost a year ago and i still havent found 1 thing to complain about,,, if its to heavy ill just have lift some more weights,jummy!

Weaknesses:
if any, the chain could run out of oil if youure cutting whith pushing chain insted of pulling, then i mean large wood!

Used product for 1-year
Purchased From
Review
Reviewed by:
Jeff
Review Date
6/27/2010

Overall Rating: 4
Reliability: 5
Performance: 5
Ease of Use: 4
Accessories: 5

Summary:
This is a professional use saw, made to be used everyday. Too much saw for the occasional use homeowner. I recommend this saw for the professional woodcutter. The saw does get heavy after several hours of use but it will not fatigue the user due to the anti-vibration. I found this saw to balance well with the 25" bar. Using a 36" bar makes the saw a little unwieldy but still very powerful. I have used a Husqvarna XP395 for a day of large pulp cutting and I have personally found the Stihl MS660 to be a superior chainsaw.

Strengths:
Robust. Very powerful. Balances well with the 25" bar. Excellent anti-vibe. Versatile saw using different length bars. Utterly reliable. Well built saw. Made for professional use; Retail price reflects it.

Weaknesses:
None found yet.

Used product for 1-year
Purchased From Meyer Ace Hardware
Review
Reviewed by:
L.B.jack
Review Date
9/8/2010

Overall Rating: 5
Reliability: 5
Performance: 5
Ease of Use: 5
Accessories: 5

Summary:
if u can only afford one saw this one is it

Strengths:
best power to weight saw on the market,will not disapoint

Weaknesses:
NONE

Used product for 3+ Years
Purchased From
Review
Reviewed by:
Anonymous
Review Date
9/28/2010

Overall Rating: 5
Reliability: 5
Performance: 5
Ease of Use: 5
Accessories: 4

Summary:
nice saw

Strengths:
almighty saw

Weaknesses:
none

Used product for 1-year
Purchased From brothers
Review
Reviewed by:
Miike F
Review Date
10/4/2010

Overall Rating: 5
Reliability: 5
Performance: 5
Ease of Use: 4
Accessories: N/A

Summary:
I'm the one who gave the Echo cs520 a bad review and said I was going to buy one of these. Well I did, and I'm not looking back. Very happy with the quality of the saw. Heavy and worth every sore muscle. Cost about $1100.00 out the door. A saw that can actually pull a 20" or larger bar as fast as you need it to. A pure joy to use for a woodsman. Wives, buy your husband one of these and he will marry you all over again!

Strengths:
Loads of power, a real honest-to-goodness pro saw that lives up to the Stihl reputation, Made in Germany. Compression release. Decent chain on the stock bar ( 25" 3/8 pitch .050 gage 84 drive links). I can cut hardwood all day as long as my arms and hands can hold out. Not really for average users, I suggest you have some cutting experience behind you before you spend the dollars on one of these. If you cut any moderate to large tree you NEED this saw! Put chisel chain or skip-tooth on it and just smile. It will rip through a 20" oak tree like nothing. Bucking the logs was like butter....

Weaknesses:
Needs the high-volume oiler as a stock feature, my standard oiler is maxed out and could use more oil, even during the summer months when the oil is thin, and this is on the stock 25" bar. Chain brake seems a little weak and the exhaust blows on it. For the money it should come with a fitted case and at least a spare chain! Injection molded cases are dirt cheap to manufacture (Are you listening Stihl??). Not crazy about the throttle going to warp 10 as soon as it fires up, this can't be good for a cold engine.

Used product for 1-year
Purchased From D&G equipment corunna mi.
Review
Reviewed by:
Stihl the king
Review Date
10/9/2010

Overall Rating: 5
Reliability: 5
Performance: 5
Ease of Use: 5
Accessories: 3

Summary:
Perfection with an orange case.

Strengths:
BAD ASS!!

Weaknesses:
tad heavy but you get use to it, and laugh when you hold a husqvarna!!

Used product for 3+ Years
Purchased From Boone tractor
Review
Reviewed by:
Mark
Review Date
10/13/2010

Overall Rating: 5
Reliability: 5
Performance: 5
Ease of Use: 5
Accessories: 5

Summary:
Buy one, and hold on!!!

Strengths:
I have over 10 saws of many brands and my 660 is the only one I use. I switch between a 20 and a 32 inch bar for red oaks, and cut all day long. Never a disappointment. Being that its of official saw of the stihl timber sports, there are so many after market and stock parts readily available.

Weaknesses:
I hate the fact I cant bring it to the job or put it to rest every night in a plastic case!

Used product for 180-Days
Purchased From All seasons Equiptment
Review
Reviewed by:
Anonymous
Review Date
11/7/2010

Overall Rating: 5
Reliability: 5
Performance: 5
Ease of Use: 5
Accessories: 4

Summary:
best power to weight ratio i`ve used to date

Strengths:
damn good saw lots of power

Weaknesses:
none

Used product for 30-Days
Purchased From outdoor power
Review
Reviewed by:
croatia
Review Date
11/27/2010

Overall Rating: 5
Reliability: 5
Performance: 5
Ease of Use: 5
Accessories: 5

Summary:
BEST OF THE BEST

Strengths:
POWERFUL !!!

Weaknesses:
NONE

Used product for 1-year
Purchased From nt prom
Review
Reviewed by:
Connor Sleight
Review Date
11/30/2010

Overall Rating: 5
Reliability: 5
Performance: 5
Ease of Use: 4
Accessories: 5

Summary:
the best STIHL you can buy .

Strengths:
i just baught my 660 from wilson hardwere and it started in two pulls. i spent some time ripping out the innerds of the exaust and porting the exaust hole. i run a 20'' bar through 41'' bars on my 660 . the simple mods made the 660 run faster than a stock 880. the best stihl hands down

Weaknesses:
no drink despenser and it didnt come with a E3 sparkplug

Used product for 30-Days
Purchased From wilson hardwere
Review
Reviewed by:
Rob Mays
Review Date
2/6/2011

Overall Rating: 4
Reliability: 3
Performance: 5
Ease of Use: 5
Accessories: N/A

Summary:
Excellent saw, only slightly let down by it's crappy chain brake!

Strengths:
Great powerful saw, munches through anything I put it to. Starts first time every time excellent power to weight ratio, more so I would say than an 880, which although is more powerful, is let down by it's lardy arse weight! The 660 has the right weight and balance to be used all day even with a 36" bar, I've even used it for felling massive willow stems from a rope and harness!

Weaknesses:
Chain brake is a bit crap, it's difficult to release and stiff to engage, the hand guard also fouls on the top of the exhaust, I've had it apart and can't find anything out of place or broken.

Used product for 2-Years
Purchased From Charlies Groundcare (Welshpool (UK))
Review
Reviewed by:
Scott
Review Date
4/1/2011

Overall Rating: 2
Reliability: 2
Performance: 5
Ease of Use: 3
Accessories: 4

Summary:
I've heard great things about the MS 660, and my MS 250 has been awesome so far, so I had great expectations. But after a short while, and three cylinders, I'm quite unhappy with this unit. I've done all I can find in the manual, not sure what to do to prevent premature destruction of what I thought was a powerful saw.

Strengths:
Great power, for awhile. I bought an Alaskan Chain Saw mill and tried it with my Stihl MS 250. It worked, but was way too slow on a 13" diameter red oak. Then I took a chance on a used MS 660 on e-bay, bought a new 36" bar and new ripping chain. That was impressive indeed! 5-10 times faster!

Weaknesses:
After about 50 square feet of cutting, chainsaw died, never to start again. Dealer confirmed a scored cylinder, so I bought a new one. After about 50 square feet of cutting with a brand new MS 660, same problem. (Dealer showed me the scored cylinder.) Stihl replaced top end under warranty and I went at another log. After 30 square feet of milling (yes, only 30 square feet) this new top end has lost compression (150 psi just dropped to 140 psi). Both scored cylinders dropped to 90 psi before failing.

Used product for 30-Days
Purchased From Zimmerman's Ace Hardware
Review
Reviewed by:
Anonymous
Review Date
4/29/2011

Overall Rating: 5
Reliability: 5
Performance: 5
Ease of Use: 5
Accessories: 4

Summary:
great saw would recommend it to anyone who is serious about cutting wood of any size.

Strengths:
Powerful enough to cut most anything, light enough to use all day with a 25 inch bar, will handle a big bar, and outperform all others in its class! balances perfectly with a 25 inch bar, and is none too shabby with a 36 inch solid bar either.

Weaknesses:
air filter clogs rapidly, thus needs to be cleaned every tank of fuel religiously.

Used product for 180-Days
Purchased From hunter macpherson
Review
Reviewed by:
Anonymous
Review Date
8/30/2011

Overall Rating: 5
Reliability: 5
Performance: 5
Ease of Use: 5
Accessories: 5

Summary:
best saw ive ever had

Strengths:
eats huskys

Weaknesses:
none

Used product for 3+ Years
Purchased From
Review
Reviewed by:
Anonymous
Review Date
9/23/2011

Overall Rating: 1
Reliability: 1
Performance: 2
Ease of Use: N/A
Accessories: 2

Summary:
not sure if I would buy another 660 .... maybe time for Husk...

Strengths:
Not good for milling "Alaskan"

Weaknesses:
Scored 2 heads so far with min. 20 ft

Used product for 2-Years
Purchased From Buttler
Review
Reviewed by:
Anonymous
Review Date
10/20/2011

Overall Rating: 5
Reliability: 5
Performance: 5
Ease of Use: 5
Accessories: N/A

Summary:
I bought saw 3 or 4 years ago and never been disapointed with it, mostly just impressed. This saw has cut alot of wood, "big trees" and as long as you have plenty of gas mixed up with you it will do it all day long. I have only owned Stihl saws, have 3, ms 660 034 super and 025 and none have let me down and left me hanging, especialy the 025 it rides on the dozer with me all the time.

Strengths:
it has got the kind of power that you want to have a good hold of. It just wont give up. You put it in the wood, try to make it stall and it just wont. I do like that. All with a 36" bar and chipper chain. It dose have the displacment of a small dirt bike though.

Weaknesses:
It dose like its gas. that will come with the horse power though.

Used product for 3+ Years
Purchased From Howards lawn garden
Review
Reviewed by:
Anonymous
Review Date
12/28/2011

Overall Rating: 5
Reliability: 5
Performance: 5
Ease of Use: 4
Accessories: N/A

Summary:
Only ran 1 tank so far.

Strengths:
Big saw powerful saw. Christmas present from my wife. I have huge white oak trees that are dying. The biggest is 6'+.. Also cut firewood for home use.

Weaknesses:
Non so far.

Used product for
Purchased From Stihl dealer
Review
Reviewed by:
Anonymous
Review Date
1/23/2012

Overall Rating: 5
Reliability: 5
Performance: 5
Ease of Use: 5
Accessories: 5

Summary:
Best saw on the market!

Strengths:
Had this saw for 2 years and use it all the time. POWERFUL!!!!!! Will own another.......

Weaknesses:
Take lots of fuel. Small price to pay for the preformance it gives

Used product for 2-Years
Purchased From
Review
Reviewed by:
Jeff Gaudette
Review Date
3/17/2012

Overall Rating: 5
Reliability: 5
Performance: 5
Ease of Use: 4
Accessories: 4

Summary:
This is a follow-up to my review from 6/27/10. This saw is still utterly reliable. I've noticed no loss of power after 3 years of use. Replaced one bar but still have the original chain, but the chain needs replacing. In my personal opinion the Stihl MS 660 Magnum & Stihl MS 360 Pro are 2 of the best chainsaws Stihl has ever made to date. Stihl makes some of the best chains in the industry also.

Strengths:
Still a very powerful saw. Starts quickly. Easy to handle. Good anti-vibe. Lots of compression; have to use the decompression button to start the saw safely when I'm tired. The elastostart handle reduces the shock from yanking over the big motor or when the saw motor kicks back when starting. Surprisingly little wood dust & chips get into the air cleaner and stay.

Weaknesses:
Goes through fuel quickly. Needs a bigger chain oiler for bars longer than 25". I wish I had received a saw case from Stihl when I purchased this saw. The oil reservoir cap has become quirky and difficult to get seated and sealed.

Used product for 3+ Years
Purchased From Meyer Ace Hardware
Review
Reviewed by:
porkchop
Review Date
5/4/2012

Overall Rating: 5
Reliability: 5
Performance: 5
Ease of Use: 5
Accessories: 5

Summary:
love this saw worth every dime you want be sorry very good investment.

Strengths:
all the power you will ever need. i have a 660 361 and 200t and love all of them. i use a 25" and 36" bar and it works great with both. if you have never used a full skip chain on it try and you want regret it less teeth and cuts faster. anti vibration works great and the air dampering system works great.

Weaknesses:
no case. i made on out of a big old cooler i had, i just cut a rectangle in the bottom of it and it works great try it.

Used product for 2-Years
Purchased From premier equipment
Review
Reviewed by:
yukon tree experts
Review Date
10/15/2012

Overall Rating: 5
Reliability: 5
Performance: 5
Ease of Use: 5
Accessories: 5

Summary:
I use this saw atleast 2hrs run time everyday almost all paint gone etc for more than 5yrs but not once has it failed me i wont own another large saw.

Strengths:
Awesome this saw has been used for 5yrs now daily and other then a pull cord chain brake and clutch 0 problems

Weaknesses:
none

Used product for 3+ Years
Purchased From ace
Review
Reviewed by:
Nealss
Review Date
2/19/2013

Overall Rating: 5
Reliability: 5
Performance: 5
Ease of Use: 4
Accessories: N/A

Summary:
Great saw. Way too much saw for the casual user and dont even think of using one if you are new to chainsaws - it could seriously mess you up. The best choice for the forestry professional.

Strengths:
Durability, power and ever logger has one. They dominate the market here in New Zealand and are highly respected. Expect a long service life if you take care of it.

Weaknesses:
The antivibration mounts are quick to fail under hard use. They are known to drink a fair bit of fuel.

Used product for 2-Years
Purchased From A forestry school dropout
Review
Reviewed by:
superrr logger
Review Date
1/4/2015

Overall Rating: 5
Reliability: 5
Performance: 5
Ease of Use: 5
Accessories: 4

Summary:
great saw for pros cuts any log you throw at it all tho i do not recommend it for homeowner use or someone new the the chsinsaw world. i cut big hardwood all day everyday with it and has never let me down. stihl bulids the best saw on the market

Strengths:
powerfull, great performce ratio, easy to start for a saw of its size

Weaknesses:
a little hard on fuel

Used product for 3+ Years
Purchased From ohio
Review
Reviewed by:
herseim
Review Date
5/24/2015

Overall Rating: 5
Reliability: 5
Performance: 5
Ease of Use: 5
Accessories: 1

Summary:
I own a 362 and the 660. combined, they are unstoppable.

Strengths:
I use this for milling and it is a powerhouse. Be smart about milling! Use a little heavier oil mix and let the saw cool or you could be blaming the saw for your own ineptitude. This saw rips planks all day for me. It's chewed thousands of board feet.

Weaknesses:
No case. Stihl... this is not a cheap saw. Get on it.

Used product for 2-Years
Purchased From jackovich in wasilla, alaska
Review
Reviewed by:
Craig Stutzman
Review Date
11/2/2015

Overall Rating: 5
Reliability: 5
Performance: 5
Ease of Use: 5
Accessories: 5

Summary:
Cuts more wood fast fast you could run out of big logs and not be able to use it any more.

Strengths:
Real power for cutting big wood twisted cross grain stumps no problem. I don't recommend it for cutting wood small like stuff it can pickup on a large bar it can throw something the size of a baseball bat. 36" bar all the time and a 361 on small wood limb with a 192t. I have owned 6 of these raced some burned up one friends gas old and bottom of the can it went lean and in about 30 seconds it was gone.

Weaknesses:
After a tank you just want to set it in a big log it can be heavy.

Used product for 3+ Years
Purchased From cristal valley power equipment
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