Stihl FS46 

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Engine Displacment -27.2cc
Engine Power -1.01hp
Weight -9.3lbs
Included Head -Bump - Easy Fill
Driveline -Cable
Stock Line Size -.080
Easy Start? -FS46C

Lightweight and powerful, the FS 46 has an extra-long shaft (L) to make trimming jobs easier for taller users. With dual line, TapAction™ AUTOCUT® cutting head. Can use either nylon line or a PolyCut™ head. STIHL's famous Quad Power™ engine is standard

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58
Review
Reviewed by:
Anonymous
Review Date
5/25/2007

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

Summary:
Excellent machine. Expensive, but you get what you pay for.

Strengths:
Plenty of power. Fairly easy to start. More reliable than the cheaper brands.

Weaknesses:
Black fuel line tends to deteriorate. New green fuel line is much better quality.

Used product for 3+ Years
Purchased From
Review
Reviewed by:
Anonymous
Review Date
8/7/2009

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

Summary:
I have had the FS46 for approximately 4 years, and it has been an excellent trimmer. On average it is used around 5 hours each week during the trimming season, and it still starts up and runs like new. I also have a heavier duty Stihl FS80R Professional trimmer, but my FS46 has been my 'go to' trimmer for everything other than very heavy duty trimming conditions. The FS45/46 Series are excellent trimmers are an excellent choice for normal residential use, especially when you consider their lower cost.

Strengths:
Lightweight, plenty of power to cut through tall grass, the longer shaft (compared to the FS45) is more comfortable for taller users, and it is much more dependable than many other trimmers in the same price range.

Weaknesses:
I haven't had any problem, except for replacing the original 'black fuel line' with the higher quality 'green line'.

Used product for 3+ Years
Purchased From
Review
Reviewed by:
Anonymous
Review Date
4/10/2010

Overall Rating: 1
Reliability: 1
Performance: 3
Ease of Use: N/A
Accessories: 1

Summary:
Skip it - but a Weedeater brand at Walmart

Strengths:
Nice colors

Weaknesses:
Drive cable broke in first 20 minutes of use. Typical German over-engineered machinery - sophiticated, lots of down time, much like the two Mercedes I have owned. Yes it has a waranty, but I was buying a trimmer to do work - warraties dont trim my lawn. If a good-looking German hooker knocked on my door tonight I'd turn her away because she'd probably have a heart attack. BUY SOMETHING THAT WORKS

Used product for 30-Days
Purchased From Ace Hardware Keller TX
Review
Reviewed by:
Anonymous
Review Date
5/16/2010

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

Summary:
I'm really down on this model. 4 shop trips in one hour of useage time is excessive.

Strengths:
I don't know yet. I have owned my FS-46 for 3 seasons and have yet to log more than 45 minutes on the thing. It's been in the shop 3 times so far, and has to go back again. I got it back from the shop last weekend.

Weaknesses:
Seems like the carburetor that Stihl uses is junk.

Used product for
Purchased From True Value
Review
Reviewed by:
Anonymous
Review Date
6/7/2010

Overall Rating: 2
Reliability: 1
Performance: 3
Ease of Use: 2
Accessories: N/A

Summary:
frustating

Strengths:
light weight relatively inexpensive

Weaknesses:
hard to start. engine dies I have taken it to the dealer 4 times in 2 years. Even after they repair it the dealer can't get it to start in the repair shop. It stopped working again today.

Used product for 2-Years
Purchased From aigner hard ware
Review
Reviewed by:
Anonymous
Review Date
6/9/2010

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

Summary:
Awesome german engineering (I guess) for a 2-cycle trimmer.

Strengths:
plenty of power

Weaknesses:
None. i mean NONE. this thing is the bees knees!

Used product for 3+ Years
Purchased From Hagan Saw Shop
Review
Reviewed by:
JNNelsen
Review Date
6/20/2010

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

Summary:
My ratings reflect the difficulty in loading the string head, which without string, make it an orange and white lawn ornament!

Strengths:
cute orange color

Weaknesses:
String head. Either I am stupid or this head is junk! I have owned this thing for 7 years, used it less than 10 hours and have spent over 1/2 that time loading the string head or trying to load the string head. A pocket sissors would be more efficient. Runs fine, but who cares when the string keeps coming out, wrapping around the shaft, etc. It is headed to the dealer in the morning with the string wrapped around the shaft. I loaded the head per the instructions, started the trimmer and trimmed 3 feet! The sixth time it went in the back of the truck. It will be on Craig's list if I don't get some satisfaction!

Used product for 3+ Years
Purchased From
Review
Reviewed by:
Anonymous
Review Date
7/23/2010

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

Summary:
The FS46 is a good little unit when it is running the first and second years and with a new tap-&-go head. Otherwise, I would look for another trimmer.

Strengths:
The FS46 seems to have adequate power for light to medium growth, but light sedge and medium height rag weed and others are difficult to impossible to cut with this unit.

Weaknesses:
The tap-&-go head is absolute crap. I replaced the single head with the pre-cut model. This head would "sling" the pre-cut string, regardless of the size used. I finally bought one of the redesigned tap-&-go heads with the divided spool. It worked well until I had to install new line and then the same "weld" problem as with the single spool design. I went to the Stihl website, but kept getting a syntax error when I tried to submit the complaint. It is in the shop now. Seems to be a carb problem...flooding and hard starting.

Used product for 3+ Years
Purchased From Family Center {Harrisonville, Mo.]
Review
Reviewed by:
Anonymous
Review Date
6/5/2011

Overall Rating: 1
Reliability: 1
Performance: 2
Ease of Use: 1
Accessories: 2

Summary:
Overall, DONT BUY IT!

Strengths:
Cant think of any

Weaknesses:
NEVER starts, floods EVERY time. DO NOT BUY A NEW STIHL!!!!Need to figure out how to return this POS. I am sorry, I have owned hundreds of gas power units and tried every trick for these new carbs, they simply dont work.

Used product for 180-Days
Purchased From
Review
Reviewed by:
Blair L.
Review Date
4/21/2012

Overall Rating: 1
Reliability: 2
Performance: 3
Ease of Use: 3
Accessories: N/A

Summary:
Crap. I'm going back to ECHO. AT least I knew that was a piece of junk. 2 seasons, recycle.

Strengths:
I wish I knew...Mine won't stay running long enough to find out.

Weaknesses:
Bizarre way of replacing nylon line THAT DOES NOT WORK...Try it, you'll see. Really "unclear" instructions. And STIHL is supposed to be an American company...With an owner's manual written by morons in CHINA.

Used product for 1-year
Purchased From Hesperia Outdoor Power
Review
Reviewed by:
Anonymous
Review Date
3/16/2013

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

Summary:
My Stihl FS46 second rebuilt carburetor and using MotoMix is still EXTREMELY difficult to start. I am going to junk the Stihl FS46 and purchase an Echo line trimmer. I am not going to purchase another Stihl product. The fact Sthil is not longer making the FS46 speaks for itself.

Strengths:
Very good WHEN it runs.

Weaknesses:
Extremely difficult to start.

Used product for 3+ Years
Purchased From
Review
Reviewed by:
Anonymous
Review Date
5/5/2013

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

Summary:
Avoid it.

Strengths:
Looks pretty in the garage.

Weaknesses:
Supremely difficult to start. Replacement of nylon line very difficult.

Used product for 30-Days
Purchased From
Review
Reviewed by:
Anonymous
Review Date
8/18/2013

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

Summary:
I replaced my May 12, 2003 FS 46 which was stolen (it ran great) November 18, 2008 and have had carburetor problems. Using Ethanol free and then Ethanol treated gas by the distributor, the carburetor had to be rebuilt September 1, 2010. I continued to use Ethanol treated gas by the distributor, now also using Star Tron. That carburetor had to be rebuilt June 18, 2012. The dealer said they did not notice a difference using Star Tron. The dealer had Ethanol fuel in the tank when I went to get it. I had TruFuel 50:1. The Ethanol fuel was dumped, I ran two tanks of TruFuel, and then used ONLY MotoMix. It was not used November 3, 2012 to April 14, 2013, being Albany, NY. I again noticed the carburetor problem Sunday, August 11. Stihl corporate and dealer policy is to blame all starting issues on bad fuel. With a carburetor problem using MotoMix, what will Stihl and the dealer going to blame now? I have told numerous people of my problem and have replaced my Stihl with another manufacturer. I have lost my confidence in Stihl products. There is one thing in common, MAJOR Stihl carburetor problems with the FS 45, 46 and 55, all using the same motor. The fact Stihl is no longer making these trimmers speaks for itself.

Strengths:
Good the first year.

Weaknesses:
Hard to start.

Used product for 3+ Years
Purchased From
Review
Reviewed by:
Anonymous
Review Date
10/17/2013

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

Summary:
do not buy

Strengths:
looks good

Weaknesses:
I bought the FS 46 1 year ago (after my 12-year old craftsman died) and their 'special' oil to enhance engine life. I used Mobil ethanol-based (10%) fuel as I do with every gas powered (5) I have. 1 year later (ONE YEAR LATER), I am told I need a new carb due to gas. I am seeing quite a bit of issues on the web around the poor quality of the Stihl carbs. Not under warranty. They sent me a gas guide book (gee, thanks. which says 10% ethanol OK). Will never buy a Stihl product again. Is there a number on your guide below 1?

Used product for 1-year
Purchased From local dealer
Review
Reviewed by:
Anonymous
Review Date
9/10/2016

Overall Rating: 4
Reliability: 4
Performance: 5
Ease of Use: 2
Accessories: N/A

Summary:
It's an excellent trimmer marred with a couple small problems. I think people who are complaining about how it runs just need to be a little more careful. Also, before shutting it off, push the throttle lever to the bottom and let it run that was for a couple minutes and it should die on its own. If not, use the kill switch then. This'll keep the oil buildup out of the carb, or at least minimize it, so it should start easier. Otherwise just be careful about bumping the throttle when you're trimming.

Strengths:
Very powerful, starts good, runs good*

Weaknesses:
I was given mine by someone who had problems starting it and keeping it running, I figured it was the carb and I'd just take it apart and clean it, figured mixed gas/oil created gum deposits and just needed to be cleaned. It starts on the second pull every time for me, but I had a problem with it bogging down when I was trimming. Turns out the throttle is in kind of a bad spot, makes it easy to bump and throw it off, and of its not set just right, it doesn't like to run. STIHL should have a 'notch' at the right setting so you can't bump it out of place. I would recommend, once its running to run it wide open while you adjust the throttle lever. It's short, so you have to make really small adjustments, but if you're careful its no problem.

Used product for 2-Years
Purchased From Used, supposedly broken
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