THE BIG SECRET! STIHL has NO POWER? Won't Throttle Up? How to fix your trimmer/blower.
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Welcome back to Chickanic! Do you use Stihl oil? Has your small engine machine started to run sluggish? Today we go over why, how to diagnose and HOW TO FIX IT!
Do you need help with small engine advice? Please leave a COMMENT! Hopefully I can help save you time, money and frustration in the future!
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I have pulled the spark arrestor out of my equipment for years.
Haven't started any fires and the EPA has not arrested me yet.
I am 70 years old
OLD SCHOOL BEST WAY
Yep, I have done the same and I'm 65. I feel like a fugitive from justice though, when I use my trimmer I keep an eye out for the "Spark Arrestor Screen Police".
I guess it's really true what they say about old dogs and new tricks.
Watch out for the EPA SWAT team sneaking up on you in their stealth black helicopters.
The forest service has standard (FS5100-1D) for Spark Arresters and 36 CFR 261.52 is the federal regulation that requires the use of spark arrestors in accordance with FS5100-1. Modifying the exhaust to improve performance is always a balance between flow restriction and performance. Just don’t get caught in the forest service jurisdiction without them. Painful and costly potential experience.
A propane torch is the best option for burning off the carbon. You won’t need to scrape anything off possibly breaking the mesh screen or how it’s attached to the fastener.
Love your vids!
acetylene/oxygen torch works REALLY GOOD cremates it.
I use carb cleaner and a brass brush. Works just fine.
Just take the muffler off turn up the radio
👍 I agree. A propane torch does work very well. In fact any torch style lighter, such as a torch style cigar or grill lighter will get the screen red hot, which will burn off the carbon/crud. No scraping necessary.
@@treesawyer5921
Usually if we had an old dirt bike with a coked up pipe ,it was time to bust out some Brewskis and throw the pipe in a bonfire for a little while.
One of the many things I appreciate about your vid's is that you get right to the point. Many people who post feel a need to extend the message with a long pre-amble. Thank you for posting content that is relevant, concise, and easy to understand.
Ditto! I came here to watch, learn & go fix my lawnmower ASAP. Great comment.👍
Aye????she took 2 mins mate to get to the point, like most yanks she waffles on before stating what can be said in one or two minutes into 7
That's right!!
Well informed & Awesome content please keep doing what you do BEST. I like looking up your past videos as it’s like a Encyclopedia.❤💯🙏🏽from an avid follower here Sydney 😂
Really. 7 mins to tell us how to unscrew the spark arrester and burn it off and she makes it sound like some big oil conspiracy.
Are you kidding? I’ve learned more in the last 20/30 minutes watching your videos than I ever thought possible. Thank you so much for doing what you do.
Very rarely ever replaced the spark arrestor unless damaged. Get the handheld torch out and burn screen until cherry red, blow out with air, and if its still clogged spray screen with penetrating oil and reburn it. It will clean up after that.
This is exactly how we do it in our shop :)
Nice to see a pretty lady that knows what she's talking about I'm tired of these beginner people that heard something once and then want to make a video not knowing a damn thing about what they're talking about
Happens on any two stroke that gets run at low rpm. See it on pumps on wildland fires frequently.
Dip screen in some gas and ignite helps burn off. scrape gently and repeat if necessary. Run high rpm with a load, keeps things working smooth
Yep save the customer a little money
@hondag200 From the empire that the sun never sets.
Really enjoy your videos. Helps me keep my machines running great. I'm a Firewood guy been doing wood for 40 years and have paid the price for being stupid with my saws. Thanks again for being there for all us Boneheads.
Grizz
I have been a mechanic for 40 years but really never worked on small equipment you have shown me a lot I never even knew great job love your channel 👍🇨🇦
Even ran full throttle 90% of the time the screens still clog, cleaning the screens is part of general maintenance. 30 seconds and a mapp gas torch not much more then cleaning a spark plug
Just take it off.
@@rk22cc Yeah great Idea let dirt dobbers into the engine.
You work for the EPA right. Exhaust port"………
@@rk22cc No just watch the other video she posted.
I have been weedeating about 5 acres around my home every year for about 40 years and I use older shindaiwa c35 machines, I don’t run full out because I take it all the way down to the dirt and if you are full throttle you get peppered with small rocks consistently, my spark arrestor was plugging up quite frequent so I started using 92 octane fuel and ever since then I have not had to clean the screen once, but I do inspect it once a year.
I’m a technician myself but have only worked on cars and trucks. It bothers me when I have to take my small engine equipment and let someone else work on it. I have learned a lot watching your videos. Thank you
Same here.. no problem working on vehicle engines, but my small engines, for whatever reason I am afraid. Haaahahaa.
I just use 40 volt. Then I no longer have all the problems associated with small carbureted engines or the stink of their exhaust. My mower still runs on gasoline but they are a lot less prone to trouble than a smaller engine like that of a chainsaw.
LiON riding machines can go an acre, even more. The battery packs are huge.
LiON tech is red hot now. Improvements in utility and safety prove inevitable. Even a silicon battery may arise.
Elderly "snow bird' types hate the noise and effluents from gas machines. Legal issues inevitably will also arise.
DIY'ers like that the new machines simply start and work: No idiot throttle control, somehow, to juggle--to get right.
Even encasing nuclear waste to serve as batteries is already here!: Pacemakers.
Big petrol also sees the writing on the wall': They'll push plastics, instead.
Face it!: It's over!
Howsoever, if they catch fire, you ain't putting it out! Look up the mower fire at the Louieville convention a couple years ago!😮😮😮
Glad I watched the whole thing. I've had 0 problems with most of our Stihl equipment while using Stihl oil, but that's probably because we use them commercially, at full throttle for most of the day. This is useful information because our least used tool, our hedge cutter, always seems to be preforming lackluster.
I switched to Motul 800 offroad and never looked back. The HP Ultra is a great oil, but I love the smell and less deposits that the motul puts on the table.
That’s the thing has to be full throttle. At least at some point.
I only run all my Stihl thingies at full throttle.. Can't imagine doing jobs slower. Balls to the wall is always the way I roll. Trim weeds slow???? Why? Blow stuff slow??? Why? Saw trees slow??? Why? Just bought a 6 pak of oil... OK for my jobs. Love your info by the way.. My son ran a very busy small engine shop for 15 years////He always said that corn was driving his retirement plan.
I would attempt this repair myself but I apparently don’t have the specialized tool required for this job! Where do I purchase half a garden shear???
Funny guy!
Haha
At the half off sale at ACE.
It looked exactly like the kitchen shears from our Chicago Cutlery knife set.
They come apart for sanitation purposes.
@@akbychoice Well Ace is the Place of the helpful hardware folks .
Thank you so much! Excellent tips and makes perfect sense regarding running the motor full-on. Wishing you all the best!
thank you. also, i use non ethanol gas,cheaper than engineered gas .also,Amsoil Sabre has stabilizer in it!
Spot on tech advice. I just discovered Chickanic, but rapidly becoming a fan. I'm an older guy, have learned a lot of these in a mostly rural life. She has her game down, and expresses these tips as well or better than anyone I've seen. A pro.
*_Agreed. She really knows her stuff & is a GREAT educator. I subscribed to her channel just a couple of weeks ago. 👍_*
Another problem is that bees called mud daubers plug the muffler opening.
I had the impression that the Mud Daubers were hornets. Wont getting rid of them, they like to sting and run.
I was A small engine mechanic from 1965 until I got to old, I have A Stihl bought new 19-20 years ago have never used any thing but Sthil oil runs like new. Good to find your channel, not only pretty but informative,
Your video was super. You were right on the money about users lugging their engines and clogging spark arrestors. I am a certified Stihl Service Technician and I can tell you for a fact that our shop and Stihl have never, ever refused a warranty repair based upon the type of oil used. Stihl will Double your warranty if you buy a six pack of Stihl HP Ultra oil at the time of purchase. I get a lot of units in for repair with bad gas. Also, I'm sure most owners are running 87 octane gas in their units. Stihl recommends at least 89 octane. So between owners not running the machine properly and using bad/wrong fuel, most of the spark arrestor problems can be credited to this.
I would probably have a heart attack if just one of my customers said," Yes, I read the manual "
You know us men, we don't read manuals!!! Removing the trimmer head shroud and running longer line in the trimmer is the biggest culprit too. These small engines will not run up to full song even if the trimmer line is just 1 inch too long (800 rpm decrease).
As a final note I prefer Amsoil Sabre oil. You can use less and there is less smoke (more complete combustion) and it last a long time in the can.
Thanks,
Keep rockin'
Mark D.
"Stihl will double your warranty if you buy a six pack of Stihl HP Ultra oil at the time of purchase." That's exactly how my local dealer presented the proposition to me.
I just started the video and had to jump into the comments because I've never heard of Stihl refusing warranty based on oil used. And I'm a Stihl dealer.
Mark Amsoil oil I no whith out a doubt is top choice but In so many places it's not so readily available I have been using Quicksilver for many years whith no problems not one time have I had to clean the spark arrestor in my old FS40c I have a ancient Stihl chainsaw. Still runs like a champ cut's like no woodchuck could if a woodchuck could cut wood
Spark arrestors the first thing that gets yanked out the second I get home with something.
I totally read the manuals on all my equipment. I just need to reread them occasionally! LoL!
I suspect that more often than not, the actual cause is not the brand of oil, but using the wrong oil/gasoline mix. Stihl requires 50:1. Exceed that oil fraction and the thing will be clogged up in record time whether you run it flat out or leave it idling.
50:1 is ridiculous. Should be no leaner than 30:1.
@@mareksumguy1887 it won't work for any length of time if you exceed the 50:1 mix it was designed for. The burnt oil will clog the exhaust in no time. Mercury outboard engines were designed to use 50:1 as far back as I can remember too.
I’m much longer than 12 years working on small two stroke engines.
This is another lesson learned.
I think your videos are really informative! You have already taught me some things about small engines. My older brother who has been a real expert on the engines lives too far away for me to take my equipment to him. He had a stroke in 2021 so has difficulty dealing with things he once did on these tools. Your videos are surely going to help me even more. You are so awesome! Thanks for all the tips and advice.
Great videos!
A few words about 2 cycle engines..
The cold seizure is when a piston expands unevenly and scores usually on the exhaust side.
The cause is starting a 2 cycle engine and running it at full throttle from the start. The cure is to warm up the engine at idle for a short time before going full throttle.
How long do you let a 2 cycle eng. warm up?
@@johnnellis3025 How I do it, in the summer idle for about 10 seconds then half throttle for another 20.
Chain saws in the winter should be warmed up too before cutting at full throttle. Same for 2 cycle snow blowers. I have 2 cycle engines over 10 years old and never had a problem with piston wear.
I usually start the engine on whatever two stroke equipment that I'm going to work with then lite a Marlboro red short up. When I'm done with my smoke I let it rip and hear the power of a stihl as I get it done. I have equipment going on 10 plus years old. I don't constantly hold the throttle wide open the whole time I'm working but it stays between half on easy tasks and three quarters to full on the thicker or harder stuff. No sense in running a powerful trimmer wide open throttle just to trim between one to three inches off of grass. Now if it's a foot and a half or more of grass and mess then it's wide open and slicing through but that's a pretty good load for it to handle.
@@johnnellis3025 8
Also from running low octane fuel
I pulled the spark arresting out of my saw the second time I used it. Runs great ever since.
I’ve done that with every chainsaw l bought, since 1987. The only time l re-install the spark arrestor is when cutting timber in summertime, to avoid the possibility of starting a fire.
I pulled the screen out my cheap home light and I’m happy. Gotta now go and do that to all my stuff. Couple mowers, couple trimmer, couple edgers.
I have the same weed trimmer and so far no issues except it shakes more than echo and I use high test gasoline starts 1st or 3rd pull
If you get caught without a spark arrestor in the national forest they may take your saw or fine you. 🙂
@@baldeagle242 No, you can cut downed trees.
Yes, burning off a spark arrestor is a great tip. One of the 1st things I check when equipment gets sluggish, it's now a part of routine maintenance. Thanks for explaining it and that some oils and equipment need more attention.
I have taken the spark arrestor out of every piece of equipment I own. No problem at all.
Run your piece hammer down ,no problem
Thank you 🙏🏻 Chicky for the wonderful and very insightful video…. A lot of what you show are simple but very effective fixes… it all comes down to being familiar with your equipment and properly maintaining it…
That muffler screen is called a spark arrestor, you can just take it out and burn it with a blowtorch or lighter, and it’ll be as good as new
Of use this : www.aspenfuels.us/products/all/aspen-2/
I Take Those Screens Out and Toss Them Over My Shoulder and Never Look Back I Don’t Work in a National Forrest 😀😬😮😬
Every 2 stroke tool I have I ripped out the screens and some driiiled out the muffler plates a bit... ..never had a issue...
Yeah, but its illegal and she can't tell you to do that.. 42 stupid MFs would sue her because they started 41 forest fires. (There is ALWAYS a couple of guys who do stupid stuff together.)
@@jeffery19677, You stated the exact reason. Great comment.
@@jeffery19677 nope Not really illegal at least Not in my country. More Like a gray area. But it Sure can lower the Performance of the engine because it does Not have enough Back pressure
Hopefully your homeowner's insurance will still cover the fire that rips through your trees and the neighbours' properties after you set them on fire...
If you have a diesel truck, tractor 4wd, UTV, ATV....put some stainless steel mesh in a sock-like configuration over the end of the exhaust pipe (hold the sock on with pipe clamps)...the flaming carbon chunks that get caught there will amaze you....
@@KriegerDelfin24, The screen does not provide any performance enhancing back pressure. If anything, it hurts the performance.
It would be interesting to see and independent lab test the Echo, Stihl, Amsoil and others mentioned to see exactly which is the best. I have several Stihl products and have used Stihl oil in all of them and have never had an issue, probably because I read the manual and followed the dealer's advice.. Maybe your customers' Stihl products would have had the same problem with other branded oils if not running the trimmer at the higher RPMs. Stihl doubles the warranty if you purchase the 6 pack of Stihl oil when purchasing your tool/machine.
make the suggestion to Project Farm. He has a tool testing youtube channel, and has tested motor oils in the past. One of the best I've ever seen.
I have always ran stihl two cycle oil & will continue to run stihl oil. However, this episode has totally changed the way I run my stihl machines. Thank you!
I just found you (by accident) a couple of days ago. I'm that typical do-it-yourselfer who gets VERY frustrated when he has to WORK ON HIS TOOLS before he uses them for their designed purpose. Your videos are simple and amazing, all in one!! Thank you SO MUCH for sharing your knowledge and experience in such a professional, understandable, thorough and friendly manner!! (You need your own TV show!!)😎
I was half way through a 4 hour job and my Stihl brush cutter finally ground to down almost no power. After watching this I had it up to full power in 15 mins. Thank you. You are what we call in Australia, a dead set legend!
Did you clean the air filter after 4 hours of work you should have ! !!!!!!!!
Clean out end of muffler and air cleaner thats all not hard ffs
Crikeys mate, you’re not wrong. She’s a Bobby dazzler. 😊👍👍🦘🇦🇺🦘
Just spent $350 on a stihl brush cutter and this is something that should have been in the 90 some-odd page, 60 different languages, damn near useless owners manual....so thanks for the tip
This is no tip, its operator error for 1, and any oil clogs the screen if u run low rpm. Also stihl gives u 2yr warranty if u buy a 6 pack of platinum oil when u buy whatever, they don't make u buy they're oil
@@kwmiked it is a tip since the manual doesn’t mention if you don’t run full throttle you clog the screen my point was that “tip” was better than any of the information the manual had to offer. And yeah they offer the extra year for a six pack of oil or a $38 gal of pre mixed gas but that has nothing to do with the “tip” or as you like to call it user error for not following said tip
Great advice! And thanks for asking; I'll add a note about my experience LOL. Long story short, after one season, I thought my KM56 powerhead was dead - either would not start or would stall with the slightest amount of throttle. After checking fuel, filter and plug, I pulled the spark arrestor screen. It had turned into an exhaust arrestor - packed solid! Propane torch did the trick. And sure enough, I used to run at midthrottle settings as opposed to wide open throttle.
Fast forward; I've added a KM111 to the stable since we have two properties to deal with, and normallly run both it and the 56 at WOT or idle, nothing in between other than for delicate areas. I have not had to clean the screens on either of them for seven years.
Love your channel!
Just like a catalytic converter, off they go.
Been taking a screwdriver and knocking a hole in them for years and years
My brother is a 2 cycle mechanic with 18 years of experience and has seen where customers have removed the muffler screen and it actually damaged their equipment due to carbon buildup on cylinder exhaust port and I chips off and scars up the cylinder walls
Except a cat convertor is worth alot of 🤑🤑🤑
This is the spark arrestor not a good idea!
Daniel Cline @ Nah,great idea if nothing flammable or dry is near you!!!
Never had a promblem with any of my Stihl power equipment.
@Fred Wills I love Stihl! Nothing against them. Just want to let people know how they need to run them and what they can do if they do get a clogged exhaust. I get at LEAST 2-3 a week at my shop clogged.
I use exclusively Stihl HP Mix in EVERY 2 Stroke with Ethanol Free Gas, Stihl 026, MS 391, Shindiawa T270, SRM 25...all run amazing even with high hour's.
I love my stihl moto mix all ready made up ready to use
Bought my first Stihl chainsaw in 1990. I have three now and other than replacing a clutch once every ten years they all work great all the time.
@@Chickanic That is because people use old fuel/oil mixture in their Stihl equipment and it smokes like crazy causing carbon build up in the exhausts. Use high octane fuel and fresh oil mixture and you will have no problem with your power tool. Get rid of old gas/oil mixture after 2 months or add some fuel stabilizer to it.
Very good vid. When I think 2 stroke I think RPM's
No problems with any of my saws, trimmers, etc.
I keep the screen in. I started a fire once on a friends property with a chainsaw without a screen.
Red Armor oil work in Stihl very good yall
Howdy from East Texas. I've been in the shop reviving a few mowers and trimmers. It's amazing what folks leave behind when they move out of a rent house.
I’m 64 and I never knew they had screens in them. I’m going to look
> no you cannot remove the muffler
Don’t tell me how to live my life! 🤣
easy........
she cant give ilagal advice on youtube lol
@@jonsworld5307 😂🤣
Pull the screen out when you buy it new. I have always used Stihl oil for at least 20 years
Castrol makes stihl oil😊 l found out days ago after 35 years plus using stihl oil. Still love my 028 super still runs great stock np rebuilds after 37 years. 😊
I love all my Stihl trimmers, power washer and chain saws and have a great dealer and repair location. Good detail to know that everything should be run full throttle. I did trade in all my gas chain saws for a battery powered one because I can't get the gas ones started because I leave them sitting for long periods between use. I also really like Chickanic. I'm 68 and grew up in a time and place in which girls and women were treated as incapable of doing anything like this. I am always deeply affected when I see women proving them wrong, and, these days seems like I'm the only one still marveling at it. Now it has become obvious to everyone.
magnus and moss act should prevent them from voiding warranty.
Exactly. If they require it for the warranty they are required to supply it at no cost. That's why they extend the warranty when you buy the equipment and oil together.
What's more is in the event of failure the manufacturer is, as per the Magnuson Moss Warranty Act, legally required to prove that the damage occurred because you used a different oil. Simply saying so does not constitute proof. This was decades ago but as you can see the manufacturers still illegally void warranties because they know they can get away with it. We have the Federal Trade Commission who is doing precisely this much to protect consumers, 0.
Doesn't sound like an oil problem but more like an operator problem.
I would say you both are correct. Any one running a 2 stroke motor should be warned that the exhaust need to be cleaned every so many hours. No matter if the oil causes it or not. We raced dirt bikes and had to rebuild the exhaust once a month to keep max air flow and power. Lots of people don't know to do this. I have a stihl weed eater a commercial one, a 251 saw and a 362 saw non have had any problems i run stihl oil and they are 6 yrs old. I clean them regularly.
yeah kinda
It's really a question of full synthetic vs. semi synthetic. Full synthetic will clog up more, but it provides more protection for high performance engines. You are much less likely going to suffer from a clogged up exhaust system when using semi synthetic 2-stroke oils.
Thank you for your videos. I recently had an issue with my Stihl weed trimmer not throttling up. A dim light came on in my head where I remembered watching this video about a year ago and sure enough, the screen on the trimmer’s muffler was blocked with carbon. I burned it off and now it runs great. I’ve also fixed a carburetor on my Honda mower following you advice.
You are a kind person for providing such great advice.
Thanks Chicanic, I live in Australia and this very same thing happened to my FS90 recently. In fairness my dealer mechanic showed me the filter and told me to run it at full throttle to avoid clogging the gauze.
I appreciate your tip too on the Echo oil, I'm not sure if we have that brand here but I'll endeavour to find out.
Not that easy to find Echo lubricants here in Aus, Penrite 2 stroke oil is easy to find at Repco, Autobarn, Supercheap though. Been using Penrite for many years now.
I passed on the Stihl oil and went with my trusty Amsoil Saber at 100:1 on my FC56. Runs great, had it 6 years and I cleaned the arrester two years ago and it still wasn’t clogged, just a small amount of carbon.
I have been running Amsoil 100:1 with all my two stroke engines with 93 octane non ethanol for many many years with no problems whatsoever!!
Really nice, focused coverage of how to keep your Stihl trimer, blower, etc. running great.
Thank you!
Great video! I've not had an issue with my chainsaw or weed eater, but thanks to you I'm mixing my own fuel and will know what to do if I start losing power. I usually run things wide open, so I'm hoping to avoid any build-up, but at least now I'll know how to fix it. Thank you, Thank You, THANK YOU!!!
I've been running AMSOIL SABER at 50:1 in my Husqvarna 555
Where do you get the AMSOIL SABER?
@@johnnellis3025 You can get Amsoil products from www.alliedsyntheticsusa.com send them an email about the preferred customer membership, which lets you purchase at wholesale pricing and they will set you up with a free 6 month trial.
@@johnnellis3025 I just order it online, using the Amsoil site.
Stihl doesn’t void your warranty for not using their oil. They double the warranty period if you do use their oil. I have a 20 + year old Stihl trimmer that I have always used Stihl oil in and I still runs great. I have never cleaned the spark arrestor in it either.
How do they know what you’re actually using?
They don’t, but you are buying a six pack of their oil when you buy their machine.
Great video! I just helped a buddy of mine fix his Stihl BP blower with the same issue in the same manner.... quick & free fix. The advice about running wide open throttle (WOT) I'd spot on for at least a good part of the time. As a former 2 stroke dirt bike rider and racer for years, the advice is the same. To have better and more complete combustion with an oil/gas mixture WOT once in awhile is a must. The smaller the engine the more true this is otherwise expect clogged up spark arrester screens. I've run stihl, husky and homelite 2 stroke power equipment for 45 years and never had this problem, just mix the right ratio and stay away from ethanol/bad gas & don't forget to clean the airfilter once in awhile. Happy motoring!
Yep! Same here
What's your opinion of the husqvarna 3120xp? I'm looking to get a really big chainsaw that can pull a 6' bar. Echo doesn't make one that big, and Stihl is out of stock. Is Husqvarna reliable? How does it compare to Echo or Stihl?
I have a steel FS 70 weed trimmer noticed I was getting all the residue around the muffler pulled my screen and cleaned it but did not realize I need to run at wide open throttle thank you for the comment
the only time you shouldnt run a machine at full throttle is when you're trimmin around delicate things otherwise always run it full throttle
The spark arrestor is made to be cleaned out every once in awhile
I spray some brake cleaner into the exhaust port once a week.... works every timr
The spark arrestor is ment to be taken out and thrown away. Best way to avoid a future problem.
Take it out completely unless you work in a Forest Fire prone area or a Propane Refinery
@@joshuaplacka8480 agreed. It's useless
As a Stihl professional, I can tell you that every other maintenance of your machine it would be good to use the decarbonizer to help prevent any such buildup! As soon as she said she wasn’t paid I knew she had a biased that was confirmed when she said she was an echo dealer! lol
I’ve run my Echo 770-T in my lawn business since 2016. Never used or needed a decarbonizer. I did remove the spark arrester but otherwise it’s stock with no other mods. Still fires right up and has full power. It also starts much easier than my new Stihl backpack blower. I use the Quicksilver oil from Walmart.
Recently purchased a Stihl trimmer the sales person never offered or mentioned any specific oil for this trimmer.
@@fivespeed3026 Exactly... You never needed it because you removed the spark arrester so it doesnt get clogged with carbon! lol Not saying it will happen but its a potential fire hazard for grass as well as yourself!
@@monti409 Apparently the sales person was poorly trained as purchasing a 6pack of the premium oil would have doubled your warranty... but from experience I can tell you that you wouldn't need that warranty anyways!
Super video, thanks.
We’ve owned a landscape maintenance business since 2008. We have very few Stihl products, a couple nice hedge trimmers and a small rototiller and that’s it. We run Echo’s and always have. They have been bulletproof. We have a string trimmer that’s been in service since 2010. Our crews look strange cause every other company in town runs Stihl’s. I laugh all the way to the bank.
2010, that's cute. I've been using my residential grade Stihl (FS55) since 2002 for 6-8 yards a week.
Outstanding. Such a simple fix and makes perfect sense. I greatly appreciate it.
Another reason to leave spark arrestor in is simply noise.
The SCOTUS has already decided that the manufacturers cannot void your warrantee for using after market products unless they can prove that they caused the warrantee issue. Tru-fact.
Doesn't apply to using the "wrong" oil though. Tru-fact.
@@ipdjbt Still it must be shown that the after market product caused the warrantee issue. Magnuson-Moss Warranty Act. Threats of voiding warrantees have been a consumer cudgel for many, many years.
Beautiful garden behind you!! Must have the local deer population under control! Who has the green thumb? Thank you for all the honest info.
Thank you so much I really appreciate that because I just bought a still hedge trimmer it is nice to know what to do with it now thanks you're sweet
You are so welcome!
@@Chickanic you're welcome thumbs up to you and I will subscribe
I run red armor in everything. Buy the 6 pack of stihl oil to extend the warranty on new equipment and throw it out
My stuff runs a lot better on red armor also
@@wabblewater We tested some common oils on logger landing saws. Red Armor was by far the best inexpensive and easy to get mix oil. VP is good, Belray is ok, Klotz is my favorite because I love the smell of it burning. But the everyday work oil choice is red armor mixed with 91 octane no ethanol MO gas from an airport
my dealer only told me, "if you don't use synthetic oil in new equipment, it will die prematurely." I use stihl, because they're stihl dealers. the big lesson is to pay the money for good bar oil instead of Durex. burned up a bar with Durex.
@@kenbrown2808 The only oil that carbons worse than Stihl Ultra is no name dino oil. My dealer, who sells most brands, Echo, Stihl, Husqvarna, etc.is the one who tells customers to buy the 6 pack of ultra for the warranty ant trash it. The dealer sells 7 semi loads a year of VP non-e premix. It cut his repair load by 60%.
@@grifonks and yet, I've never had a carbon problem.
8 years on my stihl chainsaw, trimmer, and leaf blower. All start with two pulls. One with choke on, one to start. No complaints.
So ur telling me the government f'ed my weedwhacker up too. Cant they just leave anything alone for once.
Great info.
I've always used Yamalube 2r in every 2-stroke I've ever owned. My Echo trimmer is 16 years old, and still starts on the first pull. I have a huge yard, and go through almost a full tank every time I use it.
Yeah man Yama. lube is the one to use
I would always recommend 2R to customers who came through the shop I worked at. or Motorex. I also use their Waverunner oil in my Waverunner 500. their Yamabond is the best stuff on the market too
The motorcycle industry is where to look for the correct 2 stroke info. We have been running clean burning oil for decades that promote reliability and performance. When someone says "no you can't run your machine without the spark arrestor " then winks at you, they really mean the opposite. Spark arrestor are mandatory for motorcycle racing on state and federal property. We always cut the screens out and replace it with a cotter pin so when tech inspection sticks a probe in the exhaust it stops at the cotter pin. Passes tech every time.
just hit that screen on a wire wheel, takes 10 seconds
Just removed my spar arrester and burned off the crud, runs like new again.
I sell stihl products.
No stihl does not make you by their oil. No, they do not say by not using their oil, your warranty will be void.
I run Amsoil Saber in all my equipment, zero issues and lots of power after years of use.
amsoil is the good stuff
You are correct! I purchased a case of Amsoil saber 100 to 1, and use it on all power equipment. It really is the best. 8 years now with no issues 👍
lucas oil is also damn good stuff
I have repeatedly cleaned these screens, carburators and many other parts in my ultrasonic cleaner. They are available at quite reasonable pricing anymore and are a great investment for a shop. I personally use Simple Green as my standard cleaner in it and it has been very effective while also being gentle on rubbers, plastics, etc.
Great info. I use Simple Green as well, but to to use it for this application and having it already tried and tested... 👍👍
You can also use your grill to “burn” them clean.
The propane torch has them spotless in about 15 - 20 seconds.
I have used Stihl equipment for nearly 25 years - string trimmers, hedge clippers (HS80), edger (FC85), hand blower (BG86), and chain saw (limited use). I have gone through many string trimmers - FS85, FS94r, as well as BG86. Cleaning out the exhaust screen and port is just routine maintenance. There is nothing unique in this task.
For the last 20 years, I've used Amsoil, at about 50:1. The FC85 has ran for more than 15 years. But the trimmers run for 2-4 years - engines lock up. The advise of running WOT is important. I think it may be the key to the FC85 longevity. Edging is always WOT (also use it with a 22" hedge clipper attachment). I used my FS94r to trim out 5-7 lawns per day.
Many of the comments here speak about "2 cycle." Many of the Stihl family are 4 cycle. The issue is not 2 or 4 cycle, rather the lubrication mechanism - sump vs. vapor. My trimmers have been 4 cycle for years and I have no problem. One valve adjustment after about 50 hours and never again. The major problem is carb diaphragm failures. Apparently, the ethanol degrades them. A rebuild is simple. Even new ones are not very expensive.
Thank you for that detailed informative response bud.
I only use 100% gas, no ethanol. I've never had a problem, and this is over 20 years of use.
@@btolich I don't know where to buy ethanol-free gasoline. I do buy Premium grade gas for all Stihl gear. Is it better than Regular? Dunno ... I have no statistics to prove one way or another. Many years ago, somebody on a Forum strongly encouraged the hand-held equipment to burn Premium.
@@rightsideofthegrass8114 Bummer! Even though you're using premium grade, it still has ethanol, and that degrades the rubber components of the small engines. The octane rating merely has to do with how much compression the fuel can withstand before detonation. Premium is typically used in vehicles with high compression ratios. Small engines don't generally have high enough compression ratios to warrant the use of premium fuel.
@@btolich We have ethanol free premium in Canada, Esso Synergy Supreme 91 octane for example. Testing for ethanol in gasoline is simple. Project Farm explains it better than I can.
th-cam.com/video/bEf9Fdvx_Sc/w-d-xo.html
I m sorry but spark arrestors are ridiculous. I know you legally can't tell people to get rid of the arrestors but I have gotten rid of every single one on all of my 2 cycle equipment. I have never ever seen any sparks come out of my exhausts or not any that would stay hot enough to land on some dry vegetation and cause a fire.
At first I wondered how I’ve never had a issue with my stihl fs90r on stihl hp ultra oil for the last 4 years, but I’m constantly full throttle
Is going full throttle good?
@@coollemonproductions7590
For a 2 stroke, with the correct oil/fuel mix, clean air filter, clean cooling fan/cooling air passages and unplugged spark arrestor...yes.
The exiting exhaust gas has high heat and velocity...ain't nothing going to stick in that arrestor screen...
the heat of the engine will be controlled by the fan and fins.....
Engine will love you for it..as will any centrifugal clutch as the clutch will be fully engaged....not slipping and wearing out....
Great info! I just had this problem on my Echo trimmer. I got a new replacement muffler on line for pretty cheap, and then it started right up, and stayed running like it wasn't before. Great channel and info. Thanks
You are exactly right on your diagnosis you hit it dead on the head finally someone that actually understands about a two-cycle
Been in the lawn care business 20yrs first thing I do remove it and throw it in the trash
good to know. I use the Stihl oil and I took the spark arrestor off my echo weed Wacker cause it kept clogging up and would become powerless. I use the same Stihl oil in my 11yr old Stihl hs45 hedge trimmer, I have a lot of hedges to trim. I run the hedge trimmer at wide open throttle 100% of the time and never had to clean the spark arrestor😀. The hs45 is my favorite power tool and the only thing I've ever had to do to it is sharpen the blades.
We have a Stihl FS 55 that's 10+ years old and still has it's original top end, still runs great. We've always ran Bel-Ray or Amsoil at 50:1. The exhaust screen was removed shorty after purchase, and no fires have been recorded so far.
Been ripping those screens out for 20 yrs.and no problems.
It’s illegal to remove the spark arrestor and not replace it
@@dave011679 I don't think big brother is going to throw me in prison for removing the hail screen out of my trimmer's muffler, not yet anyways.
@@danielc5205 It's really just a fine and the odds of getting caught are miniscule, still the manufacturers make it a point to inform dealers about it. At my dealership, I remove, clean and re-install the screens just to be on the safe side.
@@dave011679 OH NO, PLEASE DON"T TURN ME IN TO THE MUFFLER POLICE!!
Ive been a lawn equipment mechanic for 30 years. when you run 2 stroke engines at low to half throttle. the exhaust will eventually clog. DO NOT use cheap 2 stroke oil.
What is the best oil? What do you use, or recommend?
yes. All garden equipment should be used at full throttle. It doesn't hurt them. Just make sure you use good oil.
@@johnnellis3025 After stuffing up my 5th Stihl chainsaw using Stihl’s brand of oil at their recommended 50:1 mix. I’m now using Husqvarna chainsaw’s and Husqvarna’s brand of oil, at a mix of 33:1. Using them for 2 years now, so far so good, time will tell if they are better than Stiihl Chainsaws.
How do u feel about caster based oils? Had great luck in my preformance boat and Banshee using it
I've had the same stihl equipment for 8 years still runs fine everyday I've only used their oil once when I bought it..i have my own lawn service only john deere and stihl
Never had these issues. All I've run. Stihl oil and equip.
Random things you didn’t know you needed to know....thank you, I’m going to check my trimmer tomorrow
I've been using ethanol-free premix 2stroke fuel now for a few years and apart from a small adjustment to the idle and full throttle speeds its the best thing for starting first pull and the pleasant smell of frying potato chips from the exhaust.
I was a Silver Certified Stihl Tech for 4.5 yrs. Number one cause of problems is fuel. I always told everyone for the $11 buy the pack of Stihl oil (silver bottle) that doubles your warranty, but then take it and throw it away. The orange bottle of non synthetic stihl oil caused way less problems and would run with more power. Ive argued with people about this but the non synthetic Stihl oil is much better than the synthetic. The silver bottle mixed with gas will disintegrate much quicker as well.
Thank you! I have gotten so many comments, people thinking I am crazy. LOL!
@@Chickanic I promise you are not i cant explain it but i think they push the Stihl synthetic 2 stroke oil because of emissions but it definitely decreases HP and makes gas go bad much quicker than many other 2 stroke oils.
Our wonderful government has their nose where it doesn't belong!
Hi.At the start of your vid I was about to jump on you.I have been a Stihl master tech for 25 years.I do not find a lot of diff in most oils and germany has masterd it.Opti or chinese synthectics are the only ones that will void a warranty.That being said you gave a great demo and covered most of the problems,the costomer being #one.On my bench grinder I replaced the wire brush with A brass one only takes 30seconds to clean a screen.Just for shits and giggles I own many Stihl,Husky and Echo products.All are run on the cheapest gas possiple.Kept inside and run at least once a month.I have not needed to do a carb job in ten years.Again costomer being the problem.Well done.
Thank you! I do the same with the cheap gas, although I do use ethanol shield. I only use my 20 yr old BR 400 a couple times a year, and it starts every time. It was one of the best light blowers ever made in my book. Thanks for watching!
Stihl doesn’t have master techs. They have 3 Levels of expertise.
Master Tech?? Lol
And HeMan is the Master of the Universe 🤭🤗🤣
@@THEMOWERMEDIC1 Correct
Interesting, I've been told by 4 seperate Stihl dealers that unless I use either Stihl motomix, Aspen or at the very least Stihl super 2 stroke oil they won't honour the warranty on fuel related issues. They say Stihl original oil is just as harmful to the newer machines that even that will void warranty. Who's telling the truth here?
It says in the owners manual that you may have to clean the spark arrester when you have a loss of power. Some people just don’t want to do it. I clean them all the time
I don't understand if the Spark arrester on the sthil trimmers it exist only for american customers or also for Europe... (Sorry for my poor English!)
@@chitacarlo I think the spark arrester is there even if you do not live in the States. In my country (Portugal) you would be forbidden to operate some tools and appliances in summer because of the danger of fire (more than 200 people were burned to death (firefighters and civilians) in the past decades due to forest fires.
@@antoniolopes8776 thank you Antonio!
Finally someone said it, read the owners manual!
@@antoniolopes8776 That's why they are required here in the states, some keep saying EPA regs., that's not it, it's because of USDF regs. for fire safety. The screens have smaller holes than previously, this is part of the problem with clogging. Fun fact, if a Stihl product comes into the shop for repair that has been modified, it automatically voids the warrantee, if still applicable, unless the part was broken and was in for repair including that part. Stihl will tell you to put it back to stock or it cannot be worked on.
as she stated "these machines are supposed to be run at full throttle" and when they don't they plug the arrestor screen , sounds like customer education is needed before blaming the machine
Just remove the screen. It's not needed.
thats bullshit dude.
@@robk1310 If you remove the arrestor screen here in Australia and you start a bush fire, you'll likely be relegated to using hand tools in the prison garden.
Stihl ultra is the exact opposite of "great oil" it sucks. The orange bottle stihl oil is good thou.
@@muntenated, In areas of high risk, you should not, but in a normal residential yard, it would never be an issue, at least where I live.
Your videos are so helpful. I came a across your videos about a week ago. SUPER EDUCATIONAL. I started used OPTI-2 in all my 2-cycle motors. What is your opinion on the OPTI-2 oil good or bad. It seems to work good on my older Echo weedwhacker and my older Stihl chainsaw.
I use VP 2 stroke oil in my cheap 75 dollar Murray weedeater for 6 years now with zero issues I keep saying when it finally dies ill buy a new stihl but the little Murray just keeps starting .....
I use castor 927 because it smells good and leaves a protective coating.
The good thing about stihl oil is that it has fuel stabilizer in it.
As do other quality brands.
After a long time of trouble shooting, I did recognise this exhaust filter/flame arrestor was 100% clogged. I took it out many years ago and all is well. I have had no sparks emitting from the exhaust. My take on it is, if you have such a screen filter regardless of your RPM or oil used, it is just a matter of time and it will get clogged. I use light body SAE automotive oil and no problem. My FS55 is about 20 years old now, but works well, with very good power and acceleration. I don't use the unit often, but when I do, I push the unit long and hard. Thank you Chickanic for highlighting this problem and fix.
I still have my Briggs and Stratton yard trimmer from the 80's.
Never had a problem and still running fine , I do use seafoam in it.
It's called engine tune from mercury marine its just rebranded with a different name...look up quick silver products... 60 yr old company
@Ivana Notyers, never had a sticky valve ? Thanks.
Oh my goodness, I see this exact issue so often. I know everyone has their own oil preferences. Personally I use Amsoil Saber. I know Echo is excellent as well. Thanks for a GREAT TH-cam channel.
Yeah, I've had a lawn and landscape maintenance business for over 30 years, and I noticed that problem years ago on my Stihl stuff, but I never had anyone ever tell me it should be run at full throttle to avoid it. And I rarely run at full throttle, for the noise if nothing else. I've always used just enough power with string trimmers and edgers, etc, to get the job done. Well now I use their battery powered string trimmer, hedge trimmers and chain saw, so no more worries about fuel, oil and exhaust issues on that equipment! 😁
careful ....youll lose your man license
I’m going battery powered on everything that I can. I got so tired of rebuilding those little dinky carburetors and dealing with non-reliable equipment. Do yourself a favor and don’t buy anything but STIHL brand.
@@sweetdrahthaar7951 Makita or dewalt for electric. STIHL is great for gas though
@@waterloo123100 👍🏻 Thanks
Stihl battery stuff sucks, much happier with Milwaukee
I remove the spark screens on all my tools. Never had a problem since doing that.
Thank you for sharing. I agree with everything that you said - especially about running the equipment wide-open. As a matter of fact, I own three Stihl chainsaws and all the rest of my equipment is Echo. I only buy the Echo oil and high octane, non-ethanol gasoline for all of my 2 stroke engines. All my equipment runs top notch! Thanks again for sharing.
Thanks for watching!
Premium non-ethanol gas is the number one thing good you can do for a small engine. More people should understand that.
@@larrybe2900 Where's the proof??? I run 87 in everything, and have no issues whatsoever. Compression ratios in OPE are not high enough to require the increased octane. No matter what you read on the internet. That's why the manufacturers recommend 87 octane or higher. If it did not meet the requirements of the engines, then they would say 89 or 91 or 94 or higher. Paying for higher octane that you don't need and gives you no benefit other than your own "feel good" is just wasted money.
@@BKD70
I run non-ethanol high octane since what I have lasts awhile and also for fewer end of season carb. issues. A repair shop that sells product recommended I stick with the high octane and non-ethanol since I would not be buying just enough for the off season. I am sure if I ran them everyday I would do as you are suggesting.
I had my Stihl chainsaw screen clog over a few years ago. I hadn't seen your vid, but guessed it was unburned oil and fuel so I blasted it with a propane torch. Then I used a brass wire brush to finish the job. Clean as a whistle after that!
Great vid, looking forward to more!