BRAND NEW STIHL FS 111R / ZERO COMPRESSION / YOU WONT BELIEVE WHAT THE PROBLEM WAS!
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- เผยแพร่เมื่อ 16 ก.ย. 2024
- TodayWe dig into a stihl FS 111rThat will not start and has zero compression and 100% leakage past the intake valve follow along and let’s fix this trimmer #Stihl #4Mix #FS111R#SmallEngineRepair #LawnmowerRepair #Quarantine #BrandNew #KeyboardCowboy
![STIHL FS-111R VS. ECHO SRM 3020 Comparison [I Expected More]](http://i.ytimg.com/vi/3oBoD4g06-c/mqdefault.jpg)
Great troubleshooting! Very interesting...
Thanks Steveo! These 4
Mixes are something else!
Hey steve good to see you floating the net hope you got a beer in your hand L.O.L see ya back in the shop !!!
Steve in the house!!
@@allanhughes7859 i agree hope he has a beer in his hand. without beer people do not get the false illusion of working hard being worth it and then i get less tax dollars . :)) we need hard workers and the medicine keeps them going lol .
2nd this
That was some fine troubleshooting with a simple fix. Your explanation of events leading up to problem is perfectly understandable. I have experienced valve float in 60s muscle cars back in the day.
When you said “mechanically impossible” I was like yeah unless the valves float lol... then you came to the same conclusion that’s awesome! 4 mix stihls seem pretty reliable but I like my 2 stroke echo equipment because they don’t have stuff like this happen.
Yup on a opinion of the top manufacturers Stihl has gone way too cheap on the designs and materials used in the past 4 yrs Husqvarna is #2 then Echo and so on and so forth
On the other hand, when you lose all compression on a 2 stroke there is only a couple of possible reasons for it. Either the cylinder or the piston/ring is FINISHED.
@@josephherron7671 Yeah it's pretty strange that he said he likes 2 strokes because 4 strokes are more reliable. When there are issues, 4-mixes can be fixed quite easily whereas when a 2 stroke breaks mechanically it is probably devastating
@@waholoopesorry74 not really. The most common problem in a 2 stroke engine is a scored pistil/cylinder and that's a cheap and simple fix. And when it's done it's essentially a new engine. 4 stroke engines have a lot more parts to break, and that means more parts to fix.
I always like a good puzzle, and I like how you solved it!
I do believe your professional opinion is correct sir . That was an interesting video.
Wow having the proper diagnostic tools for sure diagnosed it real quick!
Customer being honest, helps too! 🇺🇸🤙🏻🔧🦅
Those workers that dld that, keep them around..
1) They get the work done
2) They make you look like a GENIUS
Seen this before and wondered why it happened. Now I know. Thanks!
Seen it many times but was due to sludgy valve stem
You sure run onto the wild problems. 👍
I just saw the exact same problem in a 4mix. This one however was eight years old and had NEVER had the valves adjusted. So there was WAY too much lash on the rocker arms and the second he turned it on its side it died.
Great diagnosis. Keep up the great work and videos
Thank you, now I'm warned about a possible problem on my 4 strokes engine.
I didn't know Stihl had 4-strokes.
I’ve owned one Stihl 4-Mess. That cured me of ever owning another. My Shindiawa and RedMax units just work.
Nice work, and spot on about not being able to wait for warranty stuff sometimes, customers have to earn to pay for repairs
I have a 17 year old Cub Cadet trimmer. I prefer Echo over it, but it still runs strongly to this day. That tells you something about Stihl!
It really doesn't. Are you running it as hard as this one is being pushed? I bet those people don't care about the equipment, and just want the job done, so everything is done as quick as possible, even if its not proper.
@@snoopdogie187 It's not used commercially. I'm not even the original owner of it. I got it from a friend who said he got it from someone else he helped move. It's a pretty decent unit although I would never recommend it for commercial use. Even if it was used commercially it's a pretty solid machine that will likely withstand the abuse.
@@snoopdogie187 what’s it tells us is old stuff was built to last.. I have an old poulan chain saw from the late 80’s that just keeps going it’s my back up saw but it always works
His 2004 ish string trimmer isn't really old enough to be in that category. Brand does have a lot to do with it, and cub cadet was a higher tier brand of mtd at that time.But my point was that when you are using a tool in a professional way, it gets abused more than any home use person would do. The cost of the tool is less than the cost of being slow.
Great trouble shooting and explanation Jeremy!
I think you are 100% correct in your valve float theory, that is the only way this could have happened, grossly over revving under no load .
We are lucky in my town - the main Stihl dealer is a small machine shop. The one employee is also the owner. If you take something back for warranty work, you get it back the same day. The next day at the latest. There are a couple other dealers in town, but they don’t even do their own repairs. Our guy won’t repair their stuff. If you bought it elsewhere, take it there to get it repaired. I understand that he is a Stihl dealer, but he has the luxury of being able to send those who bought elsewhere packing. I don’t blame him.
I've got 2 FS130Rs I'm working on for my municipality. The intake valve did the same thing on one. I adjusted the lash and restarted, did it again after 20 seconds with no real revs. The cam lobe looks like garbage but I also have reason to suspect carbon issues, as the engine sort of want to bind at TDC even with the cam removed. Good to know this is a common problem, as I'm not to inclined to stihl's more radical designs.
Could also be a weak valve spring. Not all valve springs are created equal even when new.
Nah that’s not it
Thanks for this!! I may have the same issue. I was running my edger with a blade I knew was getting too short. I was trying to get thru the day and didnt have a replacement. I was using it and went to restart it, and then it shut down and lost compression. Im hoping its as simple as this fix and not more serious
That only happens with neglecting owners that run them wide open...
Valves start floating (sounds like rev limiter) then a rocker pops off or she drops a valve.
Simple.
Operate the equipment correctly
I have a 15 year old stihl fs100rx 4 cycle.
Runs perfect still.
I still cut yards/only ever had to replace the clutch
Camshaft
Air filter
And plug
I have a Stihl FS 81 that my Dad bought probably 30 years ago and it is still running strong.
Stihl working!
I agree.. very interesting insight on what happens when Dude's are working out on the field. That said I am not too happy with the new 4mix Stihl engines. The 2 stoke design was perfect enough
Great video! Question. What is the secret to getting those carbs off without feeling like I am going to break something? I have to force them off and on every time. I know there has to be something I'm missing...
Dude liked your comment without replying
@@johncuervo3019 He made a whole video on it. Go check it out!
By shear chance the first trimmer I ever used was a Husqvarna. That machine served me so good (and still does) that I fell in love with the brand. When I opened my small land care business there was only one trimmer that I considered. Of course I bought 2 additional Husqvarna's 525 RX. I will be honest and tell you that I haven't serviced any of my 3 Husky trimmers, not once, in the last 4 years that I owned them and used them heavily. The sparks are the same, the air filters - original. Nothing. I always used their oil and had absolutely no problems with them.. I suppose Stihl is a great brand but I would advise everyone to buy Husky and be set for a life.
It must vary by region. There are next to zero husqvarna dealers here. Hardly ever see one at the shop. Or maybe they never break down one
Of the 2
Husqvarna commercial is hard to beat. Same thing as redmax. They’re simple and run forever, unless someone runs them lean with no oil.
Awesome diagnosis!
Impressive.
Once Again.You Hit A Grandslam.
Richard.
Good job figuring it out
Yo yo cupcake 🧁. A good video.. I am working on am old fs90.. given me some head scratching lol .. hope all is good
Very common I don’t even start a new one without setting lash myself they always seem a bit loose from factory in my opinion
Good job and tutorial yet again!!
Great Call Good job figuring that one out
Had the rocker arm come completely off the valve stem on a brand new BR800. Put it back on, set the valves and it's been running perfect for about a year now.
Thank you for running the engine at the end.
Great info Mowermedic1 with that being a 4 mix engine it has no governor like standard 4 cycle engines so it uses the weight of the cutting head and the resistance of the string to govern the engine speed i would be scared to see what the peak rpms were when that happened.
There is an ignition cut off limiter that cuts the ignition around 10,000 rpm, but no proper regulator.
Damn, I've repaired those engines since they came out, but have never seen that defect!!
I have one where the thin metal plate behind the cam gear had a piece come off, found it's way to the intake valve and hung it open...stopping the engine. Then when trying to restart, it got into the cylinder and dinged up the piston head. Other than that thin metal disc, the design is simple and sturdy
Great sleuthing! Also, I had never heard of these 4 Mix engines, so you sent me on a search to learn a little more. Thanks!
That was very interesting! Thank You for sharing this video.
I do not like any 4-cycle tiny engines, 2-cycle any day for many reasons
yep..... these "4 mix" trimmers is something id never buy.
4 mix trimmers are great, but don't overspeed the engine. Same can happen on a regular 4 stroke engine too. But I understand the love of 2 stroke engines, less moving parts, and as long as they are balanced and ported correctly, as well as right fuel to oil ratio/ fuel/air ratio, they can handle very high rpms.
Yeah, I was all set to yell "Intake PORT, ya knucklehead!" until I stopped and thought...
AND that's why you get oil in the fuel on a 4 stroke engine, because DUMB USER!
Nice work 👍 He's so lucky that piston didn't smack that valve.
No luck to it bud! It’s a non interference engine!
@@THEMOWERMEDIC1 it's a good thing too. Or he'd be "floating" more money you're way 🤣
My goodness thats a brand new piece of equipment this is the reason i stick with echos in the 35 years that i have been in buisness not one echo has let us down even some of our little srm225 units that are 8 years old that are used 5 and 6 days a week none stop here in Miami fla are still going strong thanks for sharing.
Yes stihl has disappointed me, I bought a fs 131r and it has run like trash from day 1 and all the dealer can tell me is mine is the only one that runs this way skipping and popping but old husky runs like a charm
@@danielgraham9104 Yeah man i gave up on Stihl 4mix i even tried the Stihl fs94r i had 2 of them junk carb problems since the beginning cog starters breaking i mean it was so bad that my dealer refunded me for 2 Srm2620T its been 5 years this happened and they are still running like champs one i did have to change the carb but other then that still going strong and the little srm225 those things are little champs i run those as hedge trimmers all day long doing hedges and not one has let me down in 8 years.
One's demise is always one's own making. I knew immediately it would be user error
Another tid bit of troubleshooting information to be included in the Operators Manual....! Good diagnose !
Tappits are a nightmare with Stihl still wouldn't use another brand.
I remember KM90s back in the day bent and snapped tappits all the time unless they were adjusted every couple of months.
They did also get 12 hours use a day though.
Awesome video. Great diagnosis!
The pros are tough on their equipment for sure.
Great diagnosis
Excellent fault finding diagnosis and explanation.
Great info Jeremy, I'll use this in my backyard shop brother.... thank you :)
Stihl advertises and sells a lot of equipment- yet few OEM parts on line and many times on-order at a dealer. How do you run a business if there's no support for the product?
Where do you live? I’ve never had a real big problem getting parts other then having to wait 7days for a piston once
Stihl is one of those companies that makes you go to the dealer for everything. Buy a unit on their website and pick it up at the dealer. Other companies will ship it to you and put parts online but then your not going to the dealer where they try to sell you other stuff while you're there
Interesting stuff. Thanks for the information.
Pretty impressive diagnostics. Makes sense.
very good info and pics of the problem
I'm surprised the customer didn't damage a valve and or piston. 🐯
You're an absolute genius 👏 🍕 Give this man a Pizza
You have a great understanding of the guys in the field 👍 and boy do you know stuff... 😉
Thanks 🙏🏼
Great explanation of valve float!
Great diagnosis! 👍👏🔧🧰
I actually took one of my Honda Mowers in to have it looked at because it wouldn't start. Note, it started and ran fine at one job, loaded on the trailer, and was going to mow the next backyard because again, my zero turn wouldn't fit through the customers fence. It wouldn't start to save my life, Thank god i have two of these mowers. I took it in for service to have it looked at to see what could have happened. I was told by the mechanic from John Deere/Honda that the engine had zero compression and a new engine would cost more than the mower and it was toast. Just seemed very odd him saying that when it ran perfectly fine the last yard i did with it. I got to looking on the mower and noticed and thought, Did the front of my Honda bang against something in the front, dual overhead valve on the Honda and the cover is easily bendable. I thought and looked and it looked slightly bent in like it had banged into my big mower while it was on the trailer. I took off the OHV cover and beat it straight with a rubber mallet to make sure the valves had plenty of clearance and sure enough after putting the cover back on after straightening it, It fired up first pull just like it always did before. Honda HRR 216 19 year old mowers and i love them.
Crazy that the dealer said it was toast
People dogging the 4 mix don’t know how to maintain anything with valves 😂 these things will run for ever. Way better low end torque and smokes the 2 strokes
nah... valves are easy to adjust. Something without valves is more reliable.
@@norge696 and needs rings twice as fast because a 2 stroke runs twice the rpm...
Couldn't be more right with this one!
At least we can get good deals on used equipment from delusional people
I love my 4 mix. It has lots of grunt and doesn’t have a high pitched 2 stroke sound
Yep, only takes a few minutes to check the valves and chances are they might not even need adjusting. I've had a br600 since 2014 and have only adjusted the valves once. Those engines may have more moving parts but they're built well.
Question the white part below you thumb, that connected to throttle, what is this called please?
STIHL has a great reputation along the years. The only problem is the brand. It is like FORD
F abrication
O rdinary
R epairs
D aily
Jeep. Just enough experimental parts
Valve Float plus Gravity equals No Compression. In this case.
Thanks. Great video brother
Love the K5HL in the background
Yesssir we’re not far from the main hub where they service locos
@@THEMOWERMEDIC1 which railroad
@@midwestsirens I see a lot of bnsf
@@THEMOWERMEDIC1 what is the location? I’ll be able to tell by where it is
Down town Dallas tx
Excelente Solución.
Te cuento que yo tengo una FS 111 y la pregunta es: Como se hace el cambio de aceite del motor?
Good fix.
Isn’t That an Interference Engine How Did The Valve not Hit The Piston 😮😮😳 That Was Lucky 😀😊 Great Diagnosis
Two strokes still rule!
Thanks for the info mate ,jimmy Australia
You are th Sherlock Holmes of small engines. Speakin of rich oil mixtures: I just bought a 111 trimmer. It was new and they gassed it up for me. I cut grass and weeds for a few hours and realized I needed a brush cutter. I put the trimmer up for a week and the next wknd put 40 to 1 mix in it instead of 50 to 1 as recommended. Why did I do that? Well, that's what I had mixed and the folks I bought it from indicated that it would probably work. Unh unh! Couldn't get it to fire. It seemed like I had so much compression I couldn't get it to turn fast enough to fire. I drained the 40 to 1 let it dry out. Put 50 to 1 in and after a few pulls she cranked, smoked for a few moments and has run fine since. Does that make sense. Is it the case that a Stihl is so tight it won't run on 40 to 1 or is the carb unable to do its magic on the air and the mix with that much oil. Help me out here.
You should be fine at 40:1. If the trimmer feels like it had too much compression is because it was Hydro locked. When it Hydro locks that means that the needle and seat in the carburetor is allowing fuel to enter the combustion chamber and since liquid fuel cannot compress Well there you go
Thank you Mr man
Man, 12hrs of straight trimmin!!
That was a crazy one.
Love the train sounds.
Nice video but that high end rev sucks! Four cycle??? Thanks 🙏🏻
Hi there, where I come from we say Stihl(Still) not Steel for the brand.
Great Video Medic!
You Da MAN
Hey buddy is there anyway you can put down what’s the valve clearance on the trimmer thanks for the input blessings
th-cam.com/video/jAylJAcF-iA/w-d-xo.html
.004 is what the feeler gauge measures for this unit. I measured it with dial calipers & a 0 to 1" OD mic.
I like the echo stuff better.
Berry, Berry Interesting!
A 4 stroke that requires lube/gas premix? That's a new one on me, but then I don't keep up on small engines.
It’s 20 year old technology.
@@THEMOWERMEDIC1 Thanks for the reply.
If that was an Echo it would still be out there cutting no question !! When will folk learn ???
I couldn’t agree more
@@THEMOWERMEDIC1 I take it your a Echo fan? I love Echo over Stihl for the simple reason I can get parts easy.
@@THEMOWERMEDIC1 I was going to say that the number 1 problem is that it’s a Stihl and a 4 mix to boot. I prefer Echo simply because they start easily and last but some people can wreck anything. Too many failure points on these 4 mix engines.
I absolutely agree. Echos are designed and built to last for years if kept well maintained. Even if maintenance is neglected a quick tune-up, maybe a carb clean and fuel lines is usually all that's needed to get it back running.
@@jwsystems Yep 110% learnt my lesson many many years ago My first echo purchase was a chainsaw over 30 years ago Still working Still cutting 5 chains later
the bar is the original !!! Here in the U.K. they are not so popular I keep telling folk but do they listen NO THEY DO NOT My mechanic who i only have to use for
parts always has stihl in for repair never seen an echo in his work shop till this day He recons stihl have kept him in work so always a posotive to a negative
I think the trimmer was droped on the ground.. At the same time the head lost the vacuum and the rocker arm slided to the side...
Never had one of these how often dose the rocker arms need adjustment ,jimmy Australia
Hi, Have you done a video on performing a leak down test on one of these 4mix engines?
Absolutely
Can you send me the link please?
@@mattwillshire336 th-cam.com/video/8YlmAazA2JA/w-d-xo.html
@@THEMOWERMEDIC1 Appreciate that, thanks. Was hoping you had one done on a 4mix or a how to pressure/vacc test for crank oil seal failure? I saw the video on the seal removal, Great video . Have a great day
How could the head come off with the motor running? Reason I ask I normally just get a cpl threads started and let the motor tighten the head.
That's why they pay your the big bucks my friend
Pretty sure that's what happened to mine. The cap flew off
I remember years ago a friend had a two stroke line trimmer that would not start and had very low compression.
It turned out to be a blocked exhaust.
Mason bees had built their nest in there while it was unused for a few weeks.
Had me scratching my head for a wee while until it fell over on the bench and I noticed the blockage.
Interesting for sure!
Makes sense to me 😊
Question re my , KM 110 Trimmer.
No Compression in my opinion.
adjusted valves per you instruction...Help
Wow..
Good catch ..
Wow thanks for the great information very informative
Hey what if this continues to happen. I got a 100rx this keep happen. Soon as you fix it might run 30 min or 2 days before this happen agains.
Doesn't account for the missing rear screw in the shroud cover though. Seems a bit odd.
Vibration. Stuff comes loose.
The reason it landed on the valve stem is due to the fact. The rocker arm was to loose. Therefore when the customer turned on side full bore revving. Rocker arm shifted to another seat
They should be running a standard 2 stroke model without valves. Either customer did not inform sales person on how they would be used and for how long daily, or sales person did not listen or is an idiot.
You don’t know this crew they can destroy an anvil
Which is cheaper? Or perhaps the didn't want a 2-stroke due to having to premix the fuel?
12 hours of use a day?
A case of give me the job and I'll finish the tools!.
Stihl oil the synthetic ethanol free gas or canned gas they run forever until the untrained user does something stupid 💪