I Found 5 Problems On This Stihl 4-Mix
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- Опубліковано 3 лип 2024
- I was so shocked to find 5 different faults on ONE unit! I just have to share this with you....
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✅CLICK HERE FOR THE CARB REPAIR VIDEO ➜ ua-cam.com/video/7-VpdJEJRRw/v-deo.html
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👉How to Adjust or Tune the Carburetor on a Leaf Blower ➜ ua-cam.com/video/DWPUYJiF6KM/v-deo.html
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Like getting old and going to the Doctor for the first time in a long while. Perfectly fine going in, but coming out, now that's a story.
The quality and new (innovations) that Stihl has is going downhill and yet they still charge premium prices for their equipment!
The GOAT. You can't spell the noise it makes, but it could be word of the day!
Steve's description of it sounded an awful lot like whining to me. Waaawaaawaaawaaawaaa. LOL
Why, did you ever stop working on small machine,, that's profesional in it's selfie.
Still watching and still learning..
Great video Steve. Thanks Scott
As soon as you got to the knocking sound I thought, "better to just buy a new one." I mean, I guess you could just buy a new engine but it's probably more economical to buy a whole new unit because you get a full warranty on it. I would also suggest getting an Echo as they are fairly simple to me as well as Japanese engineering seems to be of better quality than German.
I've heard from Taryl that these are problematic, especially when you do not use 2 cycle oil in these 4 mix engines.
Steve! Amazing video! Thanks so much for your time and efforts! From one Canadian UA-camr to Another! Your Fantastic!
Thanks Erica!
One big problem with the 4 mix is the wrist pin on the piston has a pressed bushing instead of needle bearing. The bushing wears out and last I heard, can't be replaced
I don’t have one of these, I just like watching your videos!
Definitely a good boat anchor ⚓. Steve😅. From Melbourne AUSTRALIA 👍🤠
Liked the video. I have never messed with a 4-mix and may never, but nice to see how to work on one. I would have quit after the valve problem lol. Keep the videos coming. Your sound effects sound better then mine. James out.
The #1 problem is that it’s a 4- mix engine. 10 times the moving parts of a 2 cycle engine and way more places to develop an air leak not to mention heavier and bulky. They are also always covered in oil and grime. They do sound cool though.
Absolutely right. A Stihl salesman over here in Germany mentioned if you like having Problems with your Equipment just buy a 4 mix engine…🤷♂️
Life was a mechanic I feel your pain. Love you buddy.
Now that's some serious engine sleuthing Steve! Well done! 👍👍👏👏
Thanks 👍
TY for Sharing
good job finding problem
In the survey I said punt it rather than rebuild. Been down that road before myself
PBR me asap! Great video Steve
I just love your info. Your tips have been very helpful. I love to learn from those in the know. It has saved me a lot of time and money over the years. Thanks again.
p. s. I always enjoy watching what beer you'll drink next. Nice add on! Keep it up Steve.
Dan.
thanks steve!
Great video Steve, please keep them coming.
Thanks, will do!
I label those types of work around my home as a "cluster*uck". Always great to see your vids buddy!!
Is this wear a result of 50:1 two stroke mixture steve or poor quality 2 stroke oil? I myself run nearer to 40:1.
Definitely could be the use of crappy 2 stroke oil which caused excessive wear or just wore out from excessive use. I don’t like taking chances with any commercial used 2stroke engines……I use the best 2 stroke oil money can buy for this application and that is saber professional 2 stroke oil from Amsoil. Use it you won’t be sorry!
My neighbor was 82 used straight 30sae oil to mix in his chainsaws he had newer Husqvarnas besides never had a problem except a little extra smoke for da mosquitoes 😂
Thank you for sharing ☮️💟☯️
Wow 😮 thanks for the video.
You're Welcome...
Hi there Steve and April ! Cheers 🍻
As always good video Steve !!
Steve, bad news for your buddy Dave but he still has a good friend, eh.
I would say it has to be from a bad fuel mixture. It’s expensive, but I run stihl’s motomix in my KM130. All the rest of my other stihl 2 strokes get premium gas and stihl oil, but my 4mix gets motomix.
😂 “your brush cutter’s f”@&;d”! 😆
I wish more repair shops were this honest LOL
Awesome video!! I look forward to the next one! Loved the question and answer videos too!
Yay! Thank you!
Similar problems with a BR600, started with the carb, adjusted the valves, but the killer was the piston rod pin cracked the piston. Installed a new piston and finally ran like a charm.
👍👍 👍. Thanks Steve
Wow. Crazy problems.....i work for a DPW...We beat up iur trimmers and get what seems like thousands of hours on those stihls. 👍🏻👍🏻👍🏻...nice work
I have had a few 4mix modules fail, they don't tend to loose spark so much, I have had them not idle hot or take the throttle, also I have had the Rev limiter drop to around 5k revs, something also possibly happening with this machine in its running is that the 4mix runs the pulse amplifier diaphragm as with this design the pulse is not as strong as a 2 stroke, with the bearing clearance you have, I would bet you would have a vacuum leak, that would also possibly cause the impulse to be even weaker, possibly causing fuel starvation at wide open throttle, excellent video, that engine must have been neglected or have done high hours, I have seen the FS110 doing 4k hours and needing a cam wheel replacement at that point, that was with the Stihl oil at 50:1
Good job buddy 🇺🇲
Thanks 👍
great beer
LOL. Its F*&ked! love the technical explanation.... and I laugh because I've been struggling to get one running myself and someone smarter than me told me replacing mine would be cheaper. so good to hear it from another source. cheers.
Thanks' Steve Who's Idea was it to get away from the old reliable 2 cycle. 4 mix is just a bad idea.
Interesting!
You put up a good fight Steve but sometimes you just can't save them. LOL. I have had to have my sales people give this same death notification to our customers many times. Usually when they are trying to rescue the machine they left outside over the winter........
Very good video Steve, the problem with the cam pin holes I know....
Is it Possible the connecting rod just needs a new wrist pin ? I've learned a lot from you Steve and I just wanted to say thank you. Take care. Rol
Sad day for the cutter. spare parts now I suppose, although it looks pretty rough. been well used I think perhaps. Peace. Have a good day out there Steve
Rentals are not particularly treated with respect or care. Dave knows this. Tell Dave his rental company got their money’s worth out of it.
Agreed!
Brother in law bought a new husqvarna put their oil in and after cutting for a week it dyed he had his son take it back for him and he said that he mixed the gas wrong and wasn't going to replace or repair it so his dad went down after work and told him showed them his gas can n they finally gave him a new one.😢 Pretty sad when they accuse the customer of doing it wrong especially when he's been cutting wood for years !
WOW!
Manufacturers say 50:1 for modern stuff. I still run 40:1 in them. 50:1 is too lean. So I’ve never heard it called 4 mix. Only 4 stroke or 2 strokes
Great vid Steve, thanks.
But as for an underlying cause? What's your guess? Straight gas?
Im surprised that thing evan ran with that many problems. Had to ne having trouble with it.
5 problems on this 4 mix weed eater 😮 that is a strange one for the books Steve
When you put gaskets into the carbs with an accelerator pump are you putting a pump piston kit in as well?
Great vid Steve!
Thank You...
I just started working on one of these. Crap. Still hoping for an easy fix.
Well at least now you have a rebuilt carburetor for another job hahaha
Sooooo, I bought a Stihl 110 trimmer from a company that use to to vegatation control out on oil patch sites. It ran great for 2 years, then started running crappy. I adjusted the valves, rebuilt the card, changed all the filters, new sparkplug, & even a new coil. Still run crappy. Took it to my local shop, & they had found out out the piston was cracked. 😢 I told them to keep it for parts, I got a discount on their labour for all their work.
The story doesn't end there.😂 Later that summer I found out my trimmer parts were able to be reused on another companys trimmer right in my home town. Saved them time, a bunch of $, & If i didn't donate those parts earlier, they would have a lost 2 days of working waiting on new parts.
I need a video on how to start a hard starting Stihl Farm Boss faster & easier.
Hi Steve. Im watching from the island of Tobago. Can you address the purge bulb and. Tube that goes into the gas tank. I have a stihl blower and when i press purge bulb that tube only sucks air. The tube is not all the way in the gas tank.
Wow, 👍🏻
Second video I've seen you drinking a P.B.R.😂 But yeah that's toast who would have thought it could be that messed up ehh
Sometimes you just can't win SteveO 😂😂. 5 problems 5 beers, call it a day 😉. Always a great video! STEVE OUT 🍻🍻🍻🍻🍻
Good one!
how many working hours is it? Which model exactly?
Theres a way to fix it... Tie it to the trailer hitch... take a LOOOONG trip on the highway and when u get home ...Its Gone..... someone stole the wacker while u where driving.... Then go ur nearest Stihl dealer and get a new one...LOL
As soon as you said fs90r I literally laughed out loud. I unfortunately have this same model trimmer, biggest piece of junk I’ve ever owned. Nothing but problems since I bought it 5 years ago. Between carburetor issues, cam and valve issues, and now the coil is bad, this thing has been horrible. I currently own older stihl 2 strokes that are fantastic machines, the oldest is an fs80 from the mid 80s still runs great. My son has an fs55 that’s 15 years old now and also runs great. Personally I’ll be looking at echo or red max for future trimmers, no more 4mix for me thank you.
Yet another "10 minute" job...lol I've had that kind of thing happen too...my famous last words, "Yes Dear...I'll have that done in ten minutes!" (said with confidence) 😯
Excellent video, but PBR, blaaaaaaa
👍
Cost of repairs, $798. Cost to produce in, edit, and star in video.. $702. Additional charges, beverages, $1500.. total cost, $3000. 🎉
Why would they make a cam wheel out of plastic? Cost? Run to fail?
That thing is WORE OUT
?Hey buddy got a slight problem. I own a NAC strimmer/trimmer. Yes its a chinese rip off item. I assume you may have come across these models. If so..... What is the best way to test the ignitor / spark stator. Both sides of the 2 wires seem to have continuity. If I connect to the switch on the throttle handle, continuity works both on and off. I know this is incorrect. 1 position should off/broken circuit and the other position should be ON/working and ready to start. Which is which please. I assume that OFF position should break circuit but is this Continuity or not via a multimeter.
Some days you're the windshield. Somedays you're the bug. Toss it in the scrap bin and move on.
I hope Steve got paid for all this effort.
Just for future knowledge that's spelled " Wamwhawamwhawam". I hope that helps
Wow, this 4 cycles engine sure ran out of oil or had the wrong type of oil in it ! Or perhaps, was it used upside down for too long ?
Time to roll it up and light it...she smoked🤣👍
FINALLY
Did it have line guard on ?
yes
Since you've done all the expert diag is it sellable to someone whose time is cheap and labor unskilled for a rebuild or is it just a trophy now?
Also, how to not let this happen on my 4mix fs141? 😂
I was given a bunch of 90 110 and 130 that had been abused by a lawn maintenance company . I threw them in the barn for a few years and I thought I would sell them so I got one out and sprayed some gas in it and it fired up so I decided to put them all for sell and my phone went crazy so I pulled the ad and restored them all ( mostly rebuilt the carbs and fuel lines ) and started using them . I ran them for a few years then they were getting hard to start and running weird and I figured out the crank seals were bad so with new seals and gaskets they run great now . They look like they were drugged behind the trailer and I know they have been abused but the run great .
Gonna need a bigger drink
Where's the tear down video to prove your diagnosis....?
If you watched the video he said he started the video after he took it apart
Your bush cutter is fu? What does that mean in Canadian A? 🤔
Don’t ask me how to spell that 😂😂😂
My audio failed just as you were going to tell your buddy Dave what was wrong with his brush cutter. What was wrong with it again?????
Should have bought a Japanese brush cutter.
Dave's gonna be pissed.
Call it a day. not worth fixing
Sounds like it should have been scrapped for parts from the beginning and the customer told just to go buy a new one.
Why ????
Not the right Mix of Petrol and Stihl Super or Ultra 4 Mix oil???
Stihl do not recommend the use of Standard 2 stroke oil in a 4 Mix Engine,
🍻
Wow, you’re really selling that Stihl.🙄 Glad my FS250 still runs, but I’ve replaced a broken handlebar clamp, and now the clutch is frozen. Don’t build ‘em like they used to.
There's your problem as you said it was a rental piece of machinery they get very well abused
Steve… would you move the ignition coil over to another machine to confirm the failure now that you know the flywheel to coil gap was constantly changing, possibly causing a loss of spark? It could still be a good used coil to sell or get someone up and running in a pinch.
Sometimes you just can't win. 😒😒😒
How was it running with a broken connecting rod???
Too many moving parts in a popcorn popper motor. Stick with a conventional 2 stroke
I Agree!
I’ve been really disappointed with Stihl in recent years. They’re pushing all that electric junk. Much happier with Husqvarna.
It’s a common thing with that machine to still run being so worn out, a then tell the owner it is completely shagged they say it was still running 🤷♂️
Iv had one in the shop a few years ago the same apart from the coil.