How to Fix a Trimmer That Won't Start!
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- เผยแพร่เมื่อ 28 ก.ย. 2024
- Is there anything more frustrating than pulling out the string trimmer only to find it won't start?! In this video, I will walk you through some common issues and how to fix them.
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Scratching my head about how much time I wasted, it was the coil for me, replaced after your video, thanks, I guess at least everything else got a real good going through. 👍
Thanks buddy. Got mine sorted out after watching this 👌
Excellent video! I've just ordered a new coil for my old strimmer, had the same problem. Thanks!
Thanks for the video. Just got a free string trimmer that doesn’t run. Already has a new carb and still no life so onto spark
Nice video, Brother, I’ll have to check my coil now. Simper Fi.
Thank you for that good class!
I liked this video when I heard you say "clearance . . . Clarence".
And when he said fart….tehehe
I have a few of these style of trimmers I gad bought from a guy, none ran. Did the same thing and turns out most had a spark issue, was able to salvage 6/10 of those trimmers. Just had to move parts around on them.
You need fuel and air in correct proportions,spark at the correct timing, and compression. Used about 4 hrs. and has a bad coil. That’s why I buy Echo instead. I am only on my second one in 25 years.No valves to adjust either.That’s not acceptable for a supposedly “pro” grade machine Stihl!
I have an Echo chain saw CS-490 it's awsome
@@happyhusker1163 It is a great saw. The only thing is the exhaust deflector needs to be opened up more. The are really choked up from the factory. Not much louder and a lot more power.
so cool - thanks
There was plenty of spark on the second plug you tried
Good job
Devin, I have a Stihl mini tiller with the same engine you are working with here and I can not get it to even fire. I can rebuild this entire engine by myself and have no hesitations as far as my ability to do it correctly. I rebuilt the carburetor and it was spotless on the inside, not one spec of dirt or debris. I am getting somewhere around 140 PSI compression. I am getting a very strong spark and the spark plug is brand new and putting out a dark blue spark. I even took the flywheel off to make sure the shear pin was not sheared off and the timing being the culprit and no such luck. I've shot carb cleaner gas and brake cleaner in the carb and once again can not even get it to fire. I tried brand new Stihl 2 cycle fuel from a Stihl dealer and still nothing. The primer bulb is working properly and filling the chamber as it should. I think I about covered everything. Got any ideas?
Does it run if you shoot starting fluid down the carb? If it runs with a shot of starting fluid, you have a fuel issue. You have compression and spark, lacking air or fuel. I think it would be pretty impossible to not get air so I blame fuel at the carb.
Check the clearance of the valves!
Some time the spark plug it’s had spark when you testing out side, but! It’s won’t get fire 🔥 in the chamber. happens a lot with (Champions) brand.
I have been there. .
@@scottvan1898 Valves on a 2 stroke? 140 Compression?
Yes ! Valves on fs90 model.
Am surprised.2 stroke with valves?
Fuel only lasts about 3 months when using these so make sure you change fuel 4 times a year. Dump the old fuel in your tractor if it's dilluted enough and burn it up.
Can you come over? Nope, I got this. Air, fuel, spark! 😄
Spraying starter fluid in your engine is a lot easier than removing your spark plug and seeing if it's good. LOL.
it's always the fart plug 😂😂, I mean spark plug
Have you adjusted the valves
Nope. I believe constant valve adjustment is snake oil.
no valves in a 2 stroke
Ps i like that thumbs up thumbs down whatever your into. Sounds like you know those yank offs will be there
Couldn't see the spark on the video - they do sell spark plug testers that go inline and go red when there is a spark... If it is a Stihl then most problems are fuel issues and mostly carburatuer issues. They are cheap and are cheap to replace. Most newer Stihl kit is now rubbish - buy another brand..
"Is there anything more frustrating than pulling out the string trimmer only to find it won't start?!"
Well, trying to watch a video filmed by a camera or phone that was not securely mounted and kept shaking every time you try to focus on something comes pretty close..
Devin:"gonna pull on the cord to see if I have any spark here"......[pull...pull....pull...]
camera: [shake...shake...shake....]
picture: [blur...blur....blur....]. lol
That was done purposely because there was nothing wrong with the trimmer and the shaky camera prevented the spark from being seen.
When changing coil packs make sure to rotate the magnets one side is slightly wider so rotate 360 degrees as not to have binding issues when snugging up.
I had to change my fart plug also.
I’ve heard from a lot of saw shops complaining the new moderne of saws and weed eaters the ignition will burn up if you pull the starter without it connected to the plug. Just how did a weed eater that hasn’t been used develop electrical problems hanging on a wall if that’s all it takes all of the equipment at the stores would be bad wouldn’t they
Roger Roger, we have clearance Clarence, what's our vector victor?
I just had enough of petrol line trimmer. Going to get an electric one next and save me all these hassles.
Did you get the electric one and is it better.
Who else saw a spark when he tested the original plug?
This video was for instructional purposes. My trimmer had no issue. Only doing it to teach
Wait... what!?! Why the fakery? So you didn't really take the coil to the Stihl shop to have it tested and when you cut away and then came back it wasn't really the "next day".
Nope no spark
Size / brand of plug has got nothing to do with sight testing a spark plug. Any spark plug will work for that test. Use your noodle, mate!
I was waiting for you to test for spark again after having disconnected the kill switch, no? I thought that was what you did to check it it's the coil/magnet or not...And that there's no need to disassemble the switch area (nightmare to get pesky springs back in!).
I've just received a new coil (slow boat from China). Two wires -- black, and b/w, like your two wires. I presume one connects to switch and the other to ground (old one must just have grounded through bolt). Does it make a difference which goes where? I presume b/w is to switch. Thank you.
very detailed and good troubleshooting tips
Going to be grabbing a new coil for my 110, couldn't get it to start yesterday. I will aslo grab a carb kit too. hopefully its just the coil.
I don’t use starting fluid on a two stroke!! Only good mix!
Seems like sthil weed wacker's have a fair amount of coils that go bad.
For sure.
Except that there's nothing wrong with the coil on this saw.
Do you have kids? Your garage is to clean. I’m jealous
Thank you from England. Great troubleshoot, worked for me. 👍👍👍👍👍
It was a spark plug. thank you so much
Anybody have a link to the coil part replacement?
Am I the only one that can clearly see spark with that second plug 🤷♂️🤣 I watched it 20 times and that new plug 100% had spark lol
In an earlier comment he explained that there was nothing wrong with the trimmer and that the video was made for instructional purposes. So I guess we're supposed to pretend that we there wasn't a spark. 😆
My guy that spark plug was sparking when you first tried the replacement 😂 i rewatched 4 times every time you can see it sparking
Yeah I know, I did not have a malfunctioning trimmer to do a video on! I’m glad you caught me though!
how can it be a bad coil when @4:28 there was a good spark
you saw it and cut away quickly
nice try at a repair that didn't need doing
but hey you got your 3.4 k likes
Cuts away and comes back the next day after having the coil tested at the Stihl shop. "You can't fool all of the people all of the time, but you can fool most of the people most of the time."
The FART plug! Yes!
Do you now to fix this problem I got a weed eater for the first time and put the wrong ratio of oil to fuel and we bought a premixed fuel but it won’t start
It will start and run with straight gas. The oil is there to lubricate.
Yes, it will start with straight fuel and running it on straight fuel will destroy the engine.
I saw it spark with the new plug when u tested it, then u said something is stopping it from sparking. Did i miss something?
This video was for instructional purposes. My trimmer was fully functional, trying to show what to do if it was not.
I saw that other spark plug spark.
Hlw bro, I am having a lot of trouble with two lawn mowers. The problem with my machine is that after starting, the rpm increases and the start stops. Same problem in both. Please tell me the solution
Check for Kinled Throttle Cable or faulty Governor Spring..most don't know how to start these smaller Engines...
buy battery kind
compression is necessary for an engine to start.
Fart plug 😂
Need help with an issue inhave with my husqvarna trimmer 128ld. I changed the cylinder and piston, i also calibrate the magnets in the flywheel, I have a conpression of 100psi, new spark plug(sparks good), new carb, new fuel lines. It wont start. Any ideas?
"The coil" is an electromagnet is it? It's a coil of copper wire around a magnet which is positioned close to the big finned metal fly wheel (sorry, don't know the technical term!) which is turned by pulling the starter cord. This in turn generates the current for the spark plug. & It looks like you just bolted off the old one to have it tested & bolted on a replacement?
I am pretty well experienced with the use of 2-stroke garden machinery but not so much in diagnosing & repairing anything more than a worn out spark plug or pull cord. This video was very informative, great job showing the diagnostic procedure with disconnecting the earth connections on the coil. I will try that next. Then a new plug (the old one sparks but very very weakly), I know my fuel is good as it's fresh. So maybe I'm looking at getting a new coil.
It was ok. I see how you do a few things that will help me fix my old weedeater. Thanks
Ain’t nobody else hear fart plug 😂😂😂 I needed that laugh
My 25yr old Ryobi 2 stroke won't start. It was smoking for a minute or so before it stopped on a hot day and for months wouldn't't keep turning over if your finger left the throttle. Needed to give it 100% gas to cut
Stihl fs 130 bike handle trimmer. Very hard to start. Tried everything. Problem was that throttle cable had stretched so much that when start position for trigger was engaged there was virtually no opening of carb. Only adjustment i found is a ratcheting slide in handle accessed in small rectangular opening on top of handle. Small screwdriver pushed in and pried away from safety handle will tighten it up by moving cable shroud. Carefully take handle apart to see what i am talking about. 1-2 pull starts now. I ordered new cable.
Simplicity .Thanks
got spark. tested spark plug on cylinder head and sprayed engine starter in carb put plug back in,and cylinder didnt start ,.not even a kick.could it be ignition timing has been put out.
doesn't say much for Stihl products, only a few hours and the coil is shot? hmmm only a few hours and you need to replace the plug too, the Stihl shop has your number
Hey I have a question I have a black max weed eater and it will start up just fine cold start but after I turn it off I try to start it it don't start up
Nice one bro 😊
Thanks for your help bud 🙂
good morning I have a INCO brush cutter an it's giving me hard start could you help me get mine start
I have mine running
Thanks!
Show it workin
Cheers mate!
Thanks and Semper Fi
What if fuel does not come in to the little rubber fuel pumper button.
Then you have a clogged fuel filter, bad tank vent, or a blocked fuel line.
Fuel line in my tank was broken.
Worked perfect fer me 👍
plenty of compression,has this happened before ign timing going out.
The type I have is slightly different shape and model compared to yours
Awesome video.!!
Hi I have one.... But another brand.... I have problem it's start but when I try to open the valve for petrol and start to be use its stop
My old stihl equipment never once did this or wouldn’t start in the time I had it and always would us it heavily for work. Compared to my new stihl and even husqvarna and echo this is a common problem now smh
How fix it is throw that thing away get a shindaiwa 262. Best weedeater ever used.
Thank you bro, thumbs up
Don't use this muck...
Not impressed that a stilth part lasted just 4 hours...🙄
I have a stihl fs 250 with starting problems, it is very hard to get it started then once it's warm it will start right away but if I turn it off and let it sit for llike 30 minutes then I almost can't get it started again
Adjust thd carbueator,check the coil
Thanks for the video
Thanks for the comment
air fuel spark and compression
So our trimmer won’t start we’re here
Good video but I don't know if that's what's wrong with my trimmer. I'm just gonna take it to a repair shop
Pull ur fuel filter out of the tank and clean it. Also check the muffler screen.
From my experience with "sthil" weedeaters the coil seems to not last??
Sir may i ask you,my trimmer have a power but the trimmer cannot run
Mine was getting spark and it was wet from fuel and I took out the air filter and still wouldn’t start and the fuel is brand new. Any recommendations?
Blow fuel off of the plug. Try again
There is stable in mix
my Toro 51944 was running great right up to until I replaced the remote primer bulb and now nothing. Had ran great the day before but primer bulb was cracked, so I replaced it. Starter fluid and still nothing. There is spark but not real strong spark. I am wearing out the pull starter. Not even a cough from it. Dripped fuel through the carb and nothing.. Why did your coil fail? I have about 8 used plugs hate to buy another new one that wont help. Primer bulb is pulling fuel through the carb & spitting it back into the tank just as it should be. WTF?
clogged fuel filter inside the gas tank? then again I am a female with a jerky weed whacker that I can't get to start.
Fart plug🤣🤣
How to fix a trimmer that won’t start? Take it to the Stihl shop! 😊
Check the coil,kill switch wires,if its a 4 mix make sure the value cover gasket isnt cracked,adjust the values
Ngk cmr6h
Nooice
where do you spray the starting fluid? what part of the machine.
In the carb
!ijl
Presley
my machine, I have checked everything, the plug is sparking like mad, the plug gets wet, I only got a bit of backfire sometimes no running, no firing, sigh, could there be some kind of timing issue, I can't think of anything else
Did you adjust the carburator high side,, screw,idle screw,
@@snoopfurlow1275 I gave up and scrapped the machine, carb parts I needed were ridiculously expensive so I got a new machine different maker. I think it was just a worn diaphram but not going to pay half the cost of a trimmer to get a new one .
What!?! For my echo weed trimmer an aftermarket carburetor that comes with two gaskets, an air filter and a couple of purge bulbs costs sixteen bucks on Amazon. The OEM carb for the same trimmer goes for about fifteen bucks.
@@francoamerican4632 unfortunately my machine is a Makita and has a unique carb, they wanted more than the cost of the machine for a carb that is why I scrapped it
Always a good idea to store a half dozen super sharp chainsaws 6 feet off the ground in your garage... If you're prone to earthquakes, or when that door is being operated you may want to avoid that are with pets and small children.
It would be my luck that I would wack my head on the ends and get cut. They have bar covers for them. That’s how I store mine,
That's why I have a battery operated weed wacker I put it on the Shelf when I needed it works unless I break it you take care enjoy your isolation😷🍻🍺
Hahahaha yeah battery powered is the future I guess.
@@TheDurbinCompound you guessed right come on down and get your cookie😂😆😄😃😉😀🤣
Why are you watching this video?
He’s a long time subscriber. He did not randomly find the video and comment something to be rude.
Rah. Thanks for the in depth video.
Should be called how to troubleshoot a bad coil, what about all the other failure modes? I checked mine with starting fluid, fires. No gas in the primer bubble, so obviously a fuel problem. Was running great and then just died mid-job. Don’t know what to take apart next
I can confirm that it feels very odd to feel the spark come through your body with every "chug" of the starter
@Brayden Brian I fail to see the relevance
They are spam comments.
Nothing is up, just a 'hello' would do
Hello Chris
That's the way Americans speak. It used to annoy me that a friend of mine had picked up the habit of saying, 'Hi'. I'd sneakily respond by saying, 'Oh, you mean 'Hello''. How to Win Friends And Influence People!
What really gets my goat is that they can't just do something; they always have to 'go ahead and VERB...', 'went ahead and VERBED ..'
'This bad boy' pisses me off, too.
I wonder what speech habits annoy their sensibilities; not bad manners like criticising their English, but actual speech habits.
Buy electric if possible. You’ll save yourself a lot of headaches.