Revealing The Truth About Carburetor Adjustments. When NOT To Do Them And WHY!
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- čas přidán 29. 08. 2023
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My name is Bre. I took two years of small engine repair at the local college. When I left school, I fell into a wonderful job at a local small engine shop where I worked the counter for a couple years. In 2010 my husband and I opened up our own small engine shop in central Arkansas where I am able to work alongside my family and best friends. We see over 2,000 pieces of small engine equipment every year, and answer 1,000's of small engine questions. We specialize in brands such as Briggs and Stratton, Kohler, Echo and Shindaiwa, but work everyday on MANY other brands like Stihl, Husqvarna, Honda, Craftsman, Remington, Red Max, Troy Bilt, Scag, Bad Boy, Hustler, World Lawn, Poulan, Mantis, Etc.. Hopefully, my experience I share, will save you Time, Money and Frustration in the future!
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Although very informative, these videos are for entertainment purposes. Please use all possible safety precautions when repairing and operating your small engine equipment. - Jak na to + styl
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I'm an old fart and survived the world of British sports cars in the '60s and '70s.
I read a tongue-in-cheek book in those days called "How To Fix Your British Sports Car" ("If Britannia rules the waves, why won't her cars go through a puddle?"), and one of the chapters was titled, "Carburetor Is A French Word Meaning Leave It Alone!".
SU Carbs SUC!
Gotta love LBCs though. I’m redoing a 66 chrome bumper B right now.
Friend bought a MG and he calls me to set his Carbs ,, you got a Copy ? lol BEERS!!
Lucas electricals always fun. I once read a comment that the Brits were more interested in gluing wood to the dashboard than making an ignition system that would work reliably.
@@arthicks2566
Why would you need working inhibition when there's glorious wood on the dash?
Working inhibition? Ignition. But, I see your point. You can always sit in the car and wax the dashboard. @@tin2001
Yep, adjust a carb on a problematic machine and now you have two problems to deal with and a much tougher repair. Love your troubleshooting methodology focusing on finding root cause.
As a fellow mechanic for over 35 years,I really enjoy your methodical approach to diagnosing and finding the root cause of problems.I find it extremely satisfying.I have found a kindred soul at last ! Keep up the great work.
The most sound, sane advise to be had from CZcams (when it comes to small engine repair at least ;) Great Video!
So many times the carburetor is the problem so that's the first thing I think and so many times I waste time cleaning , adjusting, replacing ect. just to find out it's not the problem ! Thanks for a lesson I wish someone would have pointed out many moons ago...I will remember your words , TY !
Chain spinning at idle usually only has 2 causes: "LA" screw (idle speed) or clutch and I think the clutch is the easier one to check first. Good stuff as usual. Thanks
You're right about the clutch being easier to check, so I would recommend doing that first, but when it comes to the idle screw, I would have to disagree since there could be a huge list of things wrong that could affect the idle RPM of a saw which in turn could make the chain spin at idle even if the clutch is ok.
If you had an air leak it could raise the idle RPM.
If you had fuel problems it could raise the idle RPM.
If someone leaned out the low screw too much it would increase the RPM.
Needle bearing failure will also cause the chain to spin at idle.
@@RobertNES816 True, but that's basically right next to the clutch so you would notice that if you inspected the clutch. Hence why a broken needle bearing effects the functioning of the clutch to begin with.
I agree! I only had to adjust my Carb when I moved from sea level to 6000 feet altitude. At first I thought it was the fuel, but no. Half a turn or so and she idled and ran just great.
Great video! I love how you showed all the steps you took to fix the saw!👊
Just discovered your channel and I love it. It's funny how hearing about machines I've never owned is broadening my understanding of the two cycle world. I think that's attributable to your experience and how you talk about the problem at hand. Thanks for growing us!
😊
Yep... That will do it . Like you say it's not always the carb.. would you recommend changing all the springs ? Instead of changing the clutch?
When your time is worth more than the parts, you replace the parts in the quickest way possible... especially if you're going to have to provide warranty on the job.
A trick I found that keeps you from damaging the rewind without having to remove it. Just pull the rewind rope out a foot or so and lightly clamp the rope with a cheap spring loaded plastic clamp. when you turn the motor backwards the rope will slide easily through the plastic clamp. No rope or rewind damage done. I figured this out on saws where removing the rewind housing is a pain.
I really like your channel and you have a very good way of presenting your ideas.
You are fantastic! thanks for providing us shade tree mechanics with such good information.
Back in the 70s right out of high school I had a pincor lawn mower. I loaned it to my neighbor, he dinked around with the carburetor without asking me first, and it never ran right again. I think he damaged one of the needles.
Thank you for taking the time to shoot and edit these awesome videos.
I just ordered carb. adjust tool for my Husqvarna 120 mark II which I have used heavily for a couple of years and was planning on adjusting the carb. because it wouldn't idle. But saw your video and now I'm going to re-think this problem, and go through the steps that you suggested. Thanks for sharing your insight and wisdom that only comes with experience.
On my Echo SRM-225 weed trimmer has always been a very powerful great strong running machine and after 2 years it started to bog down when I’d give it the gas. So pulled the muffler off to check that screen that the exhaust has to go thru before it enters the muffler to see if it was clogged. Sure enough clogged bad so I cleaned it but thought I’m going to not put the screen back in and see if it is even more powerful. The sucker runs a bunch stronger and now cuts thru those big fat blackberry vines like never before and actually the string is not breaking as often. I soak my string in water for a couple days like she showed us no this channel and it sure helps the string to not break near as often. So thank you for your videos!
I appreciate all your hard work to bring videos to complete strangers. ❤❤
Thank you so much. My husband watched and you were a huge help as the exhaust on the Stihl weedeater was plugged. Pat yourself on the back - you saved us time and money! Appreciate it.
Hello, I have been watching your helpful videos for a little while. They are very helpful in maintaining my equipment. I just went thru all my equipment, following your advice. Thank you for your generosity of information. Have a blessed day , you made my year.
I new right after I started watching the video the clutch spring was broken . I restored several chainsaw with a broken clutch spring and I have had several clutch springs break on my two FS 130 Stihl string trimmers that are my trimmers I use all the time . They usually break on shut down I guess because the next time I fire them up head won't stop turning on idle but I usually just deal with it till I finish trimming and repair the clutch after I done. In case you haven't heard Novice Lumberjack was speaking highly of you on his Tube channel .
Thank you so kindly for sharing your craft! The mystery of the internal combustion engine... what a marvel of technology. So much energy packed within the "battery" called "gasoline." It is so efficient, safe, and easy to recharge.... And yes, every time use one of those small engine tools, 3 or 4 times a year, i always wonder what grief it will bring me.... 😂. Except for my propane powered weed trimmer... Starts on the second pull always...lol. Thank you again. It is hard to find good content creators who actually know everything about their trades. Presentation is everything!
You said a mouthful when you said “I want to know why it needs a carburetor adjustment”. Great video.
This is a great example of a needed suggestion I have made in the past. She does a great diagnosis and repair of a specific model of chain saw, but that model is not mentioned in the description, and therefore not searchable. All the people with an Echo 355 chain saw who search for a repair of that model will not come across this great video. Please tag your videos with the brand/model of machines you fix so that people searching for help with their machines will find this help.
Thanks to your videos, I figured it was a bad clutch from the start! Nice work!
I love watching your programmes. I am way beyond having to fix small engines like these, but I still like to tinker on my Ford 3.0 l. V6. You have taught me to be methodical and to process and work on things in a logical manner. But, most of all, think outside the box: "Could it be something else?". Keep at it! ☝🙏😀
Even the best , can get stumped sometimes. Thanks chick for sharing and showing us what you know. You have surely helped me, many times. Thanks from the bottom of my pocket book.
you're absolutely right .... my 30cc brush cutter hard to start last time ? ran full nose about 15 min then stopped the carb fell off and was sitting on the tank ? i bolt it back on instant tune up lol
I've been a small engines mechanic for 34yrs, I like you videos diagnose with you. Lol😂 Good job Chickanic Nice to watch a mechanic who knows what they are doing.
You are absolutely incredible! I learned about 82 things from this video. Thank you for what you do
Funny, I immediately thought of a stuck clutch when I first saw the problem.
Thank you for a very informative channel!
I appreciate the detail into WHY we shouldn’t just jump to a carb adjust. Thanks for sharing your knowledge. Cheers from Montreal, Canada!
Your vids are really helping people.
Well informed users can know, adjusting the carburetor doesn't fix a faulty clutch.
Bdw, at lawnmowers I usually fiil them up with fresh fuel and empty the float bucket(is that the right word for it?) That fixes most problems.
Fix the problem, not the symptom. Great diagnostic work!
Follow the routine approach to fixing for you know it works. Nice recovery of the lost spark plug that was suppose to be a factory install. Great video and a pretty easy ECHO fix
I had same problem on a Husky 555. Fixed it with just a single clutch spring.
I really appreciate your take on this subject. A small engine not starting after checking a few simple things like expired fuel, clean air filter , spark etc., and then immediately turning to "my carb needs adjustment" does seem out-of-whack. Case in point my older Stihl 029 Super would fire but then almost immediately stall. I did order a "tune up" kit as I wanted to make sure the fuel filter wasn't the source of the problem. However, when I thoroughly dug into the issue, turns out the fuel line had a split in it that was not visible until I removed the fuel line. With that split, sucking in air and quickly going lean then stalling was actually what was occurring. Would have been so easy to just point to carb tuning but obviously it was something else, exactly your point of this video 👍
Great information on what to check before getting into adjusting carburetor.
Thanks for the video Bre nicely done ❤❤👍. Take care of yourself and family and be Blessed ❤️❤️.
My old stihl 170 saw got to where it wouldn't stay running so after I adjusted the throttle just a bit it stays running. Maybe that wasn't the way to properly way to do it but otherwise it runs fine. I did awhile back have a hard time starting it so I drove to the dealer and he started it on the first pull. I was amazed and maybe it had something in the carburetor and as I drove to the shop while it bounced around in my truck bed it fixed it. Oh I tied it down so it wouldn't move much.
So Wise , Thank you . A fine example of a REAL Mechanic in ACTION
your enthusiasm is so cool
Ha! A couple months ago my chain kept spinning. First thing I did was take off the clutch assy and put it back on. Haven't had a problem since. However, Chick's step by step approach is a solid way to approach all your equipment repairs. BTW, no piece of lawn, garden, and woods equipment is finickier than a chainsaw.
Such great insight. Thanks Bre!
Great video Bre more useful info from you, always interested your systematic approach to different tasks, thank you.
That's funny.
At the beginning of the video you mentioned a bunch of things and all I could think of was a bad clutch.
I never would have thought of the carburetor.
Thanks for all the helpful tips ,I appreciate your channel ❤ God bless!!!
Hey really cool info, hope I will remember this if ever needed, thanks.
I really liked this video. I saw what was happening and my first thought was a clutch problem. If you look at what's happening and think about it, it becomes obvious where to look for the problem. The saw was idling properly with the chain still engaged. My first thought was the clutch was stuck or physically damaged. Thanks for another great video, and leave the carb adjustments alone. We'll see you next time.
Love it. Keep them coming. Regards to you and your family.
Another straightforward and informative video. Kudos!
For several years I had a mower with a Briggs and Stratton. It used to temporarily lean out every spring. The easy way was to adjust it richer and start mowing. When it started to run rich I put it back where it was. It would be OK for the rest of the summer.
Good morning 🌞 from Alabama Ms. Bre. Chainsaw at first , l have a couple that needed adjustment got lucky. Have a great week an weekend. An thanks again for this video.
Awesome have found this on Sthil demosaws and dry clutch bearings on chainsaws Husky & Sthil
100% on exploring beforehand. You'll find a lot of shouldn't be's! Love this video! Also! I believe the biometric pressures of the day have major issues on small carburetor engines! Just my opinion here!
Thank you for the behind the reason you found the issue.
Truly excellent video. Very informative and helpful. Thank you!
I replaced carb and installed fuel cutoff on Husqvarna lawn mover last season. Just replaced carb and fuel lines in my Husqvarna backpack blower yesterday. Today it's lawn day and my Stihl string trimmer decided not to start. I'm not a mechanic, not good at fiddling with small engines, and getting frustrated. I'll keep watching, you'll keep showing me how to fix, and I'll get through it 👍. Thanks
Now if you know how to replace a fuel pump on 2005 Honda 1800 vtx motorcycle, I'll be in business hahaha 🤣🤣
Worn cranky seals can also seem like a carby adjustment needs doing. The thing is that as the machine heats up and cools down the leak increases and decreases so you just never get it right. Test seals and if leaking replace, you'll also find that it all comes good.
Great vid and tips as always, thanks! 👍👍
Thanks, that was very helpful.
First time chainsaw buyer, even thought I bought a cheap one. After watching some of these vids I figured it was just a stiff diaphragm. Chicanic saved me a headache and I appreciate it.
For tune ups or taking out of storage, I pull the side cover off and remove the chain, chain bar and check the bar adjusting system and oiling system. This is in addition to the spark plug and fuel system checks.
I'm not a small engine person, i am learning tho. I was listening to you going thru your process and went to the clutch also.
Awesome trick.
I think i need to change my saw’s clutch springs soonest.
Learn something every time 👍👍
Smart girl thanks for the heads up!
Thanx love learning from you hope you have an awesome day
Learned something new today. Thanks.
Great repair, your expression is hilarious 😂 when it runs properly.
Nice video ,as always ,thanks ! Having a 22 year old Echo CS 3000 that has never given me a problem starting or running ! It has worked like a commercial saw due to my not having $ for a bigger saw and heating my house solely with wood only for many years ! I am almost ashamed to admit ,I sharpen my chains and run good Echo Or Stihl Syn Oil only . It is the original bar that I have dressed numerous times ! I did a compression test on it the other day and it immediately comes up to around 90 psi and 120 after couple pulls ! Should I just run it till it blows or would something like a carb rebuild help it some ! Still starts good ,little tired after all these years ,but so is the guy running it ! Just wondered if it's best kept as reserve back up status ! Your opinion highly valued ! My Stihl MS 250 is my daily driver and works hard always ,never let me down ! Thanks for your videos!
That is one experienced Chicanic , great video
I had same prob on mine, I just put a new spring on it. For few bucks I got 3 new springs.
Totally on point.
Thanks Bre
Hi m8, thank you for the great vids. We have a JD110 ride on and a Huski articulated AWD ride on. We only watched one of your vids before we became addicted. My wife an I love your style in presenting.Cheers from Australia m8. :-)
Brilliant, you are the best. Thanks for the great vid!
Another fine job !!!! You are the best,
Been there done that.. Now that is first thing I check.😊
very informative. Thank you
You go girl 👏 😮😅..thanks for another informative session...cb
The clutch was the first thing that came into my head. I must be a better mechanic than I thought.
I thought clutch too. And I'm just a computer janitor...
I would like to know what happened to the clutch spring. Oh,by the way, I love your instructional videos. Thank you.
That's a good to know lesson. Thank You.
TY for Sharing
I work on a lot of cut off saws Stihl ts410s and a lot of the time it's clutch springs that are broken. New subscriber, enjoying the videos.
An unrelated topic for us older folks to watch out for on newer chainsaws to watch out for is:Is the chainbrake on? To say the least saws don't start or run well with that on. On old saws that piece is just a hand guard..
You are awesome. Thanks for all you do
Thats a great video. I too go to the carb and had the chain still move. I never thought of looking at the clutch. Have you ever tried Super S premixed fuel?
More good stuff *FOR US* Thanks!!!
Thank you from Northern Missouri
Great video! Reminded me to check other things 1st.
Correct many steps needed before adjusting a carburetor spot on for all the inexperience diy mechanics , i was chearing ya on during the video ya hit all the points. Sitting vs heavy use failures to exhaust blockages to primer blockages in tank fuel filter clogs you name it
My 362 has that issue from time to time. It is one with an adjustable carb instead of the MTronic. I never touched the carb adjustments. As it turns out The clutch drum likes to get full of dirt
I had the same problem on an echo cs60s.
Very cool I hope I remember that.
Thanks for the info! 👍
Would it save you having to take the recoil off if you pull the rope out maybe halfway and pinched it off or maybe put a knot in it before you put the piston stop in and then when you're tightening up the clutch gradually feed the rope back in as you're tightening the clutch until the piston stop hits?
Great Job!
I've got 2 sweet little Arborists saws that cost $100 new. They are only Homelite brand, but they are light and easy to use. Both have issues. But here in Australia, it cost more to have them looked at than it does to buy a new 1. I guess one day, I'll have to learn to fix these myself.
ive been cursing at my machines fr two years ... this video helped ... i had to apologize to my machines after i changed to putting the right fuel in... thanks
Great Job, Thanks !!!!