HOW ADJUST CHAINSAW CARBURETOR: Chainsaw Carburetor Settings Explained!

This Enlightening Video Effortlessly Explains the Meaning of RICH & LEAN Carburetor Tuning for you to gain a GREATER UNDERSTANDING.
- So let's begin: The terms "RICH" and "LEAN" refer to two alternative settings for the air-fuel mixture in the context of your 2-stroke Chainsaw Carburetor Adjustment. The performance of a 2-stroke engine, like the one in a chainsaw, must be optimised using these parameters. Let's define these words:
RICH Setting, first
When the carburetor is set to the "RICH" setting, a fuel mixture with a greater fuel to air ratio is delivered. In other words, there is a proportionately greater amount of fuel compared to air in the mixture.
Benefits of a wealthy environment:
enhanced engine starting, particularly in cold weather.
Increased engine output is beneficial for heavy-duty cutting activities.
improved engine cooling as a result of the more fuel.
2. LEAN Environment
On the other hand, a "LEAN" setting indicates that the carburetor has been modified to deliver a fuel mixture with a lower fuel to air ratio. Less fuel is present in this instance relative to the amount of air in the mixture.
Benefits of a lean environment:
longer run periods between refueling due to increased fuel efficiency.
Fewer emissions as a result of a more thorough combustion of the fuel and air mixture.
reduced carbon accumulation on engine parts, particularly spark plugs.
Carburetor adjustment is crucial.
A 2-stroke chainsaw's carburetor must be correctly tuned to a "rich" or "lean" setting in order to achieve the ideal balance between power, efficiency, and dependability.
A combination that is too rich can cause problems including clogged spark plugs, increased fuel use, and diminished power.
On the other hand, a too lean mixture may cause engine damage, poor lubrication, and overheating.
To optimise the chainsaw's performance for particular jobs and environmental factors, the proper configuration must be attained.
Act of Balancing:
Based on their cutting needs and the surrounding conditions, chainsaw operators frequently need to balance these settings.
For instance, in cold weather, where simpler starting and more power are required, a "rich" option may be preferable, whereas in mild weather, a "lean" setting may be preferred for extended operation and lower emissions.
Safety Advice
To protect the chainsaw and ensure safe operation, safety measures are essential when modifying carburetor settings. It's crucial to adhere to manufacturer guidelines, employ the proper equipment, and put on the proper safety gear.
In conclusion, the "RICH" and "LEAN" settings in the 2-stroke chainsaw carburetor adjustment are essential components of maximising engine performance. The decision between these settings depends on the unique requirements and circumstances surrounding the chainsaw's use, and finding the proper balance is crucial for reliable and efficient operation.
TIMESTAMP:
01:27 - Diagram explaining the Two Stroke Carburetor High Screw and Low Screw
02:00 - Showing the Two Stroke Carburetor Fuel Adjustment Screw Settings positioning to begin
02:27 - Where to set the Two Stroke Carburettor Adjustment Screws 'explained'
02:58 - How to position and set the Two Stroke Carburetor Idling Screw ('tick-over' screw) 'explained'
03:29 - How a Two Stroke Carburetor works and how the fuel adjustment screws work
04:34 - What is a Two Stroke Carburetor running Rich and Lean? Answered
05:01 - Carburetors 'H' screw adjusted out too much. Effects on the Engine
06:18 - Correct setting for the carburetors 'H' Screw. Effects in the Engine
07:00 - Carburetor 'H' screw adjusted in too much. Effects on the Engine
09:55 - Carburetor 'L' screw adjustment settings explained.
10:51 - carburetor 'L' screw adjusted out. Effects on the Engine
I hope you find this video useful, and I really hope you enjoy it.
Many thanks indeed
Craig Kirkman (Owner and Creator of The Repair Specialist Channel and its Copyrighted diagrammatic content)
#ChainsawMaintenance
#CarburetorAdjustment
#TwoStrokeEngine
#FuelMixture
#EnginePerformance
#ChainsawTips
#ChainsawTuning
#OutdoorPowerTools
#ChainsawCare
#ChainsawOperation
#ChainsawFuel
#EngineEfficiency
#ChainsawPower
#SmallEngineTuning
#ChainsawSafety
#CarburetorSettings
#ChainsawRepair
#DIYMaintenance
#ChainsawChains
#2StrokeChainsaw
The information in this description was created with the help of ChatGPT

[@TheRepairSpecialist]

"Tickover" is what I refer to as Idling. That's just how it is referred to where I am from. So many people have commented on this but, please know this is what I mean. Also, In the video I pronounce "H" as "Haytch" I'm fully aware of this, but please see this as a very minor thing, especially as your reason for viewing this content is to learn something about carburetors. After watching the video some people just want to comment on these two things. You wouldn't believe some folk ey! Before you comment, please think! Thanks to all of you who actually write a worthy, intelligent, or grateful comment. Craig 👍

[@fivespeed3026]

I tried to search for what the T stood for on my Stihl chainsaw, but you are the first to define it for me.

[@Zuludarkthirty]

It's the Americans that love to mispronounce words. I understood you perfectly..

[@oceanceaser44]

Fuck the haters this video is amazing. Just tuned my Stihl saw and old Elan snowmobile on your advice here. Thanks for laying it out in a way that I can use to diagnose and understand what is going on!

[@romanykemp9042]

Absolutely a superb video - the charts and detailed explanation were first rate - I can tell you put a lot of effort into this - and I for one really found value in it. There are always folks out there that have to make some critical comment because it does not live up to their standard. Ignore them. I'm an American and I had no issues with your dialect. I have a UK friend from northern UK - love the guy - but I'm always a few seconds behind in processing what he is saying :-). Glad that you are still around (7 years later) - keep up the great work!

[@aaronowens1627]

I'm trying to keep this motor running and I noticed I have 2 butterfly, if I crack slightly the outermost butterfly and rev it very high it runs quite well if I keep throttle open. The innermost butterfly is controlled by throttle, unless I hooked throttle up wrong. Plz help

[@steveransom2620]

As a small engine mechanic, and a qualified trainer, I thought this was one of the best explanations for laymen I've seen. Bravo!

[@paulwetherhill5676]

To laymen lol you ain't a rocket scientist son

[@steveransom2620]

@@paulwetherhill5676 No. I'm a small engine mechanic.

[@dentondunn4346]

Best video and tutorial I've seen explaining the work of a small carb.on a Echo chainsaw I've seen yet. Planning on tuning mine myself but having trouble finding the correct tool needed for adjusting it. Could you possibly help me with what tool I would need. God Bless and thanks in advance

[@georgedavall9449]

I agree completely Steve! Great comment!

[@connerbrennan1956]

I'm trying to adjust the carb on my weed whack and I'm confused af ...

[@reddycorum7112]

I think that you, Sir, are an excellent instructor. The information you gave was easy to comprehend and retain. I appreciate the straightforward, no nonsense way you presented it. Thank you.

[@TheRepairSpecialist]

You are very welcome. Craig

[@stijnsnelders5355]

Hi Sir , as a mechanic, maintaining diesel engines as my job, I maintain ofcourse my private equipment as lawnmowers, trimmers and chainsaws. I guess this explanation with your drawings will be the most interesting and best educational video on YT how carburetors works, and what the settings do with the carburetor and engine reaction. Congratulations and many thanks for the efforts you did, to draw and explain how things works. I'm assured that lots of hobby mechanics are helped with your video. Many thumbs up 👍👍👍 Well done Sir

[@lostspartin]

I run a small engine repair shop on the side and I always try to explain to people what these adjustments do and of course they don't follow but this work you did is one of the best educational videos I've seen good job man

[@larryreese6146]

Hey, question: what he's calling the ticker, is that the choke?

[@falconer100]

@@larryreese6146 I think ticker is idling. Throttle adjustment. Not choke. That is my interpretation.

[@bassheadlife492]

@@larryreese6146 idle adjustment screw

[@scotthsmith8635]

You are ‘da man! Thanks! I had a tree fall on my house and shed causing minimal damage but the longer it stayed the worse the damage. Chainsaw would not start. Tried everything. Didn’t run until I followed your instructions. You’re a lifesaver. Chainsaw runs better than it ever did. Now I’m going after the 3 or 4 other small engine tools that don’t work. Thanks much. God bless you and yours!

[@ernfrid123]

Iam automotive technician from 1979 to precent and work with carburetor and this is one of the best and compressive explanation on KZbin about carburetor simple working and adjust…

[@keithosterkamp6207]

I knew the basics of 4 cycle but 2 cycle has always eluded me. This was great explanation of 2 cycle carb functions. It couldn’t have appeared in my feed at a better time because I have to saws that need maintenance and now I’m up to the challenge. The drawings were a very good representation of what goes on inside the intake air stream.

[@jdy5556]

Brilliant! Thank you for taking the time to make these clear explanations. I've struggled for so long with various engines (lawn mowers, outboards, chainsaws) and never really had a clue what was happening inside. I'm confident this knowledge will not only allow me to make repairs but also to maintain my equipment and avoid the problems in the first place.

[@ilkkaoman9095]

Finally a description not only showing how to do it but also describing whats really happening.. Good work..

[@TheRepairSpecialist]

Thank you so much for your nice feedback. I really do apreciate it. Craig

[@TheRepairSpecialist]

Hi guys I just wanted to Introduce to you my other Channel "Kirkman's Academy" - which i'm just getting started. It's a go-to channel for simple explanations for hard to grasp subjects such as physics, maths and chemistry etc. Here is the link: www.youtube.com/@kirkmansacademy/videos . Thank you so much for looking, and if these topics interest you then I hope to see you on the there. Many thanks indeed. Craig 😊👍

[@kowai7777]

.. I had given up on my chainsaw.. was ready for the bin.. my arm hurt so much from trying to start the dam thing .. nothing worked until I saw your video .. and I learned so much from you ..and immediately went to the garage and did what you said .. and OMG it started straight away .. The smile on my face covered the shed.. Thank you so much for explaining the fine details .. I now feel confident in all my 2 stroke tools again ..

[@TheRepairSpecialist]

Thank you so much for your nice feedback. It's comments like yours that motivate me to continue making these videos. Craig 😀👍

[@craigthebrit1132]

the 403 dislikes are people who thinks this is a food mixer.....excellent video, very good explanation....thank you..

[@TheRepairSpecialist]

Thanks you for nice feedback. I really apreciate it. Its comments like yours that motivate me to continue making vids. Craig 👍👍👍👍.

[@martyflint3849]

😂😂😂

[@paulclancy2404]

@@TheRepairSpecialist i have 36 cc even when motor was new i had leave choke slightly closed , I do have tuned pipe and a airvelocity stack figured it just wasn't getting enough fuel because of the modification. Now motor is older its so hard to either start or if starts on first pulll hard to tune, just erratic trying get to perform and idle . I have same carburetor from a Zenoha motor im going try . I thinking even though its the common brand carb ,same brand on this replacement motor its always been defective and now ive left ethanol gas over years its shot. The spark also looks very weak is there a way to check if spark is sufficient with a meter , spark plugs always sold out at homedepot for some reason , its smaller thread ones they seem to not use anymore on lawn equipment.

[@frenchthoughts]

@@paulclancy2404 start with your idle, or "L" , screw so that it runs smooth. "L" control fuel at idle, "T" controls air at idle. Once it idles smoothly, try the throttle. If it bogs, adjust the "H" screw till it just starts to not bog. Just like the video says, start out with screwing the "L" and "H" screws all the way in and then a full turn out. Spark isn't an issue. Running too rich is your issue. The choke is only for providing extra fuel on cold startup to give it a little boost.

[@paulclancy2404]

@@frenchthoughts ok thanks, I know low speed and high , I was always pretty good at tuning 2 stroke dirtbikes ect, now I've been repairing echo weedwackers people throw away lol, and I notice the spark was alot better on them, thats why I asked. About insufficient spark .

[@mhess427]

I keep coming back to your video because it explains in better detail how a 2 stroke carb works, than any other video I've seen. Thank you.

[@catherineflatt6899]

Thank you so much for such an easy to understand video. I’m a 58-year-old female lawyer trying to teach myself to service my own equipment and this was like having the scales removed from my eyes. I originally thought that “the mixture” referred to the petrol/oil mix and couldn’t understand how you could change it once you had made it up. Now I will be able to adjust the new carburettor that I fitted yesterday, though I think it’s just the tickover that needs tweaking. Thanks again!

[@N3HomeTech]

Great video! I am an auto mechanic who has never worked on a carbureted engine. With times so tough I decided to try repairing my dad’s 30 year old weed whacker instead of buying a new one. I determined the carb was the problem and replaced it. I just could not get it running right. Your video was perfect it laid out the theory and gave me what I needed to get it running like it was the 1990s again.

[@frankmayer7960]

Strange that people who dislike vids like this never show themselves in the comments section!!!!! This is an amazing video, this is one of the best explanation on 2 stroke carb on YT.

[@smokepeddler]

For weedeaters.

[@smokepeddler]

Because it's not necessarily a 2 stroke carb. It's a super simple 2 circuit butterfly carb. Used on 2t and 4t small engines.

[@martinmaher1182]

Absolutely brilliant tutorial.. I'm a total amateur just trying my hand at doing some repairs on a few of my two stroke implements, so I was thrilled to come across this video..so expertly and simply explained. Thanks a million. Regards Martin

[@darrellkirksey17]

Thank you for this series of videos! I have never understood 2 stroke carburetors as much as I do after watching your videos. Truly a big help. On a side note people will always pick apart your content, ignore them as you are helping people. Again thank you so much for taking the time to teach a very necessary skill in today's world. It cost 90$ per hour plus parts for a shop to look at small engines which 90% of the time it is a simple carb adjustment.

[@TheRepairSpecialist]

Thank you so much for your motivating feedback. I really do appreciate it. You are absolutely right about some people trying to pull apart my work, some most certainly do just that. But it's people like you that make me understand that I'm on the right track, and for that I will keep going. Thank you again. Craig 👍👍👍

[@ManlyManStuff]

I appreciate the time you put into those diagrams, they were fantastic.

[@AJs-Projects]

I cannot thank you enough. I have spent hours looking for exactly what you have done here.

[@adventuresinlawncare3734]

I’m enlightened now. Sometimes it just takes someone with a British accent to make sense of it all. Thanks.

[@adventuresinlawncare3734]

I just repaired/ tuned 4 husqvarna string trimmers because of this video. Saved some serious money. Was looking to replace some or all. At the least, replace the carbs. They all now run better than new!!!! Thanks a bunch.

[@mike5162]

Lol

[@hammadsheikh6032]

The Brits invented it, didn’t they?

[@Tomsnothere]

Lol. One thing I realized from this video, since I seldom hear someone with a British accent pronounce the letter "H", is why my Indian friends pronounce it as "heych" instead of "eych" as us U.S. folks do. It must be the British influence on English speakers in India. But more importantly, great informative video! Now, off to my garage to try to get that string trimmer working that some scammer sold me on Craigslist.

[@joejoseph3078]

I have a Mantis tiller that I needed to put a new carb on. But then I had to adjust it because the engine is older and the factory settings were not cutting it. I just did not understand the other videos from mechanics all that well until after I saw this. Seeing the theory is so helpful for me. I need to understand how things work and not just be told to turn this screw this way and that screw that way. So this made it very clear and it was exactly what I needed to help me tune my tiller. Got the job done and I am a happy man. Thank you.

[@erichimmelreich9372]

How did you adjust it?

[@williammorlok6976]

This video is incredible. I have zero knowledge on how engines work and this video didn't just say how to do it, but actually made me understand the process so I can do it properly. Thanks a million!

[@TheRepairSpecialist]

William Morlok, wow, thank you for your positive feedback. It's comments like yours that motivate me to continue making these videos. Thanks

[@juris.m]

@@TheRepairSpecialist Hi, can you help me tell me which screw I need to adjust because it vibrated and the oil flows in automatically

[@PATRIOTPICKER]

I have watched many videos on how to properly adjust a carburetor. This one is fantastic and really gave me a clear understanding of the workings of a carburetor. Thank you for sharing

[@WV591]

The Brit man puts whole lotta time in imparting his knowledge. one of the best on tube. designated as Auto TU channel.

[@mountainmanmike8383]

I’ve struggled for decades with this and i finally got it. Thank you so much !!! This was fantastic !!

[@TheRepairSpecialist]

You're very welcome! Thank you. Craig 👍

[@toddco.2260]

If only every self help video was explained so thorough and in a way that is easy to understand the KZbin world would be a better place! Well done and thank you for saving my ice fishing season!

[@Skytriker]

When I first started work, I was under the guidance of a very inspirational engineer. Your excellent teaching method reminded me of him.

[@TheRepairSpecialist]

+Skytriker Wow, thank you, I feel very important now. Many thanks again indeed, Craig

[@kevinstearns4198]

@@TheRepairSpecialist my 150 cc scooter only has 1 screw. and it uses a ton of fuel. carb jetted to rich? its a four stroke.

[@Milesbarrington]

I should also add that I've watched a few explanations, and your's is by far the best, and obviously the one that got my chainsaw running again!

[@Milesbarrington]

Now also done one of my hedge trimmers and leaf blower!

[@Sunny-sw2ts]

THANK YOU VERY MUCH. For me best explaining video watched for long time. With no silly background tunes, concise and precise to the point! You can or you cannot teach! You can. Well done.

[@crewdogz356af5]

I learned how to tune small engines like a pro when I worked for Hobby Town building and flying model airplanes & helicopters. Same with RC cars. He did it exactly how I was taught. Always reset both your Hi and Low and do 1 1/2 turns out. That will always get you to a good starting point. Start your engine and adjust the Hi side first with full throttle and just listen. If its in the summer and or your in hot weather, you wanna run it more rich so you don't over heat it. So adjust it so you have a good smoke which means it's running rich. Also if your engine is brand new, I tend to run them on the rich side until they break in. I only run it lean in the winter because it needs to run a little hotter. Once you have the Hi side done, then let it idle and if your idle is too low it will cut off. So open it up a little until your idle is not too fast but not too slow. The Hi and Low work hand and hand together. So you know you have it right when you you can pump the throttle from Idle right up to full throttle with no hesitation. It should be smooth. If it's not smooth only adjust your low. Don't touch your Hi. You will eventually find that sweet spot the engine will love. Good luck guys!!!

[@theleastcreative]

This is the most helpful, clear explanation of a carburetor I have ever seen! Thank you!

[@TheRepairSpecialist]

Thank you so much for your nice feedback. I really do apreciate it. Craig

[@jackiechilds8047]

I 2nd your thought- clear and helpful

[@Broism]

Finally, a tutorial that makes sense. You are an excellent teacher, please Keep the videos coming!

[@LuisSolisOregon]

Best explanation of how a 2 stroke carb works! I have an Echo SRM 225 that I replaced the carburator and adjusted it after watching other YT vids, now I realize why it stops running after 5 minutes and gets hot: I leaned out the mixture too much, good thing I found this video, thank you!

[@srpownsalot6255]

This video is perfect, great job on explaining all the details out. I don't need to go to the repair shop no more. Absolutely perfect!!

[@S-tank_]

U can tell by his accent that this man literally knows everything. Behold! The David Attenborough of chainsaws!! And now i cant stop saying "carberetta"

[@justincurry3658]

I learned so much from this short video. Thank you for taking the time to make it.

[@thebjbignose]

Air force pilot and instructor and it's a long time since I've seen such a simple but complete explanation. Great job.

[@timdabowler]

I don't usually leave comments but that was the best carburetor video I have ever seen. And the time you took making all of those drawings. I hope everyone appreciates you!!

[@TheRepairSpecialist]

Wow. Thank you so much. Its not often I get a comment that nice. Thanks again. Craig

[@carlhalle8618]

You should teach. This is the best simplified explanation on how to tune the carburetor for 2 stroke engines.

[@baltin44]

"NOW"...it all makes sense thank you,thank you,thank you...awesome you da man!!!

[@ClintsTractor]

I own an outdoor power equipment dealership. I'm a dealer for RedMax, Bobcat, eXmark, Z-Turf, Kawasaki, B&S, Honda, Tecumseh, MTD, Homelite, Ryobi, Ridgid and Hydro-Gear. As well as a mechanic for many years. This is a good explanation for those that don't know anything about their handheld's two stroke carburetor.

[@MickeyMishra]

This is the second time I am watching this. And I'm doing it for PURE enjoyment. The pace, the diagrams the explanation is above and beyond. I'm no Pro, but I love to know how things work.

[@WalkingDeadServers]

Wow! What a fantastic job you have done explaining how to adjust the H/L settings on a carb. Great job and many thanks!

[@davidedwards6319]

Great explanation. What would be even more useful would be a soundtrack demonstrating the effects of mixture adjustments i.e. four stroking when too rich on high jet setting and nice two stroking when mixture is correct.

[@thomasvisser5189]

Great video. A friend of mine gave me a basic concept of one process for doing this kind of adjustment a few years ago, but he only taught me the process (and he did the low first in the process he taught me), he didn't go into any explanation of what was actually happening during the adjustment process or why. Honestly, when given the choice between being taught just a process for something without the what specific effect the actions in the process have or why vs. being taught what effect the actions involved in a process actually have and why despite not actually being taught the process, I'd rather be taught the why not the process. If you know the effect an action is going to have and why, you can figure out the process pretty easily, usually. You give the best of both worlds, and do so very well. Very, very much appreciated.

[@dougduddles8464]

This is the best explanation of a 2-cycle carburetor and mixture controls that I've ever seen! Very nicely done!

[@richgeotube]

A brilliant video with so much essential detail all carefully explained.

[@seanbrawner8741]

This blows my mind as everyone else speaks on adjusting the Low side first... im gonna go with you sir.

[@TheRepairSpecialist]

Thank you for your nice comment. Yes, I know lots and lots of people in the industry that do always adjust the low first. This is indeed a very very good and productive way of adjustment. The way I have explained is the way I have always adjusted these and I have never had any issues over the last 25 years. Because I adjust them this way, this is the way I have explained it in my video. I have used both ways of adjusting, though, and have found there to be no right of wrong way to be honest. The end result should be the same if adjusted correctly, that is an engine that runs great! I have included two links below to other videos of mine that shows me actually adjusting a chainsaw in the way I explained here. Please take a look if you can. Thanks again for your comment. Craig : How to tune a Chainsaw Correctly : kzbin.info/www/bejne/bWXTanmCoq6eodk : Chainsaw Running Problems | Corrected by Fuel Screws: kzbin.info/www/bejne/e6CZmoiKn8iEbrM

[@spelunkerd]

I watched this one again because it clearly explains a complicated system. You never know what you're doing until you understand the theory, I don't know how guys do this their whole lives without understanding basics. Brilliant video, thanks for your effort.

[@borimex5844]

Absolutely the best carburetor explanation on KZbin. You sir are a genius. Many thanks

[@mikecomstock8064]

Thank you, that clears tuning up my 2 strokes.. well done.

[@gr200000]

Well done, I've not come across a more clear concise video on any matter, thanks

[@m.g.540]

Watched this explanation, went out and put my troublesome Ryobi string trimmer on the bench seated both mixture screws and followed these instructions, now it runs very nicely both high speed and idle, "tick over" the UK term for idle speed, I will adopt that phrase as it is a perfect description for a good idle, 👍

[@jarthuroriginal]

Not very many teachers who understand first principles. Our teacher here does. And our teacher knows how to teach. Clear, concise, and to the point. Only one problem: as Oscar Wilde once observed, "Indeed, in many respects, she was quite English, and was an excellent example of the fact that we have really everything in common with America nowadays, except, of course, language.."

[@TheRepairSpecialist]

Thank you so much for your nice feedback. It's comments like yours that motivate me to continue making these videos. Craig 😀👍

[@JohnJ25]

Thanks so much for educating us, you’re such a great explainer.

[@ronaldstrayer580]

Thank you for sharing your great knowledge with us. I have watched a hand full of your videos today for the first time and subscribed. I have a chainsaw that is giving me grief with how it's running and your videos are pointing me in the right direction to where I need to start. To have the knowledge that you do and to share it with us viewers in the thorough ways that you do tells me a lot about you. Thank you again and take care,Ron

[@jose5262]

The Liam Nissen of carburetors, thank you. Sir you are a gentleman and a scholar

[@johncumming2961]

This is a great explanation of setting the screws on a 2-stroke carburetor. It worked for me first time having tried the suggestions of several other web sources.

[@TheRepairSpecialist]

Thank you for your awesome comment. I really do appreciate it. Craig 👍

[@pseudonymBOB]

This is exactly what I've been needing. Thanks a million for the well-explained/illustrated education

[@donangle5810]

Thank you so much for this video! After adjusting correctly I was able to start on the first pull.

[@dee106ful]

keep it simple stupid is the best policy and this is a brillant example of explaining something in an understable and easy to remember way. Good on you.

[@TheRepairSpecialist]

dee106ful, thank you, I really appreciate your comment

[@mainelyhistory8092]

One of the better explanations of air/fuel mixture adjustments I've seen.

[@mikesdirt159]

Thank you for explaining the adjustments. But most of all for the over all process. You have made my day. Thank You

[@MorganOliff]

A fine job explaining. Thank you. You are Intrigued by these engines and enjoy talking about them and it shows.

[@TheRepairSpecialist]

Hi, thank you for your kind comment. Craig

[@jhlandco]

Morgan, I agree with you 100%. A fine job indeed!

[@clintonkeys5159]

Morgan Oliff in

[@thomasoconnor3736]

You also act like an idiot.

[@franksintown15]

if you get your two stroke running just right you can hold that against your member and youll be amazed at the results you ll get win win @@blackspot5795

[@derekkristianson2117]

Nice, I was trying to explain this to someone and had a hard time, this was a perfect explanation. I've ran saws and two strokes for years and adjusted them well, but this actually helped me understand it better as well, good job

[@randywheeler3236]

Thank you for this explanation , I've had several people try and explain this to me and they both said two totally opposite things . With this pictured diagram it makes sense on how to adjust a two stroke carburetor properly.

[@TheRepairSpecialist]

Thank you. I really appreciate you taking the time to give me this good feedback. Craig 👍

[@smartin4052]

that was extremely educational. thanks for taking the time to share with others. really appreciate the information and delivery method!!!

[@pmessinger]

Great explanation. I've been trying find an explanation like this for years!

[@johnhardison8490]

Thank you for making these videos, I love hearing different terms tickover screw = throttle stop, strimmer = weedeater

[@TheRepairSpecialist]

Thank you for your nice feedback, Craig

[@mechantics]

Man. This was brilliant. I was right with you , asking in my mind, well it'll run high as it's leaned up, but the power curve will falter; it's a pleasure to listen to someone able to communicate a mechanical theory with such simple, elemental language.

[@TheRepairSpecialist]

Thank you so much for the nice feedback. I really appreciate it. Craig

[@muddymuddymuddmann]

Yup, That explains why it took so long for me to get it right. I was always adjusting low mix first. Then the high mix. But you and the diagram made it easy and clear. It just seems like common sense now. Many thanks. MUDDy I subscribed with a big smile. :)

[@LLuE88]

Hi there, Muddy, I've been down the same track with adjusting these carbs, some, either factory or after market folks are doing it backwards, finally it works like it should, TRS= great job of showing how it should be. regards

[@x220rulz]

@@LLuE88 yes lot of vids of people saying the hi.. its just for in the cut tuning ..always say adjust the low to get it to run lean or rich ....weird..someone said turn the low till it gets hi revs then bring it back till lil choppy sounding

[@alanbennett7635]

Quite a brilliant explanation - you should be quite proud of the effort. Very well done SIR. If I can make a recommendation - to enhance your work - would be to include the ideas of the diaphragm and how when it weakens its play on the adjustments. EOD though - very nice work.

[@TheRepairSpecialist]

Alan Bennett, thank you very much indeed for your positive and encouraging comments. I will do a video on your recommended topic. I'm just in the middle of one I have started, which I will upload soon, then on to your recommendations. Thanks again.

[@kristiwirrenga8]

Thank you very much for a good tutorial on these types of carburetors. I've never really understood the adjustments until now. Now I just need to apply what I've learned quickly before I forget.

[@uuutooob9]

The positioning of the H and L jets on either side of the throttle butterfly cause them to see different vacuum levels, and now it all makes sense. A note telling Americans that "tickover" equals "idle" screw would make a great video perfect. This video, and your "12 reasons engines bog" are applicable to MANY engine types and scenarios, not just my recalcitrant Husky/Zama. Thank you for your efforts!

[@jameznm]

I want to say thank you for your very informative video and it's really helped me understand where I'm going wrong.

[@richward8776]

Very nice explanation, very detailed. Question: you say if you make it too lean the engine could seize from lack of oil. So what's the best way to adjust? I have heard you turn the screw out until RPMs drop, turn it in until you get the best performance, then turn it back out 1/4 turn so you don't run too lean. Would you agree?

[@bradleysmith6278]

Cuando no lo esperas

[@vitalikashnikov6181]

Actually with too much air, it burns on higher temperature (if 2 stroke, there is less oil too), it can seize very easily

[@johnmccarthy2179]

I have seen a carburettor adjustment video or three, but seeing what goes on inside the carburettor makes all the difference between making a right ajustment parrot fashion to really knowing what's happening inside gives you all the confidence to understand what's going on. New subscriber

[@williamcran7950]

I have a vintage Stihl AV045 Super. I mistakenly put diesel in it! I stripped down the carb and replaced all the gaskets. Couldn’t get it to run. Watched this video today then followed the instructions splendidly shown in the video - one turn on each screw. Imagine my joy when I heard the first bang of the 87cc motor. It soon kicked into life and was quickly up to full revs. Adjusted both screws to find the sweet spot but went back to 1 full turn on both. When it warmed up I adjusted the tick over. Magic! It is as good a saw as a Stihl Magnum when running, it runs on 40/1 but I run it on 50/1. Next project my Mantis Tiller!!

[@Shank2yaneck]

This really helped me. Thank you, sir.

[@paulfitzmeyer9444]

You are an excellent teacher.

[@TheRepairSpecialist]

PAUL FITZMEYER, thank you. I really appreciate your feedback.

[@fredsmith2277]

an excellent tutorial, I would recommend this to anyone planning on making adjustments to a carbareta. it's far better and easier if you understand what each screw does, or else you would be playing hit and miss guessing games

[@jimmytwinsburg4734]

Great job, the internal drawing was very helpful to understand how everything operates !

[@SCRUBDUBBDUB]

genius! very good explanation. I totally understand.

[@ricardomacodo156]

I thank you for taking the time to explain these functions in a way even I can understand. But what is a tick over screw? Is it the idle screw and what to what does the term "tick over" refer. ...........Thank you for the education.

[@williamgeorge4153]

yes idle screw

[@philhayes4562]

Great video Sir. If you make a video explaining anything I will watch and learn. You're a great teacher.

[@thomaswalz3515]

Thank you. Your explanations are so clear, and your drawings spot on. I've three 2 strokes to fix this week. With your drawings, I am confident I will succeed.

[@jimbogasoline8559]

I recently bought a 2000 mercury 50 2 stroke and have been very intrigued to learn the motor and whats actually going on with it. I have watched several videos and you are by far the best at explaining what is actually going on with the motor. I have a rebuild carb kit coming in with new floats, jets, and gaskets. I am going to be purchasing the service manual when i get the money. The motor has 3 carbs. 1 to each cylinder. Im wondering if i will have to adjust anything once i install the kit. I am a little nervous as this will be my first time actually breaking down and installing a carb kit. If the motor was running good do you think i will have to adjust anything after? Plus i need to find out if i will have to set the float depth or will it just sit flush and use the old float as a reference. Again thanks for the video and you are GREAT at teaching!!!

[@TheRepairSpecialist]

Hi, thank you for your kind comments, I really do apreciate them. I'm really pleased you are having a go at your engine. Please don't worry too much about getting things perfect right away. The area of the engine you are working on may at times cause a little frustration but you are unlikely to make any permanent expensive damage, even if all went wrong! But I'm sure it won't. It's all about having a try and I can see from your message that you are certainly a trier. That's brilliant! When you have built it up and start the engine, if all sounds ok then great, my philosophy is " if it's not broke then we don't need a fix" so there's no need to adjust anything, which will save you some time. If it does sound like it needs some adjustment then you may well have to adjust each carb. You will learn so much from this and it makes me happy to hear of people doing so. All the best and thanks again.

[@AndysDogHouse]

You are a great teacher. I have watched a lot of your videos and they are all very informative. I have a problem that I hope you can help me with. I have an older Homelite chainsaw that won't start. It would just start for a couple of seconds then stop and spit gas out the muffler. I put a new carb kit in it and I have the same problem. I set the idle screws out by 1 1/2 turns, Checked the exhaust for clean air flow. Checked the spark plug and still the same problem. Starts for 3 seconds then floods and dies. Oh, what is the correct adjustment for the needle valve? I replaced it and the new one seemed low so I adjusted it both up and down and still no good. I don't know the best height for it. Any ideas to help me???

[@falconeaterf15]

Andy y Buy an electric model.

[@TrueMancblue]

I'm trying to get my mantis running again after 7 years in the shed, hesitantly took the air/carb off to clean and got it running to a degree. However I wasn't confident enough to start messing the H/L fuel mixtures, but this video makes so much sense I'll definitely be giving ago now. Thank you for an awesome explanation of how these carbs work, fantastic stuff......

[@50blitz50]

Thanks. What an excellent explanation of how the carb works. I now understand what I need to do in order to get my blower to work. I rebuilt the carb and now it needs adjustment. It starts but does not idle or run. Start with the Ticker being set correct then go to the H and finally the L. Very clear explanation.

[@TheRepairSpecialist]

Thank you so much for your positive feedback, I really do appreciate it. It's comments like yours that motivate me to keep producing these videos. Thanks again

[@michaelnelson9140]

Tickover? In the states, we call it the low idle speed screw.

[@stuffbywoody5497]

I'm in Australia. We call it idle as well. Watching this video was the first time I'd ever heard it called a "tick over".

[@rayw1659]

is the "tickover" also known as the throttle adjustment screw?

[@lrayvick]

tickover is king's English for idle

[@bobgraham7941]

the base position of ticker screw is done visually or by screwing to the end and backing off?

[@cedriclynch]

@@bobgraham7941 The tickover screw limits how far the throttle can close. You can adjust it so that the engine continues to run at a suitable speed when you release the throttle. You should also adjust the low-speed mixture for the smoothest idle. If the engine hesitates or stops when you open the throttle quickly, try setting the low-speed mixture slightly richer.

[@mirceapopjoe6125]

I'm beginner on chainsaw,and try to learn more about my new/old chainsaw how it works, this video is by far best I see!...I feel like I learn something!...keep it up,thank you!

[@fisherman070707]

A very concise and instructional viewer, much appreciated from across the pond, cheers mate

[@justinrrizzo]

Fantastic. Who are the 9 dumbos who downvoted?

[@99riverrat999]

Justin Rizzo There are always a few people either too stupid to know what they are looking at or so pitiful they don't have anything else to do.

[@jrskaggs1]

He also likes communist Russia

[@aaroninks]

cableaddict says the guy typing on a made in China tablet while wearing his sweatshop Nike shoes...

[@lancerudy9934]

Justin Rizz

[@hairyoldhippy]

cableaddict ...and crayons for colouring (coloring) them in.

[@gideonpresley9809]

Awesome Video I just went from not understanding 2 cycle carb adjustment at all to fully understanding ,I honestly do not understand why anyone would give a thumbs down lol GREAT VIDEO. THANKS

[@fabioandrealombardo4787]

The best and easiest explanation I ever seen, thanks

[@gregsmith0670]

This is the best educating video I've seen about 2 cycle carburetor tuning/adjusting. Especially, the detailed diagram of what , why and how the adjustments work. Thanks for sharing the knowledge.