Man, I went to school for motorcycle/atv repair, and have worked in shops for several years, and nobody has ever explained carbs as well as you just did! All I can say is wow, and thank you.!
Great video! At a point where I love working on everything myself , and this helped me so much about tuning a carburetor. So anytime you need to adjust pilot or main, you put different size jet in entirely? Needle jet you can adjust w the different rings on needle....
You was right the flow height need to be adjusted but I don't have nobody to do it ain't no good mechanic down here where I'm at they don't know nothing
I've been a mechanic for 7 years, I work on old cars, chainsaws, motorbikes, and have messed up more carburettors than I'd care to admit, to get to the point I'm at now. When I did my apprenticeship the training organisation only spent a 3 hour lesson on carburettor function, and we never worked on one. This video should be standard viewing for any mechanical course. It explains everything perfectly, and I'll be sharing it with anyone who cares to listen. Well done, and thank you!
@@RollingWrench Super informative content! I live in Albuquerque, which is the same elevation as Denver. And I am having an issue with my idol circuit. It is a 21 mm OKO Carb and I am running a 30 pilot jet and I'm still having trouble with the motor not wanting to stay running at idle. It came stuck with the 40 and I've been working my way down. Seems to idol a little better with the 30 but still not there yet. My question is, do you think it would be OK to go down to a 28 pilot jet. That is the smallest one that I can find for this carburetor. Mid range and wide open throttle are great. Thanks my friend👍
I got to this video because I built my own jetski, it idols perfectly but when I throttle nothing happens. So now I'm hear hoping that a carb tube up is all i need
2 years later and this video is still saving marriages! I was so pissed off trying to get my carb tuned and the enrire time i was trying to fix my idle by screwing up everything else. Thank you so much for putting this out there!
I like how you put marriages in there because it most definitely makes for an angry husband when he can't figure out how to adjust his damn carburetor! Haha! That was me a few days ago, now it's time to put this video to the test and adjust that carb!
Makes an angry wife also. All that time wasted trying to tune the carb, you coulda been working on that thing you've been promising to fix for several months @James-c8m8x
If a person can't tune a basic carburetor after watching and reviewing this they really don't have aptitude for this and shouldn't be messing with it. Truly a comprehensive video and very well explained. You are absolutely an asset to the engine community! I have tried a few videos and I don't get more than 500 to 600 views and very few subscribers. You are absolutely doing it right with video making as well as all the valuable education you dispense. Very much appreciated. I have your wheel set, while gy6 swap kit, the fat tire kit, carburetor and engine brain. Absolutely quality parts.
I've been tuning carbs for years on everything from 2 stroke to brig's to VWs to racing V8s and many multi carb set ups from street strip racing and off road rigs. You have definitely explained in 30 minutes what I spent many years early on to learn trial and error as a young man. I'm the go to guy for my buddies when it comes to tuning carbs and timing and over all engine flow from air in to the exhaust out the end of the tail pipe. From now on I'm sending the guys that come to me to your video so just maybe they can learn for themselves. Teaching guys about tuning carbs is like talking French to a Spanish taught cajon You got it covered down to plain English.
Having been a teacher part of my life and an engine DIY-er I think this video is one of the best I have ever seen. It is extremely well planned, documented and explained part by part. Hoping you will appreciate positive comment to make it even more perfect, you could spend a bit more time on pilot jetting versus the turning of its mixture screw (with the wideband in place). As an addition you could also mention some carbs have a separate idle air-jet on the filter side of the carb. Thanks a lot for taking the time to make the video.
Very informative and helpful, I have watched this video several times and it's helped me tune my Grom clone with a 212cc big bore race engine and Nibbi PWK 30mm carb. Your tip saying to make sure the "throttle cable has some slack and free play" saved me because my throttle cable was too tight and pilot jet was too small. Thanks for sharing your knowledge and keep up the good work!
FINALLY!!! I got to understand carbs. This video is the BEST on the subject. Your "methodical" way of approaching the subject from start to end is exactly what we need to start knowing carbs. Thank you for this wonderful, educational video.
A lot of work went into this and I hope everyone learns something and appreciates the trouble this guy went through. I'm 73, been flying two cycle ultralight aircraft since 1978 (call it 44 years) & recently Paramotors. Even I learned quite a bit from this. Many thanks to Mr. Rolling Wrench!
I am a snowmobile/ATV/PWC mechanic of many years. This video was exceptionally well done. Something to add.. You start with the pilot circuit because that jet is there from beginning to end. It continues to spray along with the other circuits. You need to get that one right first. He does exactly that, I am just pointing out why. Excellent video, well done sir!!
Thanks for this... i was wondering how that worked. It makes sense that all the jets just add to eachother because it will need more and more fuel when you open the throttle (air) more.
This by far and above the best carburetor, tuning informative TH-cam video in existence. This mans knowledge & expertise makes all of these other TH-cam video’s on carbs look elementary. Great job man. Definitely earned a sub.
This is hands down the best carb tuning video I have ever watched. So much information presented in a way that is extremely easy to understand for anybody at any skill level. I’ve been working on small engines (ATVs, snowmobiles, dirt bikes, etc.) for the better part of 9 years and learned a lot of what I know through trial and error. Never have I ever seen somebody explain carb tuning so well and make it as simple as you have. Amazing video! I learned a couple things I wish had learned when I first started.
YOO thank you my guy 🙏 just rebuilt the carb on my 1990 Suzuki DR250S but I was having some trouble tuning it, found this video and got the idle and fuel screw "set". But during the test ride i was stumbling at around 5k rpm when I full throttled it, and acceleration was poor overall. So I came back and watched more of the video and your test rides, and thats when it clicked. I checked and sure enough, my old main jet was bigger then the one I got in the rebuild kit. Since the main jet didn't necessarily need replacing, and i learned about the float bowl drain giving access to it, i was able to quickly rotate it, swap the jets, put it all back and just like that the bike is running good again. Long story short, while its been running and rideable, ive been troubleshooting, working on, and riding around many issues during this restoration project for the past 3 weeks, and just to top it off its my first bike lol so thanks again for helping me with this crucial step in the project! Next up are some proper enduro tires (currently has motoX) then a Trail Tech head unit and turn signals. Best of luck everyone, and ride safe 🤘
This is an excellent video. Months ago, I wrote of sharing value of your experience--instead of making info-tainment, this is the kind of thing I meant. I've worked on all kinds of mechanical contrivances, but back when I had my old motorcycles, they didn't have a power jet, so I learned something too. Thank you.
I loved this video!!! It makes it so easy to understand and when you have that one customer that has got it all backwards ,this video can stop all the what if questions before they get started... Point Blank Period!!
For dummies like me out of all the YT videos I’ve seen on how to tune a carb your explanation was the MOST thorough and understandable! I have a 2 stroke Daelim Cordi and just slapped on a power jet carb to see how it works. I had problems with what jets to use but after watching your video it runs like a champ 54mph I almost gave up on this carb but thanks to you I didn’t waste my money. Thank you very much keep up the good work 👍👍
I've been shade tree adjusting carbs as needed for years, sometimes great sometime horribly. That just explained everything. Best tutorial on this subject ever. Thank you very much!
Gotta say I really appreciate the level of detail. I just cleaned my 4 carbs and took the opportunity to re-jet my 2007 Yamaha RSV because I added Monster Ovals and K&N air filters last year. Since then, the bike only ran at 1/4 choke (Mikuni plungers). When I tore them down, all the jets were clear, but the float needle gaskets seats' seals were hardened and started leaking which is why I did the job. Went up from 15 to 20 on the pilot jets and from 115 to 122.5 on main jets in the front banks and from 123 to 125 on rear banks. (Something like that. Can't remember the exact original size on the rears. I still have all the original parts though). Set pilot screw at 3 1/4 turns. Got it put back together, and she started right up with little initiall choke and ran strong at cruise speed or WOT but was getting afterfire and a little flame on the left pipe during deceleration, which I didn't mind much. Actually liked it, but didn't want it ruining anything or fouling the plugs. Fast forward to 2 days later and it wouldn't run long on cold start. Choke didn't help but actually wouldn't run at all nor start with choke. So now after watching this video, I'm thinking I may have to lean out the idle circuit as I have a sightings better understanding
I have a TVS tricycle and it's too rich and very gas consuming. I tried several times to do the jetting but it helps only a little. Your video gives me complete idea of jetting. Thanks bro. Cheers from Indonesia.
I can just tell by the length of the video and your intro that it's worth watching. I've messed with carbs on 2 strokes mostly and even have my banshee with 2 synced carbs working perfectly but really appreciate these videos. It's free continued education
The absolute best lesson I have ever witnessed on the topic of carburetors! Introducing all the "players" at the beginning so as to establish a vocabulary was a classic instructional technique. Taking the time to explain not only the purpose of each part but how their functions were related was superb! The cause and effect scenarios for rich and lean and how to remedy the situation for a near perfect stoichiometric ratio were exemplary! You have a gift for taking what can be a very complex topic and making it easy to understand so that others can put the information to use with successful results!!!
Excellent video...My 2 stroke dirt bike was bogging down off the starting line, now I know why. Thanks to this video I now know what the problem is and how to fix it. Thank you !!!
Great video. Watched it at breakfast, bike carb out, cleaned, jetted and running better than ever by lunch. First carb service ever. Thank you. So happy.👍👍
Thank you. With this video I was able to tinker with my 80CC four stroke bike engine. It was giving me 15 mph and the motor was bogging. We tuned the carb, got a better exhaust and changed the sprocket for a bigger one more top speed but sacrificed acceleration. Now it easily reaches up to 20mph.
@@RollingWrench got a bog with rapid throttle snap otherwise runs perfect PZ30 pumper carb. On cg250 air Any thoughts? Cam bored and coolers + exhaust are done.
Mate I've been working on cars and bikes my whole life and have a lot of experience with carbies and I have to say your video is one of the most informative and very well thought out/planned videos on carbs I've ever seen! Good on ya! Cheers from down under! 🇦🇺
Thank you for all the time amd effort you put in to make this video. I thought I already knew how carbs worked and how to set them up and tune them. This video let me understand how my turning of screws actually altered how the carb functioned. I came across this video as the top You Tube recommendation after watching a video by Dustin of the "Smarter Every Day" channel. He had built a working see through Carburettor and uses a high speed camera To show how the carb uses the venturi principle to mix the fuel and air for to the engine to use. All though he had the choke and throttle on his see through Carburettor his video only showed the principles and not a real life carb. But by watching his video and then yours it gives a perfect understanding of the carbs working principles and then yours shows how those principles translate onto a proper engines Carburettor, what all the screws control and how to use them to tune the carb to its full potential. Both videos I think were brilliantly made, easy to watch, well thought out and turned a fiddly job into something much easier to do. Thank you for all the time and thought you put into creating a perfect mix of a good quality video and great subject and educational content. Keep up the amazing work, you just got a like, subscription and a notification bell ring. I'm now going to look at the videos you have made previously and probably binge out on them for a good while. Thanks again.
Wow man that is the best tutorial and explanation I've ever seen! I knew a couple of the basics but you just brought everything to light and hit a home run! Thanks for the information.
This video is def the most detailed video about carburetor tunning ever ... And i would have NEVER thought to slap a wideband on a motorcycle even though it works the same as a car 🤯 ...
Thank you so much, got a old 2003 Yamaha ttr90 that sat for 10 years in a garage, got a new carb and kept rev bombing as soon as I started it, thanks to you it runs beautifully
That was one very informative, easy to follow explanation of carbs! Thanks for taking the time to create such a great video, it is truly brilliant! Cheers!
Well done in order and layout, this is a process that needs attention to details, and you have identified every component to follow and understand functionality my 10 year old can tune a carb thanks to your demo . .
I stumbled onto your video, almost gave up on looking further just before I did. What amazes me is after watching your video twice, I have no questions and im not pulling my hair out. Some people like to hear themselves talk and provide little to nothing important, they should watch, listen and learn from you..i know i did. Thank you for taking the time on making your very informative, quality video. I am now a loyal subscriber. Gotta love it!
by far the best explanation on how carbs work and how you tune them all in one video you did a fantastic job at explaining how and why a specific change effects the rpm and mixture
Excellent tutorial, thanks for the work you put in to this. I rode modern sport bikes up until a few years ago, all with EFI, but recently got back in to riding with a single cylinder carbureted dual-sport. This will help me tune the carb and get the best performance possible out of this little thumper.
Well prepared, I've been trying to teach my son about how carbs work. You just saved me hours! This explains it better than I can. Also, I always thought back firing on decel was rich but logically, it's when enough fuel gathers to pop. Makes sense. Really appreciate your effort.
I found this really informative and as a keen motorcycle enthusiast with hardly any knowledge on how to maintain bikes I firmly believe that I could do what your video shows. I may need to watch it a couple of times more but I definitely will be having a go. Thanks for the lesson.
This video made me realize that the float has a needle, when I took it apart it bounced under the tire of the mower and I had no idea to look for it until watching this. Now it's running again and I can feel like a proper home owner lol
To be honest, for a beginner this is something to always come back and reference from. The skill will set in over time but this is really informative. I also learnt to be careful with gas on that "o" ring when you opening your carb. I also learnt that backfiring is not "rich" but "lean"... lol that really helps to know.
Duuuude! You showed up exactly when I needed you. Have a PWK that I'm working on and couldn't find a decent video for that type of carb. Thank you!!! 👍
I am so happy you broke this down. I bought a Yamaha Virago 750 two years ago and did some cleanup including rebuilding the carbs and I know it can run better. Now I know just what to do. Thank you!
The front cylinder exhaust is almost non existing at idle but normal at cruising. Then when I get up to 65mph I am losing a cylinder which comes back when I slow slightly. This is a result of bad tuning, correct?
You just knocked this carburetor construction and operation roadblock out of the park for me. I now have the knowledge and confidence to face this menace which I have been avoiding for years. No longer will I raise the white flag and surrender to a poorly running carburetor!! I got this, thanks to you and your highly educational video. THANK YOU!!
Dude 2 years later and still relevant i was scared to change my carb on my 2023 ruckus due to the jetting, have a performance exhaust, air filter delete, and pressure tube and all i needed was the performance carb now im going to change it and see how it goes thank you!!!!
This was the best explanation about jetting. And I'm not mechanic. Got some knowledge all-around from my father's. And this is valuable for me because I'm setting up my 08 KLR. Got a Big Gun exhaust and k&n filter. Getting decel pops and idle mixture screw won't give me more flow. Running 2 turns , don't hear any increments. When I reach 3 1/2 turns, the bike shutdown. Let's do it 👍
You nailed it, all in one technical explanation as connected to the actual site condition. Double Thumb's Up. This guy , he knows what he is talking about with solid output and really skilled unlike others that are pretenders .
Subbed!!! I'm a Motorcycle instructor in Ohio and our carbed bikes are Teedubs, a ton of old Rebels, and a few Suzuki GZ's. My personal bikes have been carbed and I'm definitely no expert, but I have limped my way through adjusting them so they run. Your video clarified and integrated lots of the information I had cobbled together in my head. Excellent!
Thanks...Tunning 150 cc two stroke . After watching Ur first video I have come up with exactly what u did here ..115 main .needle down a bit ...and I am gonna go down on the pilot at it bogs bad...Great videos .
Best vid ever!!! Been trying to get my Virago 535 running for over 20 years now, get frustrated and try again next season. Someone buggered up the carbs. Replaced jets, top end reworked, still has issues. After watching, I now know too lean, dies with slightest turn of throttle. I'll try again. Thanks!
A friend shared this on Facebook. Well done 👍! I'm 58 and have been messing with engines probably from around 7-10 years old. I've blindly "adjusted" carbs, and kinda gotten things to run okay. New Sub.
Thank you Rolling Wrench, i've seen videos about carburetor tuning and this is the most informative and helped me understand more easily. The demo shows that this was not based on books only. Appreciate this!
I am a Navy artisan in South Africa and they went straight to diesel engines and skipped petrol engines completely so I am checking out carbs for myself as I am going to buy a cheap Chinese motorcycle that has a carb. Thank you very much.
After stumbling on this, and absolutely DREADING the process of tuning my carb I've decided to just go ahead and buy a wideband kit. This video is EXCELLENT. I think I'm gonna be aiming for a 13 AFR. I figured that's a safe bet.
@@RollingWrench quick question. I dont have the tools or ability to weld the bung on. Any tips on where I should take it? Maybe just call up a few bike shops and ask if they can weld it on?
you deserve appreciation 👍 i have watched tons of videos on carburettor adjustments, but none of them explained the things that you did, specially O2 sensor thing 👏👏
Your instructions are truly amazing it makes a lots of sense because the needle controls every thing to make the engine gets a perfect performance, let me try that thing adjustments because the performance of my machine is so groogy, looks like spitting out so much gas, you're the best teacher on live performance
I've watched a lot of tutorials about tuning carb, and by far this was the best among the rest. Best explanation ever made. Now I can do a lot better in working carburetor.
That was so informative. If someone is really interested on being a motocycle, ATV, UTV technician, this is not to long video. I'm thinking about getting that kit.
Just finished my pwk carb setup from you and you can really tell the difference with a pwk carb
Man, I went to school for motorcycle/atv repair, and have worked in shops for several years, and nobody has ever explained carbs as well as you just did! All I can say is wow, and thank you.!
Heck ya!!! Thanks for the support! That makes me feel good :-) 🙏🏻
@@RollingWrench am installing a pwk carburetor myself am learning with you
I wish i lived where this man is soo i can learn this this guy now he's stuff man wow
Great video! At a point where I love working on everything myself , and this helped me so much about tuning a carburetor. So anytime you need to adjust pilot or main, you put different size jet in entirely? Needle jet you can adjust w the different rings on needle....
You was right the flow height need to be adjusted but I don't have nobody to do it ain't no good mechanic down here where I'm at they don't know nothing
An enthusiastic young expert is always much better than a classroom teacher. That was perfect. Thank you
Wow, thank you!
I've been a mechanic for 7 years, I work on old cars, chainsaws, motorbikes, and have messed up more carburettors than I'd care to admit, to get to the point I'm at now. When I did my apprenticeship the training organisation only spent a 3 hour lesson on carburettor function, and we never worked on one.
This video should be standard viewing for any mechanical course. It explains everything perfectly, and I'll be sharing it with anyone who cares to listen.
Well done, and thank you!
Sheeesh! Thank you so much for the kind words 🙏🏻💯. I appreciate the support
Agreed!
@@RollingWrench Super informative content! I live in Albuquerque, which is the same elevation as Denver. And I am having an issue with my idol circuit. It is a 21 mm OKO Carb and I am running a 30 pilot jet and I'm still having trouble with the motor not wanting to stay running at idle. It came stuck with the 40 and I've been working my way down. Seems to idol a little better with the 30 but still not there yet. My question is, do you think it would be OK to go down to a 28 pilot jet. That is the smallest one that I can find for this carburetor. Mid range and wide open throttle are great. Thanks my friend👍
I got to this video because I built my own jetski, it idols perfectly but when I throttle nothing happens. So now I'm hear hoping that a carb tube up is all i need
2 years later and this video is still saving marriages! I was so pissed off trying to get my carb tuned and the enrire time i was trying to fix my idle by screwing up everything else. Thank you so much for putting this out there!
I like how you put marriages in there because it most definitely makes for an angry husband when he can't figure out how to adjust his damn carburetor! Haha! That was me a few days ago, now it's time to put this video to the test and adjust that carb!
What number jets did u end up using
Makes an angry wife also. All that time wasted trying to tune the carb, you coulda been working on that thing you've been promising to fix for several months @James-c8m8x
If a person can't tune a basic carburetor after watching and reviewing this they really don't have aptitude for this and shouldn't be messing with it.
Truly a comprehensive video and very well explained.
You are absolutely an asset to the engine community!
I have tried a few videos and I don't get more than 500 to 600 views and very few subscribers. You are absolutely doing it right with video making as well as all the valuable education you dispense.
Very much appreciated.
I have your wheel set, while gy6 swap kit, the fat tire kit, carburetor and engine brain. Absolutely quality parts.
Dude! I really really appreciate this comment. This type of feedback makes me feel significant in this world.
I've been tuning carbs for years on everything from 2 stroke to brig's to VWs to racing V8s and many multi carb set ups from street strip racing and off road rigs. You have definitely explained in 30 minutes what I spent many years early on to learn trial and error as a young man. I'm the go to guy for my buddies when it comes to tuning carbs and timing and over all engine flow from air in to the exhaust out the end of the tail pipe.
From now on I'm sending the guys that come to me to your video so just maybe they can learn for themselves.
Teaching guys about tuning carbs is like talking French to a Spanish taught cajon
You got it covered down to plain English.
Having been a teacher part of my life and an engine DIY-er I think this video is one of the best I have ever seen. It is extremely well planned, documented and explained part by part. Hoping you will appreciate positive comment to make it even more perfect, you could spend a bit more time on pilot jetting versus the turning of its mixture screw (with the wideband in place). As an addition you could also mention some carbs have a separate idle air-jet on the filter side of the carb. Thanks a lot for taking the time to make the video.
I appreciate you and your feedback
Very educational brother thank you for this vid ! 🤟🏼
Very informative and helpful, I have watched this video several times and it's helped me tune my Grom clone with a 212cc big bore race engine and Nibbi PWK 30mm carb. Your tip saying to make sure the "throttle cable has some slack and free play" saved me because my throttle cable was too tight and pilot jet was too small. Thanks for sharing your knowledge and keep up the good work!
I AGREE!!! GREAT VIDEO!!
Excellent approach on carburettor.Thanks a lot for this video.
I ride dirt bikes with carbs. This is the best carb video I have seen on YT. Thanks for sharing Rolling Wrench
Hell Yea it is man taught me a lot
Where do I hook my vent lines on my four wheeler I have same carburetor
FINALLY!!! I got to understand carbs.
This video is the BEST on the subject.
Your "methodical" way of approaching the subject from start to end is exactly what we need to start knowing carbs.
Thank you for this wonderful, educational video.
50 years riding and wrenching and I now understand what I do wrong - thank you! An excellent tutorial!
Ahh sheeesh! Thank for the support:-)
A lot of work went into this and I hope everyone learns something and appreciates the trouble this guy went through. I'm 73, been flying two cycle ultralight aircraft since 1978 (call it 44 years) & recently Paramotors. Even I learned quite a bit from this. Many thanks to Mr. Rolling Wrench!
Probably the best carb video I've seen yet. Kudos for going through tuning too! For some reason very few others do that.
This is the video on carburetors that I have always dreamt of!
When you have no help or money, this video is an absolute blessing.
Cheers.
I am a snowmobile/ATV/PWC mechanic of many years. This video was exceptionally well done. Something to add.. You start with the pilot circuit because that jet is there from beginning to end. It continues to spray along with the other circuits. You need to get that one right first. He does exactly that, I am just pointing out why. Excellent video, well done sir!!
Thanks for this... i was wondering how that worked. It makes sense that all the jets just add to eachother because it will need more and more fuel when you open the throttle (air) more.
You cleared up the lean/rich diagnostic question that I've been listening to people bungle for 5 years,..in just 5 seconds,...thank you !!!
I am on 2stroke carbs, but lot of info here will help me with my tuning. Thanks a TON for this!
Same
This by far and above the best carburetor, tuning informative TH-cam video in existence. This mans knowledge & expertise makes all of these other TH-cam video’s on carbs look elementary. Great job man. Definitely earned a sub.
I appreciate you watching :-) thanks for the kind words 🙏🏻💯
definitely by far the best. hands down
th-cam.com/play/PLyTjGWYBzynCsVTGTCDpJIzsz3seMRYRZ.html
@@rickyjennings8627 th-cam.com/play/PLyTjGWYBzynCsVTGTCDpJIzsz3seMRYRZ.html
yup ....
Absolutely insane how much you covered in this video. Major props to you for covering EVERYTHING in so much detail. You killed it.
This video can turn a newbie into pro (with some hands-on experience)
The best carb guide video ever
This is hands down the best carb tuning video I have ever watched. So much information presented in a way that is extremely easy to understand for anybody at any skill level.
I’ve been working on small engines (ATVs, snowmobiles, dirt bikes, etc.) for the better part of 9 years and learned a lot of what I know through trial and error. Never have I ever seen somebody explain carb tuning so well and make it as simple as you have. Amazing video! I learned a couple things I wish had learned when I first started.
incredible how well this video explains carbs, never been so impressed with a youtube lesson before
Wow! Thanks dude
I just got my first 2 stroke (banshee) and was overwhelmed by the carbs and you have simplified it tremendously. Thank you.
That was probably of the most straight forward carb video ive seen. Keep up the great informational content!!
This THE BEST video on tuning a carb, hands down. Bought my wide band tuner from RW, very much worth the money! Saved me hours or trial & error.
Thanks for the support 🙏🏻💯. I appreciate you.
YOO thank you my guy 🙏 just rebuilt the carb on my 1990 Suzuki DR250S but I was having some trouble tuning it, found this video and got the idle and fuel screw "set". But during the test ride i was stumbling at around 5k rpm when I full throttled it, and acceleration was poor overall. So I came back and watched more of the video and your test rides, and thats when it clicked. I checked and sure enough, my old main jet was bigger then the one I got in the rebuild kit. Since the main jet didn't necessarily need replacing, and i learned about the float bowl drain giving access to it, i was able to quickly rotate it, swap the jets, put it all back and just like that the bike is running good again. Long story short, while its been running and rideable, ive been troubleshooting, working on, and riding around many issues during this restoration project for the past 3 weeks, and just to top it off its my first bike lol so thanks again for helping me with this crucial step in the project! Next up are some proper enduro tires (currently has motoX) then a Trail Tech head unit and turn signals. Best of luck everyone, and ride safe 🤘
Thanks for doing a masterclass in how to tune a carburetor. Extremely well done!
This is an excellent video. Months ago, I wrote of sharing value of your experience--instead of making info-tainment, this is the kind of thing I meant.
I've worked on all kinds of mechanical contrivances, but back when I had my old motorcycles, they didn't have a power jet, so I learned something too. Thank you.
There are teachers, and then there are people like you. Wonderful stuff my man, you make it very easy to learn! 🙌🏼
I loved this video!!! It makes it so easy to understand and when you have that one customer that has got it all backwards ,this video can stop all the what if questions before they get started... Point Blank Period!!
For dummies like me out of all the YT videos I’ve seen on how to tune a carb your explanation was the MOST thorough and understandable! I have a 2 stroke Daelim Cordi and just slapped on a power jet carb to see how it works. I had problems with what jets to use but after watching your video it runs like a champ 54mph I almost gave up on this carb but thanks to you I didn’t waste my money. Thank you very much keep up the good work 👍👍
Dude! I really appreciate you taking the time to write this. It means a lot
Man, I just learned how the hell my carburator works, because of this AMAZING video! Really really simple and helpful. Thank you so much man
Your gold standard video should be used to educate most video producers on how to do it right
I've been shade tree adjusting carbs as needed for years, sometimes great sometime horribly. That just explained everything. Best tutorial on this subject ever. Thank you very much!
Gotta say I really appreciate the level of detail. I just cleaned my 4 carbs and took the opportunity to re-jet my 2007 Yamaha RSV because I added Monster Ovals and K&N air filters last year. Since then, the bike only ran at 1/4 choke (Mikuni plungers). When I tore them down, all the jets were clear, but the float needle gaskets seats' seals were hardened and started leaking which is why I did the job. Went up from 15 to 20 on the pilot jets and from 115 to 122.5 on main jets in the front banks and from 123 to 125 on rear banks. (Something like that. Can't remember the exact original size on the rears. I still have all the original parts though). Set pilot screw at 3 1/4 turns.
Got it put back together, and she started right up with little initiall choke and ran strong at cruise speed or WOT but was getting afterfire and a little flame on the left pipe during deceleration, which I didn't mind much. Actually liked it, but didn't want it ruining anything or fouling the plugs.
Fast forward to 2 days later and it wouldn't run long on cold start. Choke didn't help but actually wouldn't run at all nor start with choke. So now after watching this video, I'm thinking I may have to lean out the idle circuit as I have a sightings better understanding
I have a TVS tricycle and it's too rich and very gas consuming. I tried several times to do the jetting but it helps only a little. Your video gives me complete idea of jetting. Thanks bro. Cheers from Indonesia.
I can just tell by the length of the video and your intro that it's worth watching. I've messed with carbs on 2 strokes mostly and even have my banshee with 2 synced carbs working perfectly but really appreciate these videos. It's free continued education
The absolute best lesson I have ever witnessed on the topic of carburetors! Introducing all the "players" at the beginning so as to establish a vocabulary was a classic instructional technique. Taking the time to explain not only the purpose of each part but how their functions were related was superb! The cause and effect scenarios for rich and lean and how to remedy the situation for a near perfect stoichiometric ratio were exemplary! You have a gift for taking what can be a very complex topic and making it easy to understand so that others can put the information to use with successful results!!!
I appreciate all the kind words 🙏🏻💯. It’s comments like this that keep me feeling significant in this world.
Excellent video...My 2 stroke dirt bike was bogging down off the starting line, now I know why. Thanks to this video I now know what the problem is and how to fix it. Thank you !!!
Great video. Watched it at breakfast, bike carb out, cleaned, jetted and running better than ever by lunch. First carb service ever. Thank you. So happy.👍👍
Thank you. With this video I was able to tinker with my 80CC four stroke bike engine. It was giving me 15 mph and the motor was bogging. We tuned the carb, got a better exhaust and changed the sprocket for a bigger one more top speed but sacrificed acceleration. Now it easily reaches up to 20mph.
Great job!
Awesome video bro. I learned so much. Went from knowing nothing to feeling very confident in tearing into my carb. Thank you for what your doing.
Very informative. I felt like I just took a degree course in carburetors. Great job.
Holy sh*t this is the best video I’ve ever seen! I feel like I learned more in this video then I did in school from preK to senior year lmao!
Whaaat! Sweeet! Thanks for the support 🙏🏻💯
I was thinking the same thing wow this video helped me a ton. Thanks you so much wow😁
@@RollingWrench got a bog with rapid throttle snap otherwise runs perfect PZ30 pumper carb. On cg250 air Any thoughts? Cam bored and coolers + exhaust are done.
@@RollingWrench ll, pp
@@commander__zero2677 ...
Where were this video when I was suffering tuning my carb? 😥
Glad I found this video! Thank you very much! ❤️
I bought a Rolling Wrench Carburetor 49cc 125 carb for my BBK build and it works perfect very happy with it best 65$ I've spent.
Mate I've been working on cars and bikes my whole life and have a lot of experience with carbies and I have to say your video is one of the most informative and very well thought out/planned videos on carbs I've ever seen!
Good on ya! Cheers from down under! 🇦🇺
Thank you for all the time amd effort you put in to make this video.
I thought I already knew how carbs worked and how to set them up and tune them. This video let me understand how my turning of screws actually altered how the carb functioned.
I came across this video as the top You Tube recommendation after watching a video by Dustin of the "Smarter Every Day" channel.
He had built a working see through Carburettor and uses a high speed camera To show how the carb uses the venturi principle to mix the fuel and air for to the engine to use.
All though he had the choke and throttle on his see through Carburettor his video only showed the principles and not a real life carb.
But by watching his video and then yours it gives a perfect understanding of the carbs working principles and then yours shows how those principles translate onto a proper engines Carburettor, what all the screws control and how to use them to tune the carb to its full potential.
Both videos I think were brilliantly made, easy to watch, well thought out and turned a fiddly job into something much easier to do.
Thank you for all the time and thought you put into creating a perfect mix of a good quality video and great subject and educational content.
Keep up the amazing work, you just got a like, subscription and a notification bell ring. I'm now going to look at the videos you have made previously and probably binge out on them for a good while. Thanks again.
Wow man that is the best tutorial and explanation I've ever seen! I knew a couple of the basics but you just brought everything to light and hit a home run! Thanks for the information.
This video is def the most detailed video about carburetor tunning ever ...
And i would have NEVER thought to slap a wideband on a motorcycle even though it works the same as a car 🤯 ...
Thank you so much, got a old 2003 Yamaha ttr90 that sat for 10 years in a garage, got a new carb and kept rev bombing as soon as I started it, thanks to you it runs beautifully
That was one very informative, easy to follow explanation of carbs! Thanks for taking the time to create such a great video, it is truly brilliant! Cheers!
Well done in order and layout, this is a process that needs attention to details, and you have identified every component to follow and understand functionality my 10 year old can tune a carb thanks to your demo . .
This video helped me understand so much more about carbs that I hit the Like button 3 times!
❤ ml❤
I stumbled onto your video, almost gave up on looking further just before I did. What amazes me is after watching your video twice, I have no questions and im not pulling my hair out. Some people like to hear themselves talk and provide little to nothing important, they should watch, listen and learn from you..i know i did. Thank you for taking the time on making your very informative, quality video. I am now a loyal subscriber. Gotta love it!
by far the best explanation on how carbs work and how you tune them all in one video
you did a fantastic job at explaining how and why a specific change effects the rpm and mixture
Excellent tutorial, thanks for the work you put in to this. I rode modern sport bikes up until a few years ago, all with EFI, but recently got back in to riding with a single cylinder carbureted dual-sport. This will help me tune the carb and get the best performance possible out of this little thumper.
Well prepared, I've been trying to teach my son about how carbs work. You just saved me hours! This explains it better than I can. Also, I always thought back firing on decel was rich but logically, it's when enough fuel gathers to pop. Makes sense. Really appreciate your effort.
I found this really informative and as a keen motorcycle enthusiast with hardly any knowledge on how to maintain bikes I firmly believe that I could do what your video shows. I may need to watch it a couple of times more but I definitely will be having a go. Thanks for the lesson.
Excellent video, man...I learned more about carburetion in the 35 minutes of this video than I had in the previous 48 years of my life...well done
53 years for me, including 30 of that in a maintenance capacity, you taught me more in 30+ MINUTES! Thanks Brother!
Was having trouble jetting my bike. Got it sorted because of your excellent video. Thank you for what you do.
Nice dude! I appreciate the support 🙏🏻🙏🏻💯💯💯
This video made me realize that the float has a needle, when I took it apart it bounced under the tire of the mower and I had no idea to look for it until watching this. Now it's running again and I can feel like a proper home owner lol
This is excellent! Thank you taking the time to explain this so thoroughly.
This video was a life saver getting my dual carbs setup. Thanks for such an informative video!
OMFG, just what the Dr needed. A tutorial on Carb setup. Thank You, Thank You, Thank You.
To be honest, for a beginner this is something to always come back and reference from. The skill will set in over time but this is really informative. I also learnt to be careful with gas on that "o" ring when you opening your carb. I also learnt that backfiring is not "rich" but "lean"... lol that really helps to know.
Very informative and educational! I had a basic understanding, but you took it to the next level! Thanks, Don
Duuuude! You showed up exactly when I needed you. Have a PWK that I'm working on and couldn't find a decent video for that type of carb. Thank you!!! 👍
Most helpful video I’ve ever watched can’t thank u enough
Sweet! Thanks for watching:-)
Yes, same! So helpful
I am so happy you broke this down. I bought a Yamaha Virago 750 two years ago and did some cleanup including rebuilding the carbs and I know it can run better. Now I know just what to do. Thank you!
The front cylinder exhaust is almost non existing at idle but normal at cruising. Then when I get up to 65mph I am losing a cylinder which comes back when I slow slightly. This is a result of bad tuning, correct?
You just knocked this carburetor construction and operation roadblock out of the park for me. I now have the knowledge and confidence to face this menace which I have been avoiding for years. No longer will I raise the white flag and surrender to a poorly running carburetor!! I got this, thanks to you and your highly educational video. THANK YOU!!
Heck yaaa! Thanks for the support 🙏🏻💯
I don’t even own a ruckus but this seemed liked really useful info.
I appreciate you dude
muito bom meu amigo, meus parabéns pela aula e obrigado por compartilhar o seu conhecimento!
thanks for the video i thought the whole carb worked together when running also how would you do this on motorcycles with 2+ cylinders
Dude 2 years later and still relevant i was scared to change my carb on my 2023 ruckus due to the jetting, have a performance exhaust, air filter delete, and pressure tube and all i needed was the performance carb now im going to change it and see how it goes thank you!!!!
This was the best explanation about jetting. And I'm not mechanic. Got some knowledge all-around from my father's. And this is valuable for me because I'm setting up my 08 KLR. Got a Big Gun exhaust and k&n filter. Getting decel pops and idle mixture screw won't give me more flow. Running 2 turns , don't hear any increments. When I reach 3 1/2 turns, the bike shutdown. Let's do it 👍
Dude, I think I just got my masters on carbs.
Lol yesss!
Next up will be learning Nitrous Oxide haha. I bought a book on it years ago, after reading it I didn’t add NOS to my car.
I learned…..about a semester of community college mechanics
LOL sweet! That’s what I like to hear
You nailed it, all in one technical explanation as connected to the actual site condition.
Double Thumb's Up.
This guy , he knows what he is talking about with solid output and really skilled unlike others that are pretenders .
The best video I've seen on carb tuning, the wideband demonstration was the cherry on top.
Made me realize how much I didn't know and taught me those things at the same time. Bravo!!
Subbed!!!
I'm a Motorcycle instructor in Ohio and our carbed bikes are Teedubs, a ton of old Rebels, and a few Suzuki GZ's.
My personal bikes have been carbed and I'm definitely no expert, but I have limped my way through adjusting them so they run.
Your video clarified and integrated lots of the information I had cobbled together in my head. Excellent!
This video should be taught in public schools.
Lol thanks !
Thanks...Tunning 150 cc two stroke . After watching Ur first video I have come up with exactly what u did here ..115 main .needle down a bit ...and I am gonna go down on the pilot at it bogs bad...Great videos .
No comments. The best video I have ever seen! Sooo much too learn and sooo goood explanation.
Best vid ever!!! Been trying to get my Virago 535 running for over 20 years now, get frustrated and try again next season. Someone buggered up the carbs. Replaced jets, top end reworked, still has issues. After watching, I now know too lean, dies with slightest turn of throttle. I'll try again. Thanks!
A friend shared this on Facebook. Well done 👍!
I'm 58 and have been messing with engines probably from around 7-10 years old. I've blindly "adjusted" carbs, and kinda gotten things to run okay. New Sub.
Thank you Rolling Wrench, i've seen videos about carburetor tuning and this is the most informative and helped me understand more easily. The demo shows that this was not based on books only. Appreciate this!
Thanks for the support! I appreciate you
I feel like I just did a year apprenticeship in 30 mins! ... time to get my bike dialed in and running 'stoic'.
Thanks man. 😎
the only guy that can actually explain things without making me think I'm stupid
That’s good to know :-)
I am a Navy artisan in South Africa and they went straight to diesel engines and skipped petrol engines completely so I am checking out carbs for myself as I am going to buy a cheap Chinese motorcycle that has a carb. Thank you very much.
I now feel confident tuning my carb on my 2t and helping my buddy with his gy6 💯 Amazing man
Great to hear!
After stumbling on this, and absolutely DREADING the process of tuning my carb I've decided to just go ahead and buy a wideband kit.
This video is EXCELLENT. I think I'm gonna be aiming for a 13 AFR. I figured that's a safe bet.
Ah nice! Your gonna love our wide bands. They are much quicker then the rest
@@RollingWrench quick question. I dont have the tools or ability to weld the bung on. Any tips on where I should take it? Maybe just call up a few bike shops and ask if they can weld it on?
@@Ryan_Carder ya have them weld it
you deserve appreciation 👍 i have watched tons of videos on carburettor adjustments, but none of them explained the things that you did, specially O2 sensor thing 👏👏
Your instructions are truly amazing it makes a lots of sense because the needle controls every thing to make the engine gets a perfect performance, let me try that thing adjustments because the performance of my machine is so groogy, looks like spitting out so much gas, you're the best teacher on live performance
Thanks for the support 🙏🏻💯🖤
I've watched a lot of tutorials about tuning carb, and by far this was the best among the rest. Best explanation ever made. Now I can do a lot better in working carburetor.
That was so informative. If someone is really interested on being a motocycle, ATV, UTV technician, this is not to long video. I'm thinking about getting that kit.
I love this.
Spoke to me the entire time as if I’d never heard the word carburetor before. Absolutely perfect. Subbed👍🏽
Dude!! I really appreciate the positive words and support 🖤💯🙏🏻
Put a carb I bought from you on my Tao Tao 50cc it was hard to start unplugged the auto choke it fixed the problem Thanks for the Learning Channel.
I'm working on my wpb and just cleaned the carb. You've earned a sub just for effort labeling the parts alone. Half way through the vid, very happy 👍