HOW-TO Adjust Carburetor Float Height

Рет қаралды 422,191

7 жыл бұрын

HOW-TO Adjust A Carburetor Float Height
In this video I show you how to easily adjust the float in your carburetor. The same procedure will apply to many makes of carburetors.
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I have easy to follow and thorough step by step tutorials "do it yourself" (DIY) videos to help you with your broken lawn and garden equipment including snowblowers and zero turn mowers.
I do my best to teach you how to easily diagnose problems the fastest, quickest and most efficient way with real repairs beyond just replacing a spark plug. These tips are for both the homeowner and shop owner.
Whether it be a handheld, two stroke, two cycle engine like a chainsaw, weed eater, weed whacker, string trimmer, grass trimmer, line trimmer, hedge trimmer, strimmer, brush cutter, leaf blower, or four stroke, four cycle units like a lawnmower, wood splitter, lawn tractor, zero turn mower, snowblower, pressure washer, generator or a ride on mower that needs parts installed or replaced, I’m your go-to guy.
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I’ve been a small engine mechanic for many decades and also run my own repair shop so my videos are loaded with tips and tricks that I have learned and want to share with you. You will also find many tool and product reviews from top brands on my channel as well.
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Due to factors beyond the control of DONYBOY73 “The Small Engine Doctor”, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. DONYBOY73 “The Small Engine Doctor” assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. DONYBOY73 “The Small Engine Doctor” recommends safe practices when working with power tools, hand tools, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. Due to factors beyond the control of DONYBOY73 “The Small Engine Doctor”, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not DONYBOY73 “The Small Engine Doctor".
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Пікірлер: 240

@donyboy73 Жыл бұрын

Watch my video on how to spot a defective carburetor float here; Watch "How to spot a defective float" kzfaq.info/get/bejne/qLxzjZx0m7DOonk.html

@dalemulder3549 6 ай бұрын

I put about 1 cup of fresh fuel in 78 Bolens and my 82 Ariens each month and let them run until they run dry. I left my Ariens machine outside uncovered while building a shed late this year and when I went to use start it, the fuel was pouring out of the carb and even the primer bulb. Very obviously a float issue. I had rebuilt the carb a few years back and had no problems at all up to this point. When I brought the carb inside, the bowl was a little tough getting off but with some warmth and gentle coaxing it finally popped off. I checked the bottom of the bowl and saw what looked like a clear gel in the bottom. I poked it and it didn't move. I put on my cheaters so I could see better and realized it was about 3/8" of ice and fuel or oil. I cleaned and dried the carb, used wires to clean the orifices on the threaded needle shaft (term?), cleaned the gaskets and then blew the whole assembly out with a soft bit of air. I reassembled and reinstalled the carb. It was late and I didn't want to wake my neighbors so I didn't bother with a test run. When it came time to use the machine, it started right up, smoothed out quickly but took a bit more choke than it did before. It would run for about 3 minutes under load and then quit. I went through this about four times, scratching my head each time. It then occurred to me that the problem was when I removed the bowl the first time. The bowl must have been stuck because the float was frozen to the bottom of the bowl, not so much the bowl seal. So, when I popped the bowl off, I must have pulled the adjustment tab on the float up which would make the carb buildup less fuel in the bowl by shutting off the fuel supply prematurely. I never thought to recheck the foat level before reassemly. I couldn't remember the setting and remembered several of your videos helping me out before. The one thing I needed was that spec. You always provide GREAT detail and information in your videos and you did exactly that in this video. Thanks again for making some of the very best small engine videos out there. You can tell when someone takes pride in their craft and loves sharing their knowedge. Thank you!!

@grantlandking4361 5 ай бұрын

Good on you sir for expressing a genuine gratitude to the video creator and for likewise sharing your issues in concise fashion. This type of encouragement is from the heart and leads to feelings of satisfaction and peace of heart. Goal: to teach others, learn to grow, and all in a spirit of love... It casts out all fear says scripture! Peace and thanks friends.

@grantlandking4361 5 ай бұрын

You blessed my heart this evening buddy I'm telling you people need to see what appreciation looks like. Thanks again

@edg3851 5 жыл бұрын

1/19 2019 THANK YOU so much for showing the FLOAT ADJUSTMENT TOOL and 11/64 drill bit adjustment !!! My 8 Hp Ariens (oldie) was leaking like nuts. I had taken it apart and cleaned it out and it ran fine at the end of summer. I got it ready for the winter. The COLD NORTHEAST.... today just before a 2 foot snow storm hits, I ran the Blower just to make sure it was ready for this storm. The machine started fine. I ran it not even for a minute then stopped it and noticed gas dripping like nuts from the carburator. It never had this problem before and after watching some YOU TUBE and " your " video I was hoping it wasn't the seat, I didnt think it would be, crossing my finger. I noticed the FLOAT was out of adjustment big-time and the 11/64 drill bit adjustment did the trick and its fine ... thank you !!!! Thank you !!!

@jeffkulp5772 6 жыл бұрын

When I have an engine issue, whether two or four stroke, I always look for Don's videos. He is very informative and thorough. Thank you!!

@riversndadesert 5 жыл бұрын

I personally DO NOT SUBSCRIBE to any DIY'rs or How To's but I just say YOU'RE AWESOME and thank you for the detail, not talking to fast,speaking in a clear manner our mower now runs like a champ! Thanks again!

@leandres7 7 жыл бұрын

This guy is the best at what he does, every video is so informative. I have learned so much from his channel, thank you.

@petes9861 7 жыл бұрын

Agreed! I also like the extra details such as mentioning the part numbers of tools and replacement parts used in the videos. Very helpful and appreciated!

@user-fw2wi1py5c 7 жыл бұрын

Hi from St. Petersburg (Russia)! As always all is available in simple words, even for those who know English not so good. Thank you very much for your videos. With their help, I repaired my snow blower Craftsman (Faulty camshaft), and two more snow blowers for my friends. In each video there is always something useful and interesting for everyone. You are competent person in this matter. Best regards Oleg

@Reeceezy 5 жыл бұрын

Thanks Dony. We just had three engines get back from the shop for a bill of over two thousand dollars, all had their carbs rebuilt. One of them would not stop flooding and I was able to fix it by adjusting the float. I've only taken apart a carb one time so I have no idea what I'm doing really and this video was able to help me. I really appreciate it.

@RyanTreks 4 жыл бұрын

THANK YOU SO MUCH!!!! I have tried many things to set my float but none of the videos I've found explains it so well. There is always a question about the distance....but you answered that perfectly! Runs like a dream now!!!

@terrysisco 5 жыл бұрын

Great Help!!! got my snowblower running with a few other video tips as well as this one. Thanks Much!!

@krishillis5275 7 жыл бұрын

Thank you for the great tip with the drill bit.

@petermcpherson5005 Жыл бұрын

The best tutorial there is out there. Thorough and so easy to understand. Please keep your videos coming 👍👍

@billfresh3776 2 жыл бұрын

just happened to this video accidently. So glad I did. Old rototiller giving me fits after working ok last year. adjusted the float as described...both screws adjusted in all the way...out 1-1/2 turns. started first pull and ran like a champ. thanks for the video.

@charleskibiro9159 4 жыл бұрын

You really helped me. There is no book that explain how to adjust float. I checked so many but they repeat them selves. Thank you sir.

@benol1000 5 жыл бұрын

Thanks, Donny. Respect from Jamrock. Instructors like you, should be lecturing in College. High degree of clarity to information given, very articulate delivery every time.

@stefanos1374 7 жыл бұрын

Thank you for this and many other informative videos that helped bring back to life an old lawn mower that is now worth it's weight in gold thanks to the advice you've shared that helps people grow.

@RobertPerrigoOkiechopper 7 жыл бұрын

I have many times had to replace the rubber seat in a Briggs carb to adjust a all plastic float that was not adjusted right. Most I have seen would stop fuel flow way to early starving the engine of fuel. THUMBS UP .

@Volusiaev 7 жыл бұрын

Been a subscriber for years. Your demonstrations are always excellent.

@raymondcampbell2346 7 жыл бұрын

Good info video Don. Thanks for sharing.

@jawjww 7 жыл бұрын

thanks, your videos are the best. clear, precise, easy to follow, not a lot of wasted time and very well explained.

@GRANDDADDYBEAR 7 жыл бұрын

JUST WANTED TO SAY THAT IT'S VERY INGENIOUS AND THOUGHTFUL OF YOU TO INCLUDE BOTH PROPER OEM TOOLS AND HOME MADE TOOLS IN YOUR DESCRIPTIONS; AND BACKYARD SHADE-TREE ALTERNATIVES IN YOUR DESCRIPTIONS, AND PROCEDURES. IT'S NICE TO WATCH SOMEONE WHO'S ON HIS GAME AND HAS HIS SHIT TOGETHER WHEN HE MAKES A VIDEO, AND MAKES IT WATCHABLE FOR THOSE WITH MECHANICAL ABILITY AND SIMPLE ENOUGH FOR THE LAYMAN. AWESOME JOB, GOD BLESS. ANDREW

@donyboy73 7 жыл бұрын

you're welcome, make sure you are subscribed

@burt1758 5 ай бұрын

@@donyboy73so the float setting low will take longer for fuel to raise the float. Higher will take less fuel.

@catfishjenkem2226 6 жыл бұрын

Man this is great !!! I have been fighting the new carb on my 45 year old horse troybuilt tiller . I finally got it running right but it floods when you turn on fuel . Tecums engine

@semco72057 7 жыл бұрын

I loved that video on adjusting the float on the Tecumseh equipment and I do have one generator with a Tecumseh carburetor on it and the unit need to be checked out. I thank you for your assistance as always and wish you and your family a nice day tomorrow and a Blessed weekend.

@aerocam2 4 жыл бұрын

Another very well done video! Thank you for your clear and humble manner of teaching.

@haridassgovindasamy4738 2 жыл бұрын

What reference no ( from the old carburetor) to use for ordering a new Tecumseh carburetor

@scotsmanofnewengland7713 3 жыл бұрын

Thanks Dony for the valuable information for you saved me a lot of money and now my outdoor equipment runs right. Keep the videos coming you do a well informed video and well presented. Thanks from USA !!,

@nicholasrhodes4550 4 жыл бұрын

Been messing with engines since I was 11 years old. Already know how to set carb floats but, hey, ya never know everything-like the float height on a Walbro LM type carb (I don't work on many Tecumsehs.) Worth watching, thanks.

@jeremyh4869 6 жыл бұрын

Great video. Informative. Helpful.

@1hjehje 7 жыл бұрын

Excellent video .... Thank you!

@praveensharma3456 7 жыл бұрын

good piece of info... thank you

@jonamodeo1584 4 жыл бұрын

Another great video, so well done, you are a master at small engine repair. Thank you !

@hansstreubel4257 5 жыл бұрын

Thank you for the tip with the drill bit, your videos are grate!

@micpep 6 жыл бұрын

I love you! Thanks a lot, your videos are very well made and have been usefull to me.

@zachgiesbrecht6767 Жыл бұрын

Great video! Fixed my snowblower with the 11/64 drill bit. Thanks and subscribed!!

@Model-T 7 жыл бұрын

I so love your videos... very informative and easy to follow for a newbie. Thanks so much for helping me save repair many costs!!

@philipstaley54 5 жыл бұрын

I want to thank you so much for this and other videos! So very clear and well done. I got my snowblower up and runnig!

@sampathk1212 6 жыл бұрын

Excellent video as usual. Thank you !

@tonykazulen2485 3 жыл бұрын

been working on the carb few hours ,wish I saw this first. thanks makes it look simple.try again hope it stops the gas leak

@kboomarangfinch167 7 жыл бұрын

Once again very helpful and useful information, Thanks so much.

@Nothin638 2 жыл бұрын

I love your channel dude! Thanks for sharing your knowledge.

@deanstuder1775 10 ай бұрын

Great video . Concise is exactly what I like to see. You nailed it. Thank you

@monicaroldanflores995 7 жыл бұрын

Thanks Don, Nice video, that's my birthday gift.

@isaacpullen6752 4 жыл бұрын

Thanks Don you are amazing so informative I’m a novice at best when it comes to small engines.

@EMREV47 6 жыл бұрын

congratulations for your channel helped me a lot very useful

@MadTinkerman 2 жыл бұрын

Really appreciate this thorough explanation! Great video!

@jimevans9 7 жыл бұрын

Thanks for the good info.

@johnnyrocks4103 7 жыл бұрын

ALWAYS….ALWAYS GREAT VIDEOS…THANKS SO MUCH DONY BOY!!!

@donyboy73 7 жыл бұрын

thanks

@jamesmullins3219 7 жыл бұрын

excellent video with good close up photography. I recommend watching the "Defective float" clip too.Thanks

@donyboy73 7 жыл бұрын

thanks james

@victorbalistreri79 7 жыл бұрын

great information! keep it up

@grantw.whitwam9948 7 жыл бұрын

Good tip, 11/64ths. Your vids always have very good sound.

@timfingeroos6129 5 ай бұрын

This was exactly what I needed. I put on a new carb and is leaked everywhere. The float was traveling too far (up). A quick bend, measure and viola, no more gas leaking!

@dawsonerber656 7 жыл бұрын

Nice video 👍

@jimtaylor248 7 жыл бұрын

Excellent video. Thanks

@milwsdl39 3 жыл бұрын

Again you save me again can’t thank you enough for your videos my friend be safe up there in Canada to you and your family

@oscarjones5773 Жыл бұрын

Much needed and very helpful

@stevenstokes8179 7 жыл бұрын

great vid a info thanks love ur work

@donyboy73 7 жыл бұрын

thanks

@michaelcarlisle8450 7 жыл бұрын

great video

@richarddickinson1966 Жыл бұрын

Very good explanation. Thank you.....

@johnkinnane547 7 жыл бұрын

G'day Donny good video thanks mate John

@donyboy73 7 жыл бұрын

thanks

@stevesmith6058 8 ай бұрын

Very well territorial nice job Donnie

@63256325N 7 жыл бұрын

Thanks for the tip.

@PaulieDetmurds 6 жыл бұрын

Great reference video.

@CMK-Security 4 жыл бұрын

Great Video Dony Boy. 👍💥😲

@59chevt 7 жыл бұрын

Don, always worth watching thanks.

@donyboy73 7 жыл бұрын

thanks, have a good weekend

@jeffyates4813 5 жыл бұрын

Of all the thousands of these Tecumseh and Briggs carburetors I have rebuilt I usually set the floats where the trip off at a lower setting in order to ensure the level never reaches overflow.

@jimvari3793 3 жыл бұрын

I love your videos very good information keep it up m8

@ryanmartin07rm 7 жыл бұрын

glad I subscribed. I'm actually having flooding issues with my briggs and stratton carb right now. thanks for posting.

@donyboy73 7 жыл бұрын

you're welcome

@lancechauvin3255 4 жыл бұрын

@redflag5512 6 жыл бұрын

Great video thank you

@awesomesauce3938 7 жыл бұрын

great videos! see u next week!

@wisamabazly 2 жыл бұрын

Best video ever, thank you.

@philyamascunt7518 7 жыл бұрын

Mr. Dony It's me, again. I rebuilt my Tecumseh carb, the carb number is #632569 and it's a dual system carburetor. When I take the bowl off to clean it, or as in now when adjusting my float, the float hinges all the way down and pulls the needle completely out and the needle falls off of the tab and onto the ground. This isn't normal is it? My float, before it went bad didn't hardly hinge down when cleaning the bowl until the float went bad which makes it a pain in the butt because the bowl gets stuck between the float and carb body. A few times it was so aggravating that I had a brief thought of packing some fun stuff under the mower to see if I could get the mower to clear 50 ft, straight up into the air haa You're still the best on KZfaq and you will probably always be since you know what you're doing and speak so clear

@donyboy73 7 жыл бұрын

once in the carb it shouldn't do that because the bowl stops the float

@Summernightsandneonlights 6 жыл бұрын

Phil Yamascunt The needle valve I have in mine has a tiny piece of wire that is rapped around the end of it. I'm not clear if this piece of wire is supposed to be attached to the float or if it's there to go in between the needle valve and the float and acts like a spring ?

@pedroaguerrevere9118 Жыл бұрын

Very Nice vídeo, thanks you

@user-ro6ou5vb8y 2 жыл бұрын

Thanks God for sharing your knowledge about carburator it's truly agreat help.

@acousticrooster2240 4 жыл бұрын

Hi Don. Your vids are excellent quality and very helpful. On my 8 hp tecumseh carb off of an approx,. 1980 Toro 824 blower I've bent the tab to the point where I can just get the needle spring in yet it still sits too high. I bought this blower used with a fuel leak and running rough. It does have the tiny spring on the float pin but I don't see how removing it would affect the float clearance. i've also assured that the seat is firmly in place and needle is in good shape. Pleases advise. Thanks

@bekaddisontechnologies4292 2 жыл бұрын

Thank you!

@fattony123082 7 жыл бұрын

I have worked on many different small engine carburetors and never gave that a thought. I learn something new every day. Thanks for the information good job on the video. 👍. By the way that Toro S - 200 I got to use it this morning and she's a little beast.

@donyboy73 7 жыл бұрын

that's good

@fattony123082 7 жыл бұрын

donyboy73 - one other thing I'm glad you respond back to people on here 👍. Thanks.

@donyboy73 7 жыл бұрын

I try my best but sometimes I'm just too busy

@JazzyScat Жыл бұрын

@@donyboy73 great videos! I was wondering if you had any insight on a problem I have. I had to change the carburetor because the mower would only work on choke and would die on HI or LO positions. I didn't change anything else. When I pull the lever out of choke down to the Hi position the rpm is pretty much the same but when I put it on the LO position there is no change in engine speed which seems to be ok for the Hi position. The motor is GVX120 4.4HP 1 cylinder on a HONDA HR214. The governor arm is free to move if I push on it revs faster. There are no restrictions either on the idle arm where the 2 governor rods attach on the carb. Any Idea? Hope you're not too busy. 😉

@rogerlarsson889 3 жыл бұрын

Good video👍

@davemick8620 4 жыл бұрын

That was exactly what i wanted to know. Use an 11/64 drill bit for the clearance.

@jonsvenavena2901 5 ай бұрын

Great vid

@sammycee8844 3 жыл бұрын

Thanks a lot

@bobmich9825 2 жыл бұрын

Thank you

@jonathanbosco8458 7 жыл бұрын

Thanks for the video, Almost 100 thousand subscribers good job. Waiting for Donyboy 73 long sleeve T shirts and sweatshirts for sale.

@jonnheatheralferink5622 7 жыл бұрын

How do u put a float in mine fell out

@PLAYwithGregg 6 жыл бұрын

Epic video

@hsbashraf7907 7 жыл бұрын

very good

@Wclifford7 6 жыл бұрын

Very good video. May I add carb. flooding may be caused by a worn float needle valve or worn valve seat (plastic). Replace it.

@geojor 7 жыл бұрын

thanx Dony ...

@donyboy73 7 жыл бұрын

thanks for watching

@cmetube 6 жыл бұрын

Thanks

@MrFlankman 7 жыл бұрын

i like your videos

@gtachiller 7 жыл бұрын

I think this video just helped fix my carb ... I was having a problem with my Ariens 824 with Tecumseh 8hp where it would start easily then blow snow for a few minutes then just quit. I had been racking my brain on it for about 2 years where I tried to get as much blowing as I could do in the first 3 or 4 minutes. When I pulled my spark plug it was VERY wet and I cleaned and re-cleaned the carb jets with no luck. When I checked the float height tonight, it was set right to the very top (no gap). Just curious Donboy, how often do you need check the float height ? Should this be part of my annual maintenance ?

@johnlibonati7807 5 жыл бұрын

Thanks! I replaced the carb on my mower. It's a tecumseh on an older craftsman riding mower. It backfires, so I was thinking the mixture is too lean. There's no mixture adjustment screw, so I'll give this a shot. I replaced the old one because the gasket leaks. Weird thing is now the mower backfires even with the old one back on. Any ideas?

@brandonfix3383 7 жыл бұрын

good video

@donyboy73 7 жыл бұрын

thanks

@Don-ix7se Жыл бұрын

your video's are great, thanks Donny, the only one I use for my 80's Ariens snowblower. My question for you is this, one prime and starts great, seems to have a good dig in power when moving snow, but when I tilt the snowblower backward it loses power til I level it again. could you please tell me how to fix this issue, thanks

@madforit9661 7 жыл бұрын

Think i have just found my problem many thanks

@24acresofparadise 3 жыл бұрын

I noticed on Amazon a carburetor kit for Tecumseh engines and it was $15. Is it better to just replace the whole carburetor while you are there or are the parts from non OEM inferior?

@fitzpatrickgf 6 жыл бұрын

Have a question? Fixed all the gaskets, but there is a pin hole located on the carburetor just above the primer hose male connection. When I prime the engine, a stream of fuel shoots out of that hole and then it continues to drain fuel slowly emptying the tank. Do you know what that indicates? Is the float out of adjustment? Also, the engine will run for 3 seconds and shut down Seems like fuel starvation after its primed. Thanks for the help!

@erickessler6094 5 жыл бұрын

Hi Doc, My neighbors lawn mower RPM's, while he's mowing at full throttle, pulses up & down rhythmically from high RPM to almost a stall & repeats the entire time he is mowing. Would this be a float or maybe the spring??? Thx!

@iac4357 3 жыл бұрын

¹¹/64" Drill Bit. Big Thanks for telling us ! And Fyi Friends, the Float video he mentions is a Must See !

@louiemoscatel585 7 жыл бұрын

I replaced the defective brass float with a plastic float. The plastic float included a tiny tension spring that fed through the float pin at the back of the plastic float. OMG whatever you do, don't drink coffee or have the shakes when installing that tiny spring lol.

@nighthawkj30A4 3 жыл бұрын

Per TSB instructions says to use it if the original one came with one. And i like the plastic one better the brass one the solder cracks and will leak. Plus i feel it corrodes from the gas easily.

@frbyd9884 7 жыл бұрын

Don, I just purchased a replacement carburetor for a Tecumseh engine on a Toro recycler mower. I was going to use it for parts but the main part I wanted was the needle inlet SEAT. The new one arrived with a BRASS needle inlet seat so of course I won't be able to use the new seat on the old carburetor because the old carburetor has a rubber-like seat. Is this a NEW design? (I also was going to use the bowl on yet another mower.) I'm so confused!

@billholly4317 7 жыл бұрын

Hey Donny. I have a Toro CCR 1000E 3 Horsepower snowblower. It has served me well for approximately 20 years. I watch your videos whenever I need to do any maintenance. My choke turns freely until it engages the spring coming out of the carburetor I'm not sure if I'm missing something ...some part I don't see anymore. Do you have a video on that carburetor or that joke? I can't find it.