* Mtd 20 inch lawn mower carburetor repair briggs and stratton 300e carb cleaning

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[@diegoestabridis2478]

Lightweight is good and what did I use it for it’s a lawnmower kzbin.infoUgkxTPN04aT-Qdjr_KS3ql7ng8wnU3wwsCqk also recommend Yes it is lightweight so hence not as robust as our old one. But if you take care it does the job really well.

[@jamiejones2598]

I hardly ever comment on anything, thank you. This made cleaning my lawnmower carburetor flawless, thank you!

[@smallengineguys]

Great job! Your welcome!

[@jayreviewedit3852]

Going to try this you didnnt start it back up tho

[@smallengineguys]

lol it ran i do this in my small engine shop. i dont get paid unless they do lol.

[@jayreviewedit3852]

@@smallengineguys okay i trued another method but with carb cleaner and quick start but it still wont stay on so im going to have to pull apart the carb but feel confident with your video

[@smallengineguys]

@@jayreviewedit3852 easy job. You got this.

[@jayreviewedit3852]

It worked you the man!!

[@smallengineguys]

@@jayreviewedit3852 fake it till you make it!!

[@jeanenamoncada1494]

Lightweight is good and what did I use it for it’s a lawnmower kzbin.infoUgkxTPN04aT-Qdjr_KS3ql7ng8wnU3wwsCqk also recommend Yes it is lightweight so hence not as robust as our old one. But if you take care it does the job really well.

[@ckossum3001]

im 12 years old and used this video to fix my dads lawnmower it went from not starting at all to running perfectly fine thanks so much

[@smallengineguys]

nice good job man. glad to see some of our youth still into it.

[@ckossum3001]

@@smallengineguys yes sir i love fixing things I put a top end on my dirtbike a cou[le weeks ago but I did something wrong it still won't start

[@smallengineguys]

@@ckossum3001 having the same trouble with a moped i have. Pull it back apart try again. Make sure you put piston in the correct direction.

[@shelbeecoulter6219]

@@smallengineguys doing it as well today.

[@smallengineguys]

@@shelbeecoulter6219 nice! You should record what you do as you do it. Post it on youtube. I wish i started earlier.

[@gutterjunk]

Yo!!! Thank you so much for showing that white ring thing that can fall out. Mine did and I was freakin LOST. Like a 4 year old in walmart on black friday when his mom runs away to get that sweet sweet deal on a 45 inch tv and then forgets about the kid cause she had to beat up the elderly guy to get that last tv! Anyways this was my 1st time digging this deep into a lawnmower! I normally just dig deep holes to hide the bodies! 😉 I watched 3 other videos and none of those dumb asses thought it in important enough to show me that ventriloquist or whatever you called that freaky white ring thing! And hey, you were right it doesnt run without it. So i dug back into the belly of the free beast that my mom gave me cause the price of new lawnmowers is crazier than I am....... Where was i.... Oh... Well i found your video and its DOPE! Straight to the point! Not like this comment thats more like a review.... So 5 gold star stickers for you buddy! nice video, thanks. Oh yeah. I did get that old crappy mower runnin! All thanks to you saving me, well you said $80 but today its probably way freaking more! So thanks for saving me like $93 bucks or more!

[@singmenow4u]

Agree with Andrew Dart. This is a no B.S. video that is quick and to the point. Great job, makes KZbin worth watching.

[@smallengineguys]

I appreciate that!

[@alexeverett6887]

Thank you so much. 26 years old and I’ve never fixed anything with a motor in it. First time for everything. Definitely feeling accomplished this morning. Now, I can get a workout in while mowing my own lawn instead of paying someone to do it.

[@smallengineguys]

Nice! I pay someone to do mine!

[@daliaesparza2619]

I had followed the steps and got my lawn mower working last night. This morning, I noticed it was leaking gas and it stopped turning on. Any advice on what maybe going on!

[@smallengineguys]

yes your needle valve under the float is stuck open. my guess is you didnt get it clicked all the way in. remove carb remove float rinse and reassemble making sure float is completely clicked in place. with carb off pull motor over many times it will eventualy dry out and fire up, shut off as soon as it fires. or remove plug pull over many times at least 20. rinse plug with carb cleaner reinstall. you may have to repeat this a few times.

[@KimJacobs4Jesus]

Yeah…I’m not taking any chances, I’m replacing the whole carb. It was less than $15. Thank you for the no nonsense video. Much Respect Brother!!👊🏼

[@smallengineguys]

Glad to help

[@gerardlimtiaco3889]

Thank you! Got my mower working again! I was ready to purchase a new one too but you saved me a lot of $$$!

[@smallengineguys]

Your welcome. Glad i could help.

[@markothwriter]

The pin that held on the float valve slipped out very quickly for me and landed on the floor. I was very lucky to find it. What I found after cleaning the carb was that the little plastic seat that the pin valve was going into -- it was breaking apart. So, I had to get a rebuild kit.

[@onetruesoldiervt3686]

I cleaned the carb like you showed on your video and it still stalls , starts right up but then runs for a min then stalls anything else I should check?

[@lorraine4747]

I have watched a few of these videos, this is the easiest. But my question is on my lawn mower B & S 300E, it has a sponge in where the carburetor is. Do I have to get a new one, I have to order all I need from Amazon. My Lowes does not carry any parts. Thank you. By the way I am a 74 yo widow, and have to do it myself, so I like easy.

[@smallengineguys]

do you mean the air filter? if so no just blow it clean with air or even just shake it clean. no water or fuel to clean it though

[@oscarjimenez9644]

2024 and this video is still helpful. I did exactly as he said and it actually worked! I can finally be a fix-it-all dad. now I just need a wife, any videos on that?

[@smallengineguys]

its a trap! run away!

[@R3661n]

I have this exact mower, it runs fine after cleaning the carb but it won't start up again unless it's primed each time after warning up...not sure what that could be.

[@smallengineguys]

Old gas. Gas is only good for small equipment for 3 weeks

[@SportsMusicCars]

Our MTD w/ B&S engine, 6 yrs old, ran it until it stopped at the end of last season to get rid of all the gas, like always. This season, it won't start. Tested for spark, all good there. Swapped out a new plug, pulled 4x, removed the plug, it's dry as a bone and the gas tank is filled. Gotta be the carb is clogged. Now to do this work, and pop in a new air filter, too.

[@smallengineguys]

yeah its the carb

[@SportsMusicCars]

@@smallengineguys I sprayed some carb cleaner and it started chugging a bit, but didn't stay lit... I'll get that carb off soon...

[@smallengineguys]

@@SportsMusicCars carb and probly some water.

[@MrAfdasdfa]

This dude is spot on with his fixit video, this would have solved my problem had I not dropped my carb and launched the float valve needle into the lawn never to be seen again right before being attacked by red wasps. For those who come later the replacement part number should be 231855S, I will return to confirm this once it comes in the mail and I reassemble things.

[@smallengineguys]

lol. not the correct needle valve. this is it. amzn.to/3LgIGS2 but youll find a new carb is only a few dollars more. amzn.to/3LC8aKI

[@MrAfdasdfa]

@@smallengineguys Thanks for the tip, I'll let you know! I just went with what looked similar in the catalogue at Briggs & Stratton Parts. What you've linked looks nothing like what came out of my mower. I ordered that carb as well so I can tear them both down and verify parts. Either way, helpful video.

[@MrAfdasdfa]

@@smallengineguys I took apart the new carb and can confirm that's the float needle valve that came in it. Not sure why the one in the old carb was all stainless. Weird.

[@smallengineguys]

someone was in it i guess and put in the wrong needle valve. surprised it worked im going to have to try it now lol.

[@MrAfdasdfa]

@@smallengineguys Yeah ya got me. I ended up having to put the entire new unit in. I swapped the needle valve in from the new unit and it didn't function but the entire new unit worked toot sweet. And I think the replacement stainless needle got lost in the mail because it hasn't shown up yet for testing. Anyway, thanks for the video. I found a lawn mower on the side of the road yesterday and all this diagnostic stuff is a great hobby! I got it running in about 45 minutes and it too will need a fresh carb because of bad gaskets in the float bowl and priming bulb. Go figure. Leaks gas everywhere but it started up without to much of a fuss once fresh fluids had gotten everywhere. :)

[@mannyramirez8249]

Right above the fule line there's a breathing white tube. When i prime the lawnmower 3X fuel spraye out that white tube. Whats that about?

[@smallengineguys]

Over flow. Shouldn't do that. I'd clean the carb. If it works tho leave it.

[@lawrencemclaren7099]

Why does it sound like you have it running while working on it? Doesn't look like anyone else is there working on anything. LMAO

[@smallengineguys]

got another guy working on things. we get 30 pieces a day 6 days a week.

[@VirginiaWolf88]

Now I know what the guy at the shop is doing to mine :) Thank You !!!!

[@smallengineguys]

yep. just remember his knowledge is what your paying for. running a shop is expensive.

[@Vomu]

My lawn mower wouldn't start and I was totally lost, but following your instructions I was able to fix it. Even more, the mower runs like new now. Thanks so much!!

[@smallengineguys]

Thank you! Glad i could help!

[@andrewdart6734]

Thanks a lot for your excellent, no b.s. video. After following it, our mower started 1st pull, & runs great now.

[@smallengineguys]

Great to hear!

[@tyesplechter1631]

I've been having issues with my mower, same as yours. I originally thought it was low on oil and gas so I filled them up and it still didn't work so It's most likely this is issue, it's my first time doing any sort of mechanic stuff. I'm not sure how much gas was in there originally, but will I be able to save the new gas I put in?

[@smallengineguys]

no throw it away and get new

[@tyesplechter1631]

@@smallengineguys Alright, thanks! 👍

[@BiddahSweet]

I have the exact same mower. It will not start. It would start up but then immediately die. I cleaned the carb put it back on. Now when you pour gas in the tank it just pours gas out through the carb into the throat of the carb and even pour gas out of the white nozzle above the fuel entry hose. I am going to buy a new carb for it. Not sure what the problem is. Also the float is not sticking I can hear it moving when i shake it a bit even after Ive pulled it back off with all the gas in it. Thanks for any advice.

[@smallengineguys]

needle valve under float isnt in all the way or dirty. take back apart and redo

[@BiddahSweet]

@@smallengineguys Thanks for the reply!! I will do this asap.

[@austinrick]

That is a great presentation, man! You could not have been clearer.

[@smallengineguys]

Glad it was helpful!

[@LegendofBamBam]

Thanks dude. Love this video. Used it multiple times.

[@smallengineguys]

Glad it helped!

[@debrareese7637]

Yay! Just fixed my mower. Thanks so much!

[@smallengineguys]

Glad I could help!

[@johnodinsson3635]

I tried this, and it started but then ran weak and died. Now it won't start. Gonna tear it down again (maybe I messed something up) and replace the spark plug as well. Thanks for the video! Good work!

[@johnodinsson3635]

Update: redid it all, replaced filter and spark plug...it runs but almost sounds like it's revving up and down quickly...at least I can cut the grass tho

[@smallengineguys]

oring on the back side of carb needs to be installed in the carb for proper seal.

[@johnodinsson3635]

@@smallengineguys I'll check that for damage, thanks for saving me some $$!

[@Heavychevy0402]

@@johnodinsson3635 that’s yo carb needle bouncing up and down… mine does the same some times. But yeah make sure all gaskets hoses and fittings are tight

[@joet4806]

Please add where I can buy the parts, above site can't be located

[@smallengineguys]

amzn.to/3LC8aKI

[@frankharris5010]

Thanks for the video. Got my lawnmower going again, which means less trips to get it repaired, and saving me more money. Blessings to you (Matt 10:42).

[@smallengineguys]

Right on

[@seantaylor407]

i’m a small motor mechanic now… i’ll do it for $50🤣

[@smallengineguys]

I charge 80 and do around 30 carbs a day

[@derekb9089]

This video saved me from taking a sledge hammer to my mower. Thanks for the great how to man!

[@smallengineguys]

Glad I could help!

[@skudmissal1418]

I really like how you kept it simple (not a lot of chit chat and such) and still pointed out the important particulars like the jet cleaning and such. Not my first carb cleaning, by far, but my first with this particular carb model (used to working on my GY6 moped engine and carb).

[@smallengineguys]

Gy6 has same basic components as any other carb.

[@skudmissal1418]

​@@smallengineguys Admittedly, it has been some years since I cracked one open and wanted to know what I was getting into before I did. This carb is actually a bit different than the carb on my GY6 (and most other carbs I've seen, which isn't many really). Plastic, for starters, and a different layout. The carb on my GY6 had all brass threaded jets, if I remember right. This one had a plastic mold in place for multiple jets. I guess it is possible that we could be thinking of two different carbs for the GY6. I know there was at least a few designs, but I only worked with the one.

[@smallengineguys]

@@skudmissal1418 no I mean along the lines of a jet that has to be spotless and clean and a float and needle valve that can't leak.

[@skudmissal1418]

@@smallengineguys oh, yes. Quite agree! You did say, "basic," lol. Can't get anymore basic than that. 👍🏻

[@fleadoggreen9062]

I like how you just start doing the job and telling the sizes , thanks

[@smallengineguys]

yep!

[@erick4840]

i just found out my mower doesnt have the filter on it

[@smallengineguys]

kinda important

[@lunchbox6966a]

Great video, not very mechanically inclined but he helped me get my lawn mower running really appreciate it!

[@ACTSVERSE]

$80? PT Barnum was right.

[@smallengineguys]

other shops charge 120-150.

[@yanickfavre5741]

Thanks for the very useful video 👍

[@smallengineguys]

Glad it was helpful!

[@charlesoverton]

can't you buy the jet seperate.

[@smallengineguys]

no

[@Jursaw]

Thanks for posting this! Got a free lawnmower that was almost new that didnt run. Cleaned the carb like you showed and now it runs great!

[@smallengineguys]

Great job!

[@eddiehernandez7806]

What do you use to clean the jets

[@smallengineguys]

brake cleaner and 14 k gold testing solution amzn.to/3xAvfbM 1 drop of the solution boils the jets clean then rinse with brake cleaner

[@underbrokenskies6768]

What do you use to clean it?

[@smallengineguys]

brake or carb cleaner

[@johnhowarthmusic8706]

Good video and it got me mowing after I figured out where the small, stepped, white plastic nozzle popped out of. (What is it for?)

[@smallengineguys]

just a vent not needed

[@SomeGuy-vo7we]

What's the small white plastic hose barb that sticks out of the right side of the carb? I've been driving myself crazy looking for where a hose would connect, thinking a hose got ripped off, but it appears there is no hose that's supposed to go on it.

[@smallengineguys]

its just a vent. no hose.

[@nahf4m]

Thank you so much.

[@smallengineguys]

You're welcome!

[@theaveragejoe6854]

I took my apart cleaned it out with carb cleaning spray and out it back together. It starts and idles very low but can't seem to get above a low idle, bogs down and dies if I try to manually move the throttle arm. Not sure how to make it work better?

[@smallengineguys]

so it should be set at full throttle at all times. spring is under gas tank. bogging out and stopping is carb. jet needs to be cleaner. or the little white piece in carb mouth fell out its round and white. or you forgot to install o ring between motor and carb in carb before putting carb back on.

[@donnab6246]

I fixed my lawn mower! Thanks!

[@glennsprague8535]

The jet assembly is actually two pieces. Look close and separate the two. You’ll expose a nozzle with 3 holes. All 3 holes need to be cleaned or you’ll probably still have a surge.

[@smallengineguys]

Found its best not to separate them. They dont always go back together properly and leak making it run rich.

[@hempsatx]

you da man!! 💪💪

[@smallengineguys]

I get it right once in a while

[@magdalenalozano9121]

Stop

[@smallengineguys]

No

[@pedalboatprophet2001]

Worked on the first pull! The gas was wine-colored also :-) One “Like” is coming your way. Thank you!

[@smallengineguys]

wine colored? well that isnt good lol. great job!

[@thevanishingman875]

You know if this was the 1800 , they would have said this was witchcraft. LOL, but all jokes to the side thank you.

[@smallengineguys]

they aren't always as easy as this one. sometimes you would rather be burned at the stake.

[@lizfl420]

Great video. Thorough and straightforwardly simple instructions. Thanks, man!

[@smallengineguys]

Glad it was helpful!

[@jasonduffield674]

Thanks for the great video! This was my girlfriends mower, it had bad gas and I cleaned the carb by watching your video. Quick question starts up great, but when it is running it has a wavering idle. Any suggestions and thanks again. Your mower on the video is the same one I have.

[@smallengineguys]

Either needs jet cleaned again or white part jet is in is seperating and needs to be squezed back together with pliers (top to bottom) or rubber oring on intake wasnt reinstalled on the carb before putting carb back on engine or gas is old. Starts loosing its spunk after 2 weeks.

[@scottfirman]

Awesome video. I just picked up one exactly like it last night. I will go through the carburetor and clean out those jets. I will sell it next spring. It looks like new so It will sell for a decent price. I see the carburetor only costs $12.

[@smallengineguys]

Yeah but super easy to clean. I get 80 bucks for these mowers and they sell fast.

[@crystaljensine1408]

Omgggg I did this and it worked!! For a while then it shuts down. I noticed when I pump the gas longer it workes longer? What can it be??

[@smallengineguys]

Carb. Sounds like you used old gas. Reclean carb and use brand new gas in a fresh dry empty jug. Youll more than likely find water in the carb.

[@baren6755]

Thank you .I watched this video and did as you said .It worked. Just finished mowing my over grown back yard. Thanks again!

[@smallengineguys]

Fantastic! glad i could help!

[@ecf9674]

MTD: Machines (Mowers)That Die Making Terrible Devices Meet The Devil

[@smallengineguys]

90 percent of the time its an id 10 t code. or to much carbon build up between the handle bars and the ground.

[@robertjahrling1877]

that's pretty good one handed I'll have to show this to my old lady she was born without fingers on her left hand and tries to tell me she can't do this or that I will be definitely showing her this video thank you

[@smallengineguys]

Lol. To be fair ive done this for 38 years

[@sa7828]

You’ve inspired new hope after a frustrating yesterday. Between two recently “won’t start/run” mowers this has got to be the fix! Same carbs so wish me luck! And thanks again for the inspiration!

[@smallengineguys]

You got this!

[@sa7828]

@@smallengineguys Bros... Both mowers cranked on the first pull after cleaning both carbs, etc.! Thanks again!!

[@DoctorRobert2009]

Just bought this mower, what kind of oil does it take and how much?

[@smallengineguys]

3/4 a quart i use 10w40

[@_Donutz_]

Thankyou so much, we did this in 20 minutes and our lawnmower runs like a charm, great vid and straight to the point!

[@smallengineguys]

glad i could help

[@SunnyAutumns]

Thank you for making this how to video. Lawnmower is working now.

[@smallengineguys]

Glad it helped

[@midwestrob8408]

Thank you! My lawnmower works great now and I feel like I learned alot

[@smallengineguys]

easy once you know

[@michaelneal3162]

Perfect! I got a broken version of one of these, and was lost and you made it so easy.

[@smallengineguys]

great!

[@oscarzurita9464]

Made my lawnmower run like new. Thanks kind sir!

[@smallengineguys]

Great job!

[@RighteousWeevil]

thanks for the video, been trying to get this mower starting for a week, thanks to you its running super smooth

[@smallengineguys]

Glad I could help

[@stevieg2755]

Awesome thanks,fired right up

[@smallengineguys]

Right on!

[@jon-erikpalmer1897]

Great video, cleaned the carb, but still only runs off the fuel primed in, then dies. Strange part is, it will keep running if I tilt it 45 degrees on the left side. I figured, it was the float/needle, but it appears to functioning fine. If anyone has any advice, thank you ahead of time!

[@smallengineguys]

sounds like the little plastic piece that goes in the carb had fallen out. it will be round tube shaped. super important. or you still haven't cleaned the jet completely. you may need to poke it with a wire from a wire wheel. or use 14k testing solution to boil it out. amzn.to/32nQwp2 if the jet isn't perfectly clean it wont run.

[@jon-erikpalmer1897]

@@smallengineguys I believe it's the plastic piece, I ran wire through everything and it appeared clean. I will let you know how it goes, thank you! (bought the lawnmower used, I believe the plastic piece was already missing)

[@smallengineguys]

@@jon-erikpalmer1897 new carb is needed then

[@samcarpenter9677]

Great video, now I can mow my lawn.Thank you

[@smallengineguys]

Great!

[@pystrykerstaff5378]

My mower will crank and run for a few seconds then die. It won’t crank unless I prime it 3 times again. Then it’ll do the same thing. I pulled the carb off, sprayed the jet down with carb cleaner. I reassembled the carb, but the mower is still doing it. Could I have not cleaned the jet well enough?

[@smallengineguys]

Jet needs to be cleaned better. Try pulling a wire out of a wire wheel and poking threw the jet then spraying.

[@pystrykerstaff5378]

@@smallengineguys Thank you for replying. I’ll pull the carb off again tomorrow and try that. I’ll let you know the results.👍🏻

[@pystrykerstaff5378]

@@smallengineguys Hi, just wanted to let you know that the mower is running great now! I ran the wire through the jet quite thoroughly and then hit it with carburetor cleaner, reassembled it, and she cranked right up and is running like a charm. Thank you and I’m subscribing!

[@smallengineguys]

@@pystrykerstaff5378 nice! Great job!

[@RustyShackleford-gl1vi]

Worked on mine. Thanks for the short right to the point video.

[@smallengineguys]

Nice! You're welcome!

[@davew4343]

Thank you for the video. It worked well for me. The mower is running now. Now the issue, it leaks gas. What did I do wrong?

[@smallengineguys]

sounds like you didn't get the float and needle valve clicked all the way in or fuel line is bad.

[@davew4343]

@@smallengineguys That is the oblong part that you said to take a wire too to clear out the port?

[@smallengineguys]

@@davew4343 no its the other white part that floats in the bowl held on by a pin and the needle underneath it. That controls gas flow.

[@davew4343]

@@smallengineguys Thanks, I will check that out.

[@daniellehammond781]

Followed your video and got my lawn mower fixed! Thank you

[@smallengineguys]

No problem.

[@10Flat]

Fantastic walkthrough brother.

[@smallengineguys]

Thanks for the visit

[@angryfatwhiteguy1979]

Thanks man, I did all this and it then worked first time. Appreciate it.

[@smallengineguys]

Nice!! Now cut your grass lol.

[@angryfatwhiteguy1979]

@@smallengineguys Done ! And the dogs appreciate it and send their thanks too lol.

[@alexanderalvarez3052]

Great Video Thanks

[@smallengineguys]

Glad you enjoyed it

[@dragonflyx9]

Worked like a charm! Thank you sir!!

[@smallengineguys]

good. glad it was helpfull.

[@samuelcastaneda3134]

What do I clean the jets out with

[@smallengineguys]

amzn.to/3hDJjda and amzn.to/3f1WzXx

[@EppingForest304]

Great info… thanks 🙏

[@smallengineguys]

Glad it was helpful!

[@GHOST-gv7he]

Thank you for sharing this.

[@smallengineguys]

No problem! Your welcome!

[@swaney3737]

Thanks buddy!!

[@smallengineguys]

Any time!

[@osvaldogutierrez3937]

Very nice , great help

[@smallengineguys]

Glad it helped

[@cell_fitness4328]

U are a life saver

[@smallengineguys]

Lol seems a bit extreme bit your welcome!!

[@RegiosRed107]

Thx man you made it so easy

[@smallengineguys]

glad i could help!!

[@007mercucio]

Thanks, from Texas! I think this will work for mine. Going to give it a try, sometime this week. :)

[@smallengineguys]

So this is how i test it. I take off the airfilter i spray carb or brake clean in the carb. Try to start it many times if it fires and shuts off its carb. If not its time to check plug, compression, and spark. It is carb 90percent of the time.

[@007mercucio]

@@smallengineguys Is the carb and choke cleaner spray (which they sell at auto parts stores) safe to spray into this carb? Or will it melt the plastic parts?

[@smallengineguys]

@@007mercucio its fine i use orielys brand brak cleaner

[@007mercucio]

@@smallengineguys Okay, thanks! This should help a lot. I appreciate it.

[@007mercucio]

@@smallengineguys Well, I got it to pull start, again, and it runs, but it runs erratically... and the whole lawn mower lurches to one side, every 2 or 3 seconds. I suspect maybe it is that needle valve... if it is pushed a little too far back, maybe it isn't opening enough. My other hypothesis is that maybe one of the jets isn't blown enough, yet. Not really certain... But here is a clue that makes me sure it is still a lean fuel issue: While it's running, I sprayed starter fluid onto the air box, and the lurching motion, and erratic running, both stop, for about 15-25 seconds, while the mower consumes the ether / petroleum distillate spray.