How to Clean a Plastic Briggs & Stratton Carburetor

Step by Step!
Today we'll be cleaning a carburetor on a Briggs & Stratton 500 Series!
This is a very common 5 hp engine, that can be found on many lawn mowers!
Simply follow the steps in this video & you'll be back to cutting grass in no time!
Engine Model: 10T802-0147-B1
PARTS:
Replacement Carburetor: 795477
Gasket & Diaphragm: Stens 520-175 or 495770
Air Filter: Stens 100-632 or 698369
Governor Spring: Stens 490-402 or 698719
Spark Plug: RJ19LM
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[@melk8336]

I watched some other videos before I cleaned my carb and this one after. I wish I had watched this one first because it's the best by far!

[@Andali]

Bro! Best tutorial!!!!! I have zero small engine experience, and borrowed a mower from my sister that hadn’t been touched in 5 years and wouldn’t start. Followed your tutorial, started it up and it works! 1000x grateful thank yous from 2 sisters 🎉🎉

[@tanveernaeem1157]

One of the most profusely explained instructions on cleaning and adjusting B&S small engine plastic carbs. Thanks for sharing.

[@Pete.Ty1]

I believe this to be the best instructional video on the refurbishment of a B&S carburettor that I have watched to date. It’s a clear and concise step by step guide for someone with only basic workshop tools and knowledge.

[@EliminatorPerformance]

Thanks for watching Pete!

[@leighgray8537]

I was just thinking that, great video.

[@philliphall5198]

To point and no story telling Great way to teach and not waste time

[@ancestry2009]

I've watched a number of these in anticipation of cleaning my scarifier carburetor. This has been the best and most confidence building by some way. Thank you

[@EliminatorPerformance]

Thanks for watching!

[@Doris-y5v]

I have watched many videos and read a lot of information on the Internet Search, but none of them were good and not comprehensive as this video, specific and so knowledgeable , the demonstration was so helpful and so good. thank you.

[@shaheb777]

Big appreciation mate. I'm a beginner and I found this video the best.,, every thing in perfect details and easy to understand

[@hillmer]

Got a 'broken' lawn mower from my dad. Hadn't run in 10 years. Quick trip to Lowes for some parts and I'm up and running! Had to spray some starter fluid in the carb to get it to start. Thanks for the clear and stellar video!

[@PK88.]

This helped me out a tremendous amount. After the diaphragm replacement it fixed my mower.

[@tylerharrison7850]

Literally only 15 minutes of work and my Briggs & Stratton pressure washer started up again and ran just fine. You even addressed my minor oil leak I found. Great video my Guy

[@EliminatorPerformance]

Glad it helped, thanks for watching!

[@ken-fo5zu]

Best how to video on this carburetor cleaning I have seen yet.

[@sendit1158]

Try Taryl fixes all channel

[@elieli8368]

Seen several videos on this subject and this is THE Best video hands down....

[@heatherwolfe2634]

I've paid for someone to "fix" my carburetor several times. They never took it apart like this (I always watch to try and learn) but did something to unclog it. I kept having problems so decided to do it myself. Thanks to this video I discovered I was missing a gasket. I disassembled the carburetor and cleaned it myself and will do all my own small engine work from now on. Next up, oil change LOL

[@johnunkle7213]

Thanks for uploading this. I was unfamiliar with how these Carbs worked. My mower had been running poorly and finally got to the point where it would only run from the primer bulb and shut off. I put my Carb and Tank a bucket of warm soapy water while I went to pick up the new Diaphragm and Gasket $4.10. Once I got back I dried everything off and reassembled it. Fired right up and runs like a new mower. You got me up and running in no time. A big Thank You from Pennsylvania! 👍

[@briangilliland3620]

I thought I had it but your video took me places I haven't been. Brilliantly clear and concise (Hopefully it has saved me buying a new mower)

[@timdolan4591]

Well done. Short and to the point.

[@waynestefinashen239]

Easiest carburetor for anyone to clean just need to be sure you change the gasket and diaphragm to ensure no issues like air leakage. Nice tutorial.

[@wcb55]

Great video, since I have one just like it. My problem was a missing governor spring!! Thanks for including the spring description and PN in the memo section for this video!! I couldn't find it on my own; doing my own searching.

[@thelazymechanic01]

This is the first video I ever seen with zero dislikes. Also thanks because this fixed a lawnmower I got for free.

[@EliminatorPerformance]

Thanks for watching!

[@beegee22]

Well filmed and very thoroughly explained. Thanks!

[@kuruption1983]

Fantastic video! Very thorough. Mine wasn't starting, so I went through the whole process. Took out the carb and tank, cleaned it all with carb cleaner before taking it apart. Took it apart, cleaned everything thoroughly. Washed inside the tank, then re-assembled, fresh fuel! First start and it started. Smoked a bit, so I checked the oil; oil was low, refilled the oil and restarted. Smoke is gone and engine runs like a champ. Thank you!

[@shortliner68]

I believe you addressed the problem I'm having with my B&S mower. It tries to start after pushing the primer bulb but then quickly quits. I'll make sure that port you showed is good and clean. Great cleaning tips!

[@EliminatorPerformance]

Thanks for watching!

[@tulkom78]

Thank you for taking the time to make this video. I followed your directions to a tee and it worked like a charm. Thank you again for your knowledge!

[@EliminatorPerformance]

Thanks for watching!

[@stephenbromley3209]

Just to say thanks…..diaphragm/gasket change, new spark plug….job done…Cheers 👍👍

[@EliminatorPerformance]

Awesome, thanks for watching!

[@chrisssmallengines7163]

Love that you use spray nine , great video . I think this series of engine is one of the best briggs engines ever made . Reliable ,easy to service and maintain , long lasting engine . Much better than the new plastic crap of today .

[@EliminatorPerformance]

Spray nine is good stuff, these carbs are easy to clean. Thanks for watching!

[@roberts1159]

Very concise and detailed video. I have this same engine and carb. Learned some things I should be doing whenever I remove and clean my carb.

[@EliminatorPerformance]

Thanks for watching!

[@PatMan001]

Great video. Followed this and it fixed my “hunting” issues.

[@tommurphy5757]

Excellent teaching style, detailed content anl clear filming

[@EliminatorPerformance]

Thanks for watching!

[@altomic73]

thanks for posting. nice thorough video with good explanation and great detail.

[@EliminatorPerformance]

Glad you enjoyed it!

[@normanhunt2484]

By far the BEST video on these little plastic carburetors. GREAT JOB!!

[@simonwelch560]

Thanks for that. I never thought of that method. One added bonus is the lawn gets cleaned as well :)

[@EliminatorPerformance]

Believe it or not, the Spray Nine doesn't kill the grass, and there's hardly any fuel in there because I drain it out and let it sit for a bit! Thanks for watching!

[@CatLegoDiver]

Great video. Sure helped me out - I have this model and this spring it wouldn't start. Normally I would have taken it to a dealer but this video showed me exactly what I needed to do to fix this. Thanks man!!!

[@briangilliland3620]

I think my dealer needs to watch this :)

[@TonyGoetter]

Excellent video and instruction for my used mower. Thank you.

[@jameslawson3876]

Thanks for a massively helpful tutorial. Helped me perform a deeper service on my B&S lawn mower than before. I also found that I needed to replace the spark plug as it had lots of soot. I assume that means it is burning oil.

[@justinm4253]

Thanks bro. Saved me time and money. Lawnmower works like new when I bought it in 2011.

[@charleshyatt7491]

Excellent video! Thank you for uploading.

[@emersoncampbell2661]

Thank you for your careful thorough explanation.

[@gordbaker896]

Thanks for the great tutorial. I use Torch Cleaner files to probe Main Jet. I used a small flat blade screwdriver to pop out the plastic Main jet/emulsion tube which has 3 small holes in its length. Mine was black and is secured by a tiny O ring. There is a flat spot on the top to pry it out. Work carefully! Mine is the 5 bolt model. Be sure to seat it flush on reassembly. Carefully using a fine flat file I filed the bolt hole bosses adjacent to the block where the carb base was warped. This reduced the gap somewhat. I used some Permatex Aircraft sealant along the joint between those bolt holes. I used a straight edge to see the warpage left between the 2 holes. That leak area sometimes accounts for the oily mess on the carb and block in that area I was told. Mine had the Diaphragm on the Carb side instead of the Tank side. Seems right, but I reassembled with the diaphragm on the Tank side, then the gasket. Edited.

[@Pimpinginthebush]

Dude, great video bro. I've been looking forever and now I'm set. Thanks man

[@williamwinstead9781]

Same here, very informational video thanks, will watch more of your them in the future 👍

[@trishadonahue5164]

I just wanted to know what (and where) the carburetor is, lol, but I watched the whole thing! Impressively thorough cleaning. Wow! I've heard the phrase "Could be a dirty carburetor." in my life, but had NO idea what that meant, until now.

[@tmorales7674]

Great video!!!! Got my pressure washer running again… thank you!

[@davidcandale2963]

Good easy video to follow and worked well for me. Thankyou

[@EliminatorPerformance]

Thanks for watching!

[@81scubasteve]

Thanks for taking the time to make this.

[@nakoawarrior3186]

Wow,....first guy to get the o-ring and locking ring right.

[@EliminatorPerformance]

Thanks for watching!

[@edwardde3]

Good Video! Thanks for sharing. Showed me exactly what I needed to see/know.

[@EliminatorPerformance]

Thanks for watching!

[@keithseow8008]

Very clear and detailed. Great .

[@EliminatorPerformance]

Thanks for watching!

[@saleemkader2126]

Thankyou you explain all your videos very nicely . please keep making other videos

[@pardi2007]

Very clear instructional video, thanks!

[@EliminatorPerformance]

Thanks for watching!

[@jesuscat3884]

Great tips! Really helped me out while I'm fixing an old mower of ours!

[@EliminatorPerformance]

Thanks for watching!

[@SDsailor7]

@@EliminatorPerformance Have you done a video on how to set the gap on a Briggs and Stratton engine? Thank you

[@tinaboy99]

Great video, thanks. So easy, came apart like dream.

[@EliminatorPerformance]

Thanks for watching!

[@thorstenlaigaard60]

Thanks so much. Very good og pro tuturial . Regards from a happy amateur mechanic :)

[@barrycorbett1747]

Fantastic tutorial! Thanks for the help!!

[@jamiestanley8774]

Hi are the black carb and the plastic carb interchangable

[@edwincastillo9442]

New subscriber here in Winnipeg Mb. Thanks for your sharing.

[@EliminatorPerformance]

Thanks for watching!

[@scottymossy690]

I have 2 of these cursed carb/gas tank combos. Neither will draw any gas, using the primer bulb. One viewer mentioned the ball/spring check valve behind the primer. I see nothing like that in either of mine. Perhaps that is why it won’t draw any fuel? I see you included the B&S p/n for them. Def grateful for that. Hope it’s easy to replace. Thanks for the excellent videos btw. Snowblower season is coming soon. I am almost done restoring my old 1960s 3stage…

[@fivemountains2224]

I like this demo; the explanation & images are spot on - Thank you !! Please make the other demo of "Tear ofd and re-assembly the main part of Lawnmower"

[@EliminatorPerformance]

Thanks for watching!

[@FunFlyingGlobal]

Great explanation and demo!

[@andredeboni7025]

Good job. I'm a brazilian Trapp owner. 👏🏼👏🏼👏🏼👏🏼🇧🇷

[@wolfgangeuen9799]

Excellent video!

[@toddcastle3926]

Absolutely excellent video! Thanks for the knowledge.

[@stephencreigh2800]

Excellent presentation, thanks Mate ;-)

[@always_freeman]

I watched it all the way to the end and then took it to the shop to get fixed

[@TheDominator303]

I'm curious how you get the water out of the gas tank after rinsing. I feel like the water/gas just won't come out of the tank. Any special trick or just keep shaking until it's near empty and then allow it to air dry? PS - Everyone is right, this is the best explanation I've found for this machine. Really well done!!

[@EliminatorPerformance]

@@TheDominator303 I just let it air dry in the sun, or you can use a compressor to blow it out. A very small amount of water will not hurt, as it will mix in and burn. The reason most engines don't start with water in the tank is because there's usually a lot of it. Ethanol based fuel will attract water so it's best not to use it if you can find it locally.

[@TheDominator303]

@@EliminatorPerformance I got my pressure washer running again with your content. In order to get the engine started it required me to hold the trigger on the wand but the fuel system is working correctly. Now I think I might have an issue with the water pump putting back pressure on the engine that’s causing it to stall. Onto my next troubleshooting step. Thank you for helping me get this far!

[@EliminatorPerformance]

@@TheDominator303 likely the unloader valve is stuck, I don't have any videos on that but you can do some KZbin searches to find info

[@11bayrat]

Great help! Thanks for sharing

[@daveyginn]

Good work fella....saved me a packet

[@realestateinfonet9041]

Great video! Very helpful! Thanks!

[@kiwijase1]

Great video best explanation I’ve seen cheers

[@nikond90]

Very helpful video, thanks!

[@Chuncy566]

Would you please do a video on how to test the primer in a carb. In a tacumsia 3.5 hp vertical. And how to get in there and deal with that check valve & make it work like it should. Thank you

[@NotSoCrazyNinja]

Very good video, wish I had it when I first cleaned one of these carbs some years back. I ended up using a one dollar squirt bottle filled with water and canned air (the kind used to clean electronics) and was just very careful. Funnily enough, soon I'm going to clean the same exact carb again so was looking to see if I even did it right. This time, however, I'm probably going to have to replace some things on it. It's been sitting outside for literally four years, but it's not seized and I need a mower, so...

[@EliminatorPerformance]

Good luck, and thanks for watching!

[@B33MAD]

Great video. Really appreciated.

[@EliminatorPerformance]

Thanks for watching!

[@stolvit]

Bravo for the movie. My new mower rusted one season and I took it to the service for sheet metal replacement. He's been smoking blue all season since. what could be the reason? greetings .

[@praful6890]

Good explanation and good video. I was just wondering why you used water to clean ? I mean, if any of the parts are not dry completely, water will get into the fuel and engine. Wouldn't it be safer to use carb cleaner ???

[@sherianb320]

Great job! Thank you.

[@chrisssmallengines7163]

You like Spray nine as much as I do , Great video .

[@EliminatorPerformance]

Love that stuff, and Permatex hooked me up so I always give em a shout-out!

[@eucyblues]

Brilliant Video - thanks heaps

[@muhammadkhokhar3528]

Good demonstration of skill

[@hotrodrebel855]

Great instructional video. Do they take the same diaphragm part number no matter if they have 5 or 6 screws holding the carb to the tank? I see that you only listed one part number. Thanks

[@mikespain8655]

I like your channel and videos. That being said, carburetor cleaner, a very thin wire, and an air compressor are all you need to clean s carburetor.

[@berniepalmer1193]

Fantastic video !! 👍👍

[@EliminatorPerformance]

Thanks for watching!

[@tteariki330]

Thanks buddy great video

[@nathandykstra6097]

After you said what the name of the part was called on the back of the carburetor(intake manifold) that I just cracked on mine … I was really hoping you would link the video, but I’m not seeing it, but regardless helpful.. I just wasn’t sure what that part was called. Thanks for the info.!!!

[@MGB-learning]

Great video

[@insidethreewide7133]

Great video and explanation. One question tho, behind the primer bulb is a ball and spring check valve that I unfortunately lost after removing the bulb because it had dislodged itself from inside the carb unknowingly to me. Is there a part number or kit for the ball and spring or am I going to have to buy another carb? None of the rebuild kits I have found, include these parts. Thank You

[@EliminatorPerformance]

Yes, Briggs & Stratton 494409 is the replacement check valve seat, ball bearing and spring!

[@insidethreewide7133]

@@EliminatorPerformance Thank you sooooo much!

[@neilphilip2320]

Well explained but I also saw a version where the foam air filter is soaked in light oil before it's installed - in order to effectively remove dust from the intake. What's your view ? Thanks for a great video.

[@philipbennett2327]

Cool vid dude.helped me out loads.spot on.

[@blkfacejr.9097]

Thanks for telling me how to adjust the throttle by bending that tab my old mower rips now.

[@EliminatorPerformance]

Thanks for watching!

[@caseymar996]

Great video, trying to fix mine and this was helpful but one question - my throttle linkage does not pull the throttle leaver - should it move when i pull the brake/handle?

[@EliminatorPerformance]

No that throttle runs off an air vane that puts tension on the throttle spring when the flywheel spins

[@caseymar996]

@@EliminatorPerformance Thanks!! - is there a reason you say not to get the black carburetor in the comments below because i want to replace mine and there is a long wait for the OEM - thanks again

[@taylorpulczinski4747]

Can you do a video on that black case with all the gaskets? I’m starting to get more and more into small engine repair as a hobby and get tired of ordering parts for every machine and I’d like to have lots of common parts on hand

[@EliminatorPerformance]

I could do a video on my inventory, I've assembled quite the stock over the years. It's mostly just parts that I use frequently and sometimes I just buy stuff because it goes on seasonal sale.

[@dbflyerr007]

Awesome video! I bought a used mower that needed some love and you are showing the same engine as is in front of me. I have been searching for videos but didn't find anything with the single spring governor style (found all with adjustable high and low throttle). Time to tube this baby up!

[@johnscutt2243]

Brilliant thanks

[@donvoll2580]

Good day Boy you would not have to choke that one, that dirty filter should do it for you. Yrs ago I bought a lawn mower "Canadiana" deck rotted out I think it had same carb. It had roller bearings wheels which I put on another machine. Thanks nice video

[@dariuspopper6676]

Spot on. Promoting you to honorary Aussie.

[@xyzxyz4575]

can I use carb cleaner for instance CRC to clean it?

[@vmartme]

Thanks mate :) You save me a lot time with this video!

[@Mark-fe8qw]

Hi great video 👍 I have a problem with fuel leaking from the area the o ring sits onto the engine. I have got a new o ring but it still squirts fuel out when running. Will i need to replace the whole carburetor? Could the plastic be warped 🤔

[@EliminatorPerformance]

Yea plastic warps and they leak, just replaced one yesterday for that!

[@Mark-fe8qw]

@@EliminatorPerformance Thank you sir youve earned a new subscriber.

[@chaskash2967]

Could you use carburetor cleaner or would it damage something seeing that it a plastic carb.

[@frankmangan2113]

Very well explained ..you d man