Briggs and Stratton 550EX Carburetor Repair Part 2
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- Опубликовано: 6 сен 2024
- This is part 2 of 2 videos that will show you how to clean out the carb on a non-running 550EX series B&S motor.
Link to part 1: • Briggs and Stratton 55...
Tools:
8mm socket w/ ratchet
ratchet extension, at least 3"
T-15 torx bit screwdriver
various smaller flat-head screwdrivers
pliers
Carburetor part# 799584
Main jet part# 592792
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I appreciate you! I’ve only had my mower for 1.5 years and was getting frustrated and was ready to take it to have someone repair it. You have a gift in explaining the correct process on what to look for, and have a great personality. I was able to fix my mower in one try and it’s working better than ever. I’m not a great handyman, but you’ve given me more confidence that I can do things myself! Thank you sir!
Thank you for the wonderfully kind feedback. Congrats on your fix!
This gives me hope. 😂
After I cleaned the jet out and put it all back together I forgot that I had disconnected the spark plug wire and thought that it wasn't working. lol. Thank you for the video!
THANK YOU!!! I've been fighting my lawnmower for 2 days. Excellent video, even better explanation.
@@k_hunt awesome. Appreciate the comment
Seriously I want to buy you a beer. I was frustrated for 2 days with the fucking lawnmower until I calmed down and started browsing came across your video. I didn't do the rebuild because my lawn mower is 2 years old and it would not start after a full tune up.I got the jet out and cleared it from the carb and bammm..... one pull and shit fires right up. This gave me a huge insight on carburetor for lawn mowers and it made my night. Thanks for sharing
Iggy One, lol, thanks for the comment and I am serious glad you got it running again. These things are tricky if don't know they come apart like that!
I just want to thank you. You video allowed me to strip down my mower, clean and fix the carburetor and started first go. I also washed out the fuel tank and put in a new air filter. You are a legend.
Thank you Jennifer, I am humbled by your words. Congrats on getting your mower going again!
Thank you for doing this video! I was getting so frustrated with my lawn mower not working properly and hard to start…I was actually on the Home Depot website looking to go spend $500 for a new mower. But then I thought to check RUclips and came across your video! Your instructions made it so simple!! Now about 45 minutes later.…The lawn mower started right up and my son is out mowing the yard now!
I don't know what's more awesome, the fact you got your mower going, of the fact your son is mowing the lawn!
Thank you so much! U saved me a bunch of money! SWF and I try and fix everything myself within reason. My troybilt wouldn't start and after I did everything on your video. It started!!! Thanks again. Kim
Great job Kim!
Great video, really clear, especially liked the clear showing of the throttle arms and auto choke lever, that's something lots of videos skim over.
Thank you
One more grateful person here - I was doing a tune-up and must have got some oil in the carburetor when I inverted it to drain it. The local repair shop was backed up for 2 weeks so reluctantly (since I'm not super handy) I followed your video. Took me twice as long since I was double checking every step - but it started up right away. I have finally overcome my fear of the internal workings of a lawnmower. Thanks so much.
Awesome! Thank you for sharing this with me, I love hearing other folks success
Wow, Help all the way out to Australia! I have a locally made Victa mower with the same Briggs & Stratton engine with the same problem. It is 19 years old and this is the first problem ever. Thanks to your first class youtube tutorial I fixed it for no cost. Most of the car jets were partially blocked with 19 years of accumulated crud. There was some black foam jamming the needle and seat almost shut. All fixed now thanks to your help from Hawaii and youtube. Thanks for posting this very helpful clip.
Hey Gary, thanks for taking the time to post this! Congrats on the fix, although I am no longer in Hawaii, it's nice to see how far and wide this little video has traveled over time. Cheers
THANK YOU! I have never fixed any motorized thing before. After watching your two videos I attempted to fix my lawnmower that would not keep running after squirting starting fluid in the carb. I followed your pointers and after putting everything back together it ran like a champ.
janice, well done and congrats to you on the success! thanks for taking the time to comment
Cool
Thanks for telling me to “man up”. I needed that reminder. Had this mower sitting in storage for 7+ years used only a couple times. When my electric died, broke out this one and it didn’t start. Followed your tutorial and it’s running like a champ. Thanks!
Nice work!
Amazing that after 7 years this video is still yielding dividends. You helped me salvage my mower. Thank you so much. For every grace that is administered there was a price paid by someone. Grace is not cheap just because it's free. Thanks again!
Thank you
Woohoo 🙌🏽. Thank you so much for your 2 part videos instructions. I am a widow and 61 years old my husband did all the yard work before he got sick and passed on. I had no one to help me; so me being me I searched RUclips and I found your videos because my lawnmower wouldn’t start for over a year now. 🙏🏻😊👍🏻
Thanks for commenting Crystal. Congratulations on finding the way to fix this stuff yourself! RUclips has been a godsend to the DIY minded.
I want to thank the gentlemen that did part one and part to , of how to fix a lawn mower that wouldn't start. I a woman that had no idea how to fix a,lawn mower, you helped me soooo much I did everythimg you told me to do and when I was done , it started right up, I was so proud of myself thank you so much. Tytyty.
Denice, you are most welcome, I'm glad I could help you. My inspiration for my video method comes from my mom who was never sure of these things either. Your comment is affirmation that I am striking the right chord so thank you for taking the time to comment
At 6:40 minutes the white plastic piece being remove is called a cartage and can be replaced with a new cartage. Also the cartage comes apart, two pieces. They more or less pull apart, might need a very small flat blade screwdriver to pry apart. Both pieces can be cleaned and one of the two parts has jets which should be cleaned. These jets usually clog due to using old gas, contaminated /dirty fuel or fuel varnish / corrosion build-up.
Good video. Repaired a couple of these types myself and your right, you may have to disassemble a couple times to get it right. So a good rule of thumb is to take your time and clean it good and it will crank first pull.
Yessir
Thank you for this! It's raining here in Westchester, NY. I've done everything but no luck. So now I'm going to dive in for the first time. Wish me luck! 😂
You got this brother!
Your video is spot on. I had the exact same problem and the mower was fixed in short order. Thanks for the information.
7 years later, I just did it as you shown. Fixed ! I hope the little heart is doing well 🙂
Great job! Yes, the little girl is now 8...time flies. Thanks for commenting
Really appreciate the video and I checked all this but upon reassembly I noticed that the throttle cable on mine wasn't moving the carbie levers at all. If I manually move the lever on the back of the engine that controls the wire directly on the carbie it works fine so my issue appears to be the cable isn't moving lever properly. Ran out of time to investigate further but I learnt a lot so thanks!!!
Great Video! You could simplify it down to 1) Remove the air filter, 2) Remove the bowl [2 screws], 3) Prop the float up with the air filter, 4) Pry out the white jet body, 5) Clean out the jets with a wire or needle, and some compressed air, 6) Put it all back together. You really don't need to take the cover, tank and carb off.
I've rebuilt a carb or two in my past and this gave me the walkthru I needed before heading into this project. I was given this mower by a neighbor who barely ever used it and was going to throw it away because it wouldn't start and they now had a service doing their lawn. I did the 6 steps I mentioned above, and it started right up and kept running ever since. Neighbor didn't mind, he hated mowing.
I must have taken that carb apart 10 times, changed the gas, used carb cleaner and at most the mower would run for a minute. A needle solved the issue :).Thanks for the video, big thumbs up!
Congrats on the fix!
Don't work over grass...or have a magnet handy. On the little white tubes I used one of those grocery tie raps by gently peeling back the paper to expose the thin wire, to be used for getting the green crud off the little brass orifices in their respective tubes (the little white tubes), including the two slipped one into the other. I blew out all the tiny holes with a little red tube on the nozzle of my starting ether. The bigger holes, a new q-tip gently inserted and rotated was effective. Any spraying, keep any tubes perpendicular to face and wear safety goggles, really! I prefer the ether since it is safer, I think, than the carb cleaner. If you disturb the giant o-ring of the bottom bowl be careful in reassembling it since the rubber will appear like it grew and now does not want to fit. And don't forget the little white plastic adapter ring that squeezes the o-ring against the rear of the carb tube going into engine hole. That's an easy miss. Thanks. again.
Just fixed today. You are king. Getting all back together after stripping it all down and then it working was so satisfying. 👍
Glad to have helped. Congratulations!
I found that I need to take the jet assembly apart. The middle white plastic rod has three holes. All of mine were gunked shut. I cleaned them out, reassambled the machine and viola. Thank you for this video. Tool less than an hour.
Woot!
Best instructions for fixing a lawnmower I have seen, thank you.
Thank you
your video was right on, drove 20 mins., in a half hour my friends mower was clean and working... thanks to your video... ps I mowed his lawn too
Lol right on Chris!
I want to thank you for both videos. Although I have not torn my carburetor apart yet, it's happening tomorrow. I've torn my mower apart so many times and replaced the spark plug, the filter, changed the oil and gas, and taken the carburetor off and cleaned it, but just didn't realize I needed to take it apart further. I think I was more scared, also. Now I feel like I can break it down further. Everyone was telling me it must be the fuel filter that is clogged, but unless that's in the fuel tank, I just don't know where that could be. Thanks again. I hope this will have my mower running. My lawn is a jungle now!
Kristen, it sounds like you have a good handle on mechanical processes already so this should be an easy kill for you! I appreciate you taking the time to comment and if you have questions I'll do my best to help.
And there is no fuel filter on these engines from the factory. People sometimes add them later, but they do almost zero good, and add another maintenance item and leak potential to your machine.
@@jcx2bby I've taken my vacuum cleaner apart countless times. With machines like these that cost an arm and a leg to replace, I'd rather take them apart and fix them than have to pay to get a new one. Besides, what fun is it if you can't figure it out; right?
@@jcx2bby I also want to thank you for a straight answer. I can't tell you how many people I've asked about the fuel filter or how many people said it's probably the fuel filter. They kept telling me it was between the gas tank and the carb, but I kept saying all there is is a tube. Now that I know there isn't one, I feel much better knowing I wasn't the one who wasn't informed.
@@xten63 sounds like you are now in a position to educate those folks who thought the "knew". By taking your carb off and replacing spark plugs you've already accomplished more than most ever will on small engines.
Thank you very much! Took my mower to the repair shop and the guy had a lineup of dozens waiting. So, took it home, followed your video and it started right up!
Outstanding! Well done
@Robert Shorthill nice! Thanks for the feedback Bob
I can't thank you enough! I've never repaired a lawn mower before, but with your help was able to get my mower up and running again. 👏👏👏
Sondra Benson, awesome! Thanks for taking the time to comment and subscribe if you haven't already.
Excellent breakdown - I have a very similar 550 and thanks to this guide I wasn't surprised by pieces falling out and got my mower running again in just an hour or two, never having done engine work before. I found it much easier to access by putting up on a workbench if you have one around.
Camera focus tip: fill up the screen as much as you can with a closer background like your hand and it will help the camera figure out where it's supposed to focus sooner.
All said, thanks for taking the time and effort to put this together!
Thanks for the tip Ryan, I really had no idea the camera was out of focus until I went to put this online. On the tiny veiwfinder (it's an old-school point/shoot) it looked like it was in focus. But obviously it was a little fuzzy.
Thanks for the comment and congrats on getting your mower running again.
Great video! I watched another guy's video first that didn't show how to remove the jets. Didn't work. I watched your comprehensive video, took out the jets and cleaned out the little tubes and my mower fired up with the first pull after I out it together again.
Exactly what I needed to fix that annoying running problem. Now running smooth, like new. Thank you. Narragansett Bay
No problem, glad you found the video helpful!
Just found this video and man was it a huge help! I replaced the spark plug, changed the oil, dumped the gas and added new gas and a cleaner, and nothing. After watching this video I had the courage to take apart the carburetor to clean it and by god it worked! Thank you so much.
IB, awesome! I am happy to have been a small part of your success. Thanks for taking the time to comment.
Thanks for the clear and informative DIY video. Restricted jets were causing hard starts and fluctuating idle. 🤙🏽🤙🏽🤙🏽🤙🏽🤙🏽
You're welcome, thanks for commenting
Not only was this video extremely helpful for my same model mower that hasn't been running, I absolutely loved that you included the little bit referring to grabbing "your wife's sewing needle or if you're a woman watching, grab your husband's sewing needle". LOL I know it seems like such a small thing but women like myself, who tend to take on the jobs normally only thought to be "man's work", are becoming so much more common and believe me we get so tired of society treating us like we are just adorable little bimbos who don't know the first thing about engines. Your very simple reference stood out hugely to me in such a positive way. Thank you for the simple, yet amazingly huge acknowledgement that it's not always a man watching a video like this. You've earned my respect for sure! God bless.
Katherine,
I'm really happy you found my video and that it helped you get your engine going. I'm even more happy that you thought enough of it to provide such positive feedback to me. When I make my videos, I always have my mother in mind, and try to make them to where she'd be comfortable watching them along with anyone else.
Thank you for your comment, it means a lot to me.
Thanks. Took my carb apart twice tonight to clean and fix my mower. The little round shiny metal part on the bottom of the carb space had come out of its place and was evidently rattling around. Your video showed me where it belonged and also how to clean everything. The last few times mowing it was surging. Yesterday, it would only run for 2 seconds at a time. Now, it is running like a top. Thank you very much. Now I need to watch a video about sharpening the blades.
Thank you, thank you, thank you.
that shiny disk mines keeps falling out
Great video, thanks! Another mower saved, just needed to clear out two jets.
Nice work!
Just an FYI. There is one more disassembly step you can do with that innermost white carb assembly (with the stacks). The center 'stack' can be lifted/pryed off, exposing a few more interior jets to clean out. Other vids on here describe it.
If I'm going this far I think I'd try to clean out as much as possible the first time.
Thanks for the video.
a user, I had no idea there was more to take apart. thank you for the tip.
I just took mine apart for cleaning. First time I've opened up one of these plastic carbs. That center white stack was a real bear to pull off (as was my gas line). Others have recommended prying it off with a screwdriver but that seemed like an easy way to break it. I ended up repeatedly twisting it slightly back and forth while pulling very hard on it. There were three holes in there, one of which had some crud.
The sewing needle idea worked great. I actually used a pin.
My husband performed this maintenance and took a free non-starting mower and now runs great! Thank you!
Jill, I am thrilled for you guys, congrats on the success and thanks for the comment.
Bro you saved my ass was going to buy a new mower and boom 💥 you fixed mines for me for free of cost thank you brother!!
Haha, success! Glad to have helped. Thanks for commenting.
I followed you step by step and everything about the B&S plastic carburetor turned out just fine. One pull to prime the engine then the next started like new. Thanks for everything. You’re the best.
Awesome news martin, thanks for commenting!
That was right on time. I was frustrated mower wouldn't start. Saw your video. Fix my carb and finished the lawn just as it got dark. Thanks
Dude, I'm glad the video helped you and I appreciate your comment. Great job!
Couldn't ask for a better and more detailed video on how to do this. My carb is the exact same one and it's been run without a filter, so your excellent video will help me get it running in top shape. Thanks!
Truly appreciate the compliment sir. Good luck on your repair
Thanks for the in depth explanation and take apart process
It's August of 2021 and your video helped me revive a throwaway in excellent shape. I need a power mower for the yard again. Thanks! ...
Awesome! I am happy to hear this. Congrats on the fix!
Just wanted to thank you for coaching me through fixing my first ever lawn mower.
Congrats on your success and thanks for taking the time to comment!
Excellent. I watch fix it yourself videos all the time. This by far is the best. My mower is up and running again. Excellent demonstration. Thank you.
I am humbled by your comment, Roldon. Thank you.
Thanks for the videos. Very helpful. I had a similar mower problem (would run for a second or two with a shot of carb cleaner, but not otherwise.) I cleaned out the carb as you showed, but it was pristine. No gunk at all. Turns out that the fuel outlet at the bottom of the fuel tank was clogged. Could have saved myself some time by not bothering with the carb at all, but I assumed that was where the problem was. After cleaning out the tank, i'm happily running again!
Nice work! Thanks for watching and commenting
First time lawn mower carb. fix. WOW!!!!! Your video did it for me.... THANK YOU
Woot! Congrats man
This may be from 5 years ago, but I have this same exact mower that was abandoned in a shed. And was able to basically get it for free! And I've never was able to get the original carb to really ever run right. But I bought a new carb off Amazon but I think I have the wrong jet Inside my carb. Because it surges up and down and I didn't realize that the carb is not the same part # as this carb. But thanks to you now I know what size jet to get for my carb! Should make it run great afterwards In my opinion.
Awesome, I am pulling for you, hope you get it sorted out soon.
GREAT video. had followed 2 others with no success. found yours and found the detail i needed that was missing in others. found out where that little silver disc goes in bowl by looking at your pics.THANK YOU.
Awesome, I am glad you found my video and that it had what you needed. Thanks for your comment
Other RUclips presenters need to take lessons from YOU, articulate, camera control, gotcha's full example of the material covered. I had this problem, YOU fixed it for me!!
Thank you kind viewer! I appreciate that positive feedback. And congrats on your fix.
Part 1 & 2 gave me the confidence to clean the first plastic carburetor I've ever seen--plus saved me a trip to town & back and probably $50. Plus at least one day delay! Easy to see visuals, easy to understand explanations.
Awesome! So happy for you and thank you for the comments.
Maan!Thank you for making this video. Had the same problem and now it's working great. If you were close, I'd buy you a beer or 12. Good job!
larios956, you are welcome my friend. Thanks for taking the time to comment and congrats on your success!
I agree. This is what I needed to save my sanity. It worked perfect! Thank you so much for a perfect tutorial.
Thank you!!!!! :-) !!!!! I really appreciate the help!! You had every step so well explained. The only thing I had to look elsewhere for was how to move the fuel line clamp. I was starting at the BASIC level and still managed to do it with your help. Thank you!
I'm glad you figured it out and I am vicariously proud of you. Thanks for commenting on my video
Worked perfectly!! It cost me $12.22 and about 30 minutes. I replaced spark plug for $2.11, carburetor cleaner spray $5.49 and starting fluid $3.99 (this might not be necessary but good to have around) all from Auto Zone. Super easy fix that will probably save you $50 to $75 dollars. Thank you!
Michael, you're welcome, and thanks for taking the time to comment. Congrats on the cheap fix!
Superb! Thank you very much, another happy mower running sweetly again. Starts first time again and no longer hunts. Last Friday it was 'dead' today i bought £2.99 tin of carb cleaner and blew the jets out with my mouth. Job done.
Outstanding, congrats on the fix!
Very helpful. After weeks of not geeing my mower to start, I viewed your video and completed the process as described. Starts beautifully and dutifully every time. THANK YOU
Awesome! Congrats!
Bread twist tie wire works well for the brass jets.
Often,you can find the same material in spool form in the garden center of your home supply store that's used to tie up plants.
Another pro-tip! Thank you for posting that.
Thank you! Thought I was buying a new lawn mower... followed your steps and is now starting on first pull!
Brad, that's awesome. Congrats and thanks for taking the time to comment
Thanks bud. I owe you a beer! Got my Pressure washer running on 1 pull. Helpful insight to carbs in general as well.
Sweet, glad you got it running. Thanks for taking the time to comment and someday, maybe we'll have a chance to sit down for a brew.
Thank you for posting this detailed explanation. My problem was all the way inside that white plastic valve. I was on the verge of throwing in the towel and taking it to a shop, or buying something new. But, after watching this video I persevered, and now my mower is running again. I really appreciate it.
Nice! Perseverance pays off.
Thank you! I used this video to repair a pressure washer that had the same Briggs and Stratton motor. The seal over the bowl was slightly different; mine had a plug I could open with a hex wrench then use a long screw driver as torque to pop the seal off. Otherwise your step by step instructions worked like a charm and I got it running again. Much appreciated.
Sweet and congrats! Thanks for taking the time to comment
What an excellent video. You are a natural teacher, intuiting where someone with limited experience will get stuck or have questions. You are reassuring, easy-going, and encouraging. Thank you!
John, thank you, truly appreciate that feedback. I've mentioned on some other comments that I try to make videos in a way that my mom could follow the instructions. Some people get frustrated by how much I talk or over explain...my videos aren't for those folks primarily. They're for beginners and people with a need for knowledge.
Thanks so much! It was just what I needed. Your presentation is very clear and it's important for me because I'm French and my English is not very good. But I have understood all of your explanation!
Merci beaucoup! I am truly happy to have been able to help.
I would like to thank you very much. I was given a free lawn mower this past weekend and it hasn't used in 6 years so I knew it was a carburetor issue. Had it apart, all jets cleaned and back together and purring in 40min!! Thanks
That's awesome, happy for you!
Excellent video! I picked up a free mower because it wouldn't run. Cleaned the jets and it fired on the second pull.
Nice work! Free is great! I have obtained many a mower that way
Thanks! I did not see any impediments in the carb but checked everything, put it back together and mower runs fine. Assume something was sticking and opening it up helped. Now my wife can mow the lawn again! :)
Lmao, put the wife to work, I love it!
Great videos. Thanks. Following your instructions, I disassembled and reassembled my mower carb. Using a little bit of fresh fuel, it started right away, but ran roughly and leaked fuel. Upon disassembly and inspection, I realized that I had oriented the carburator bowl incorrectly by 180 degrees, not allowing it to seat properly. Assembled it correctly, and it ran strongly and free of leaks.
Greg, awesome and congrats on the success! Thanks for taking the time to comment
Definitely a good help to watch this before first time repair. Mine went perfectly - found a tiny bit of debris seated into the intake port.
Glad it helped and thank you for the comment.
Thanks for the step by step...it was very helpful to see what needed done before actually tearing down.I am a automotive mechanic and have done and still rebuild carbs but have not done much small engine work.A neighbor wanted me to tune 2 of his mowers so I figured I would give it a shot....already finished one that had 4.5 hp motor and am doing the 550exmotor now and it has been sitting so I am going to take carb off and check it.
Mike, thank you for taking the time to comment. I appreciate the feedback from a mechanic! good luck with your repairs sir.
Thanks so much for this great video! After draining the old gas I followed it as closely as I could, completely cleaning out the carburetor and blowing out the various tiny passageways with a can of compressed air after working on them with a sewing needle. When I removed the carb bowl I noticed small white "balls" of corrosion and suspect some of that was stuck in the works somewhere. I put everything back together and added new gas and on the very first pull it fired right up! I am so happy to have my mower that I couldn't get started for a year back!
Great job Eric! Happy for you, thanks for the comment
Thanks for both parts one and two! I got all the way to having the carb out, but was to chicken to pry it apart. But after watching you do it step by step, I knew I could fix it myself... and it now starts! Plus all of the other videos showed the bulb type carburetor, not the newer one in this video. You Rock!
Enli10d, thank you my good man... appreciate the kind comment and congrats on getting the engine running!
jcx2bby Yeah, now the real fun begins, I still gotta mow.
BEST video yet on how to do this!!! Thanks for the blow tests, bicycle pump and needle tricks!!! And the yellow can of starting fluid substitute for carb cleaner!!! We couldn't find the carb cleaner we bought 2 years ago for this purpose, but we did find a can of starting fluid like yours!!! The sunset as we put the carburetor back together, but it passed all the blow tests and we have high hopes it will start today when put back together!!! Will keep you posted!!! :)!!! It was great watching you use everyday tools, nothin fancy, to get the job done!!! We took your attitude and ran with it!!! Thanks for the knowledge and inspiration!!! :)!!!
Thank you Marjorie, your kindness comes through in your words. Glad I could help and I'm willing to bet you have a running motor today!
Worked great! Needle trick is what fixed it! Saved me 600 buying a new mower... lol
Nice! Congrats man and enjoy that $$$ saved
This was viewed may 9th. Great job explaining everything. Thank you.
You should also pull that center piece. That white plastic piece. Use a screwdriver to help gently separate the emolstiin tube.once apart. You will discover three tiny holes. They must be clear of any obstruction. Also push out the metal ball. Don't loose it m spray carb cleaner through those bleeder holes. Reasemble it
You seem as if you could teach Anything to anyone such a kind voice loaded with confidence and very nice gentlemen. Im going to do this after church tomorrow. Thank you for being here for us.
Quinn Grinn, I think that might be the nicest comment I've ever gotten... thank you for taking the time to post it.
when I do these vids, I think about folks that have never had exposure to mechanical mentors like I did...it's easy if you know how and impossible if you don't.
thanks again and best of luck with your repairs tmrw!
Thank you for saying that funny story my neighbor told me to put some ether on the end of a broom stick and spray it while I push the mower haha thanks again for your compassion you really seem to help out this planet we need more people like you
Got one of these mowers for free yesterday, stopped running for the guy. only runs on starting fluid. took bowl off and that white jet assembly was no longer snapped into place, and refuses to snap back in. so just picked up a new Carb Assembly (44 bucks) mower runs like a champ again!
Perfect! Congrats on the success and for keeping a good engine out of the landfill
Re the white jet assembly not snapping back in - The middle tube of the white jet assembly pokes through a white plastic bush fitted inside the bore of the carb.
This bush has a hole in it for the middle jet assembly tube to poke through so that the tube sticks up slightly inside the carb bore to spray the fuel charge into the engine.
The white plastic bush is a loose fit in the carb bore so can slide back/rotate when the carb is being worked on so that its hole no longer lines up with the middle tube so preventing the white jet assembly from seating properly.
If you look up into the carb bore from the white jet assembly housing and push back/rotate the white plastic bush in the bore, you can see when the hole in the bush is correctly aligned for the middle tube of the white jet assembly - then fit the white jet assembly and it will now seat properly.
Thank you- worked like a charm- without taking the whole thing apart I removed the carburetor cover and used an air compressor to blow out the fuel inlet and the small valve you show on here.
Nice hack! Glad.you got it to work.
Thank u so much for the how to video!!! Been working on this mower for two days. After watching video, I took the carb apart for the fourth time and cleaned the three ports out and reassembled carb. Mower started first pull. Thank u again sir.
That's awesome, congrats on the fresh carb!
Great job man ! It was very informative and easy to follow .. I’m sure you helped a lot of people.. thanks !!!!
Thank you sir
Great video, helped me overhauled my carburetor on Briggs and Stratton 550 EX, now mower runs like a champ. Thanks a lot man
Awesome! Congrats and thanks for taking the time to comment
Hi, from Puerto Rico, thanks you, for this excellent video, you helped many women like me to fixing their own mowers. God bless you.
How madeline, I am pleased the video helped you out. Thank you for taking the time to comment!
Dude! You saved my life. I used some canned air to clean out the white jet piece and some junk blew out! Thanks for the videos!
Lol glad to help
Great video, I spent several hours messing with my mower. It had been sitting about a year and a half. Did everything in this video and now starts with one pull. Thank you.
Woot! Congrats Von
Yeah I have to look at mine. I’m in the same situation. New mower used a little and it sat a couple years now no start. I’m pretty sure it’s just the carb clogged up.
@@whatfreedom7 most likely it is, especially if it sat with gas in it n
My Brother… fixed my mower watching your videos! Kudos!
Happy to have helped!
My mower was running and stopping. This video got it running properly. Thanks great job
Thank you and congrats on your mower
Great video - exactly what I needed to get me started. Thanks! Cute kid !
9 months later. Had same issue but 2nd time around was easier. I found the air filter hose had come undone so it was breathing dirty air. My carb allowed using 7mm socket on screws that you used T15 driver on (just in case some people don't have Torx bits.)
Sweet, thank you for watching!
Legend! Followed your vid and got my 550EX purring like the day it was made. Thanks so much for making this. I had crud at the tip of the needle and one blocked port in the carby. A very satisfying repair!
Dude that's awesome, so happy to hear that! Thank you for taking the time to comment
Good job. Remember the jet assembly is in two parts that can be separated for cleaning as well.
Yep. I didn't know that at the time. Included that part in my later vids. Thanks for commenting
Aloha and Mahalo for you very helpful video for helping fix my Father in Law’s mower
Your videos for fixing the carb was great. I followed your informative videos and had the mower running in 45 mins.
I truly appreciated your help and assistance.
Mark
So glad to have helped, and congrats on your fix.
Thanks mate from Humpty Doo NT Australia 🇦🇺 👍 love your work
really good sight i finally got my briggs and stratton 550ex working thanks to this video
Thanks for taking the time to comment Brian. Congrats on your fix
THANK YOU!!!! THANK U !!!! THANK U!!!!. I bought my first ever lawnmover last year and just used it for 3 times and it sat in my garage for the winter, and wouldn't start this season. Followed your video and Wollaa....started on my very first attempt. Thank you again..
Muhammad, congrats on your success and thanks for the comment!
Run the lawnmower until it runs out of gas before you put it away for winter. I forgot to do that to mine last winter and just finished cleaning out the carburetor to get it running again
Hey my friend I just finished doing this to a toro mower and it fired up first pull. Great video with fantastic instructions. Thank you very very much.
Awesome man, thanks for the compliment and congrats on your success
Great video! For cleaning out the jet I use a wire they use to close a bread sack, simply remove the outer coating and the wire is the right size. I keep one in my wallet for a emergency fix.😉
Nice!
Great lesson ,I got mine going again. But the pull chord wouldn't pull when I put it back together and I had remove it and turn the engine with a large screw driver to loosen up the engine a bit . It had a sticking point for some reason. Replaced the top pull chord assembly and with some starting fluid , cut some grass. Thanks !