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How to Clean a Generac Briggs and Stratton Nikki Carburetor - Generator Hunting for Fuel 

Mark Jenkins
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Replacement Float Bowl Gaskets on Amazon - amzn.to/2ENhBrq
Replacement Spark Plugs on Amazon - amzn.to/2CsgUyv
Replacement Air Filters on Amazon - amzn.to/2C4bq1k
In this video, I walk through the process of cleaning the carburetor on a Generac 4000 XL generator. This generator ran fine when the choke was applied, but the engine surged as it hunted for fuel when the choke was opened all the way. Cleaning the carburetor resolved this issue and the generator now runs fine. After the video, I did order a replacement float bowl gasket and replaced it.
Complete Carburetor Kits on Amazon - amzn.to/2EyVlCb
Replacement Float Bowl Gaskets on Amazon - amzn.to/2ENhBrq
Replacement Spark Plugs on Amazon - amzn.to/2CsgUyv
Replacement Air Filters on Amazon - amzn.to/2C4bq1k
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Disclaimer:
Due to factors beyond the control of Mark Jenkins, I cannot guarantee against improper use or unauthorized modifications of this information. Mark Jenkins assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. Use this information at your own risk. Mark Jenkins recommends safe practices when working on vehicles and or with tools seen or implied in this video. Due to factors beyond the control of Mark Jenkins, no information contained in this video shall create any expressed 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 from the information contained in this video is the sole responsibility of the user and not Mark Jenkins.

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15 сен 2024

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Комментарии : 63   
@nogripes
@nogripes 2 года назад
Complete Carburetor Kits on Amazon - amzn.to/2EyVlCb Replacement Float Bowl Gaskets on Amazon - amzn.to/2ENhBrq Replacement Spark Plugs on Amazon - amzn.to/2CsgUyv Replacement Air Filters on Amazon - amzn.to/2C4bq1k
@camplin2
@camplin2 2 года назад
Good camera work and great discussion during repair
@gnystrom13
@gnystrom13 5 лет назад
Had I found this video first I could have saved over $100. Heading for the workbench right now to clean the old carb. Really great video. Thanks
@bentleymurphree216
@bentleymurphree216 4 года назад
I’ve always been hesitant working on small engine carburetors, but after watching your video I feel a lot more confident. I subscribed...
@ShorePelican55
@ShorePelican55 3 года назад
Very helpful! My Duromax 4400e would not start. After watching this, I felt confident to try myself. After removing and dismantling the carburetor, I could see that the main jet was actually clogged with something. I used wire and Gumout carb cleaner to clean out every port I could find. I put it back together and it started easily on the first pull. Very happy! Thanks again for your help on this.
@rkroz4005
@rkroz4005 Год назад
Very helpful and well described processes. Thanks for a great video!
@alanreynolds5956
@alanreynolds5956 5 лет назад
Thanks, I have the exact same generator and now feel confident to clean the carb
@alanreynolds5956
@alanreynolds5956 5 лет назад
Following up on original post. Cleaned carb and generator is working great. I won't forget to run out the gas again.
@klanglala7577
@klanglala7577 Год назад
That is a great step by step video! Thank you!
@dk156
@dk156 3 года назад
Great video Mark I picked this same generator up for $50 a few years ago and got it running I also had to take apart the starter switch to clean up contacts since I'm to cheap to buy a new 1 lol but you wouldn't have to remember what post the red wire with the fuse goes on wasn't paying attention, battery side post or starter post ?
@raymondgarafano8604
@raymondgarafano8604 4 года назад
Good vid, have not done B&S carbs yet. Champion, yup, they have tiny tiny holes in the barrel of the carb at the throttle end and a rubber plug by the idle adjustment, found a chunk of black stuff. engine worked great after.
@wooddawg4868
@wooddawg4868 3 года назад
To keep my generators clean and running clean I always use high octane fuel, after running on gas or propane I always run the unit until it shuts down after turning the fuel line off. secondly, i start the unit every three weeks or so while I do yard work and change oil yearly.
@Motokarts
@Motokarts 2 года назад
You are better off running non ethenol fuel over high octane.
@1969CampEvans
@1969CampEvans 5 лет назад
Thank You
@senko000
@senko000 Год назад
Great video! I was able to remove and clean my extremely gunky carb and get the generator running again. One question - normally there is an air/fuel mixture screw that is also removed for cleaning- or is this carb an EPA emissions model that has an tamper-proff aluminum plug covering it? Have you ever removed the plug and had to clean that jet? If so, which plug is it? Sorry for all the questions.....
@JasonDFL
@JasonDFL 5 лет назад
I ran my generator for a few minutes yesterday and after I turned it off, fuel was leaking badly out of the air filter. I guess my needle valve pin is bad. I’m hoping I can make it through this hurricane without losing power. Thanks for the video.
@darickymeister
@darickymeister 5 лет назад
Thanks! I'll be fixing mine later this week.
@leraerichardson6825
@leraerichardson6825 2 года назад
Great vdeo Should you be able to blow air thru fuel inlet ?
@andrewjohnson2108
@andrewjohnson2108 2 года назад
My 7 yr old cleans my generator,mower,and weed water, and chainsaw carbs
@djaramillo14
@djaramillo14 3 года назад
Does anyone know what the small circle is on top of the Generac fuel tank? Does anyone know how to get the gunk out of the tank that looks like grit?
@edwardhill6945
@edwardhill6945 Год назад
It’s where the fuel gauge should be.
@marvinschaap2931
@marvinschaap2931 5 лет назад
What is the rubber stopper for next to the center tube in the float bowl? You didn't comment on that in the video. Should that be removed to clean inside the stopped tube? Is there a jet in there?
@haroldross4225
@haroldross4225 3 года назад
I saw and wondered the same thing, I've never seen a rubber plug inside a carb before, and I know from working on these that it is a passage that is covered by the stepped rubber plug
@shawnseabaugh
@shawnseabaugh 2 года назад
Thanks
@bashafacin
@bashafacin 6 лет назад
What an awesome Video!!Your a Genius Mark haha!
@bashafacin
@bashafacin 6 лет назад
Yes I still have her...needs control arms and a new valve body for the transmission. Rear end is acting up too. I'm looking to Finance something. It would cost 5 grand to fix everything lol!
@1wtrahan
@1wtrahan 4 года назад
Awesome dude helped me out , your a boss, Thank you 😊
@califbob51
@califbob51 4 года назад
Very helpful video! Thank you.
@brocky78
@brocky78 2 года назад
Wondering if you could tell me please where that tiny spring under the rod that connents to choke rod connects to as mine broke cpl weeks cwaiting on part , can see tiny hole under governor rod on choke blask plastic lever on mine but where does it connect on the other side as was hoping to see in this video but cannot ?
@mikegeorgy4609
@mikegeorgy4609 4 года назад
Awesome video
@raymondgarafano8604
@raymondgarafano8604 4 года назад
Hello Mark, So, this carb did not have a long skinny tube with tiny holes< an emulsion tube? or what I call maybe wrongly a jet? I worked on carbs for B&S back in the 70's so I guess as Bob Dylan said (Paraphrased) And the carbs they are a changin'
@bl4ze600
@bl4ze600 3 года назад
Thx this video helped a lot
@andrewjohnson2108
@andrewjohnson2108 2 года назад
Spit works to
@ronnieholloway9109
@ronnieholloway9109 3 года назад
Hello Mark I have an old Generac 3500xl my father-in-law gave me.I have a question. Are the carbs the same for the 3500 xl has the 4000. The 3500xl was made in 1993 they’ve discontinued most of the parts.. I found one on eBay would like to find one cheaper thanks
@00solman
@00solman 4 года назад
This is a fantastic vid! Thank you!
@robertj9999
@robertj9999 2 года назад
Thank you so much for this video. A friend of mine gave me this exact generator which would only run with half choke and kinda rough. Every so often, when opening the gas valve, gas would drip into the air filter compartment and the generator would not start. I followed your instructions to the letter. For never in my life attempting a repair of this nature, it took me about an hour. ( I could not believe the amount of sediment in the carb bowl and throughout!) Bottom line is the generator does not leak fuel anymore and now runs fine with the choke closed. I am going to order a replacement air filter, spark plug, oil filter and gaskets to complete the service now that I have the confidence to do so, but I do have one question tho. My idle control switch seems not to have any impact on the generator when turned on. It runs exactly the same in the on and off position. Any clue as to why? Could it be a bad on/off switch? Anyway, thanks again for a great video!
@contact4mwy7
@contact4mwy7 2 года назад
Is your idle screw turned in further than it should be? Making it idle at a higher rpm?
@scottkeeter1880
@scottkeeter1880 5 лет назад
Looks like the air vent was not aligned inside the shroud when you put the breather cover on.
@rogermorits5415
@rogermorits5415 4 года назад
I noticed that
@tr3vorb438
@tr3vorb438 4 года назад
Have you done a video on the battery replacement on the 4000w unit? Would like to know your thoughts on this.
@jamesws3
@jamesws3 4 года назад
Good video. Curious - exactly which book gasket did you use? The Amazon link takes one to a page with many types.
@califbob51
@califbob51 4 года назад
Are there aftermarket mufflers for Generac Generators? There are very loud.
@rudsaki
@rudsaki 5 лет назад
Mine has a small plastic washer that goes over the arms that control the governor. Not sure I put it back on right.
@DavidStrchld
@DavidStrchld 4 года назад
You totally missed the crankcase ventilation hose attachment to the air filter. I saw that it is not connected as you reassembled it and it is not lined up properly. Overtime expect a dirty oil film to accumulate over that side of the engine. It is a bear to get back, you either need 6 hands like that Hindu god to get all those together, or perhaps a tool that can grab that crankcase hose from the inside which I theorize must exist.
@dwightelvey645
@dwightelvey645 4 года назад
I'm thinking the only way is to remove the valve cover, fan shroud and filter box and attach the hose. Then put it all back on the engine. One wonders how it might be done in the factory. I was able to do mine by removing the valve cover end but you really don't want to do that. It took me a couple hours, to stuff it back in the cover hole. Not mush sense if you put another air filter in it if it just sucks junk through the hole..
@kingtuts1978
@kingtuts1978 5 лет назад
Neither one of those generators have Briggs motors on them. Generac makes their one motors.
@kingtuts1978
@kingtuts1978 5 лет назад
Nope look it up.
@kingtuts1978
@kingtuts1978 5 лет назад
I buy parts for generac engins and I’m a Briggs dealer. Trust me generac makes their own motor
@kingtuts1978
@kingtuts1978 5 лет назад
Nope generac makes their own engine and always have. Generac and Briggs source their carbs from the same manufacturer but that is not a Briggs engine.
@Hugofreddie
@Hugofreddie 5 лет назад
Strange as I have a generac 3500 and it too has a briggs and stratton engine and has since new .
@kingtuts1978
@kingtuts1978 5 лет назад
hugo w Prove it.
@markshepherd3195
@markshepherd3195 4 года назад
If u did not explain how a screwdriver worked and how air blows out of a compressor air line fitting ianyone who owns a screwdriver already knows how it works just get to the point mr pain to watch man didn't even run it fail would make beter 6 minutes video whit out the jiba jaba
@edwincordero8
@edwincordero8 5 лет назад
Great detailed vid
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