Cast Iron Briggs and Stratton Flo-Jet Carb Rebuild Part 2

[@sweetlou5902]

Zippo your videos are so straight forward and informative without bloat. Thanks pal! Cheers from Canada.

[@Lockandload-nr6tk]

I had to search back through KZbin to find these videos, great information,. on my way to rebuild a 1960's Garden Mark Squire 9 by Simplicity Carb and these videos are priceless. Thanks Zippo for the time and information, I really appreciate it.

[@ZippoVarga]

Happy they can be of some good Robert!

[@Mr45Bullitt]

Sean I really like your videos. I know nothing about engines but you are teaching me. I really enjoy your videos. You are truly a great person my Friend. I hope you are doing well.

[@poorsob]

We got the carb kit and performed a successful rebuild thanks to your video. Really thank you. It was a great help. Since I have seen most of your videos, I wanted to share one of mine with you. Here is my son Scott on his grandfathers Allis Chalmers B-110 (that my late father bought new). Enjoy... Scott pulling day 2. 950lb class. He took it to the Banks (Oregon) Tractor Pull last year. I don't see many of these tractors. You don't even have one like this that I have seen. Now we have this AC B-110 and the Landlord 2012 (cousin's,,, sisters?) and a greater appreciation for them, thanks to you. They will both be going to the pull this summer.

[@ZippoVarga]

My apologies for not seeing or replying to this sooner! I was a diehard Wheel Horse guy until a Simplicity landed in my fleet. It didn't take long before the Wheel Horses were history and I was building my Simplicity and Allis fleet. The single tractor I restored to showroom new was a 3212V, which is the Simplicity equal to your B-110. I prefer the earlier models which resemble your 2012, so no flat hoods are in my collection. I'm off to view your Son Scott pulling! Cheers!! And Thanks for the compliments!! Zip~

[@robertjohn60]

man i like you ,your are a rare dyeing breed , ive got one of these on mixer and just cleaned and adj, wish i had found you sooner , im building homemade small mill and i love these old engines , thanks again

[@mimimimi7979]

I always look to you for guidance and you always come thru never failed me

[@MrSuperMation]

Thanks for sharing your experience. 25 years ago I was in the small engine/mower repair biz and knew all this stuff. I picked up an 1970-71 141-960 MTD GT a few days ago. Today I'm going to start working on it. I bought a new fuel tank shut off valve and a J19LM. I'll find out in a few hours what kind of shape I'm in with the carb, spark & compression. So fare I just needed the adjustment settings for the carb but it was great getting a review for a rebuild. Thanks again for your efforts.

[@poorsob]

You put out great info. This is the second time I have looked up guidance from you. My son and I are restoring a Simplicity Landlord 2012. I have a carb kit on the way for it and I'm doing my research now. Thank you for what you do for us shade-tree types.

[@CafeSquirrel]

Thanks for the help! The tank and lines had already been replaced. I've always been good at keeping engines and such running great but never did any big work on them. I got an old Wheel Horse garden tractor and the engine on it is a B&S 7hp from 1973. Amazes me how well these engines run after so long.

[@bigr7528]

Thanks Zippo this video cured my leaky carb, main jet was very loose. Keep up the good work, we appreciate your help.

[@ZippoVarga]

Very glad you were able to stop the dreaded leaking Flo-Jet Up Draft!! They're notorious for leaking and most don't know the fuel actually sneaks by the main jet and assume it's the float that is the problem. When I learned of this anomaly, all my dripping carb woes were gone. The least I could do was to share my lesson here. Cheers!!! Zip~

[@ZippoVarga]

I'm glad my video helped out!! That's my reward for doing what I do buddy. Keeping the old Iron alive and well. Cheers!!

[@ZippoVarga]

Hi Ken. Unfortunately, it's very difficult to chase the threads and repair them. The pot metal the carb bodies are made of is very unforgiving and damages easily. I suggest checking small engine collectors web sights and eBay for a good replacement lower carb body. Sorry to be the bearer of bad news. The special screw driver is a must to make when dealing with these fragile pot metal carburetors. Cheers!

[@deepbludude4697]

Dude! Awesome, im looking for my specialty screwdriver but I just ID'd one I can grind away.. I love all your videos. like you im disabled, blown up too many times cant see shite anymore outa my one good eye, right side all busted up, right hand nearly useless due to arthritis and previous injuries but I have never been one to sit around, and I do it all over again but I appreciate guys like you that take time too mentor, would love to be your neighbor haha...

[@ZippoVarga]

If I couldn't do something, my mind would get soft. Like you, I've had my fair share of damage done to my body, but we just have to keep plugging along! Cheers Dude! Zip~

[@ohiodigger4391]

Great video. I just picked up a used Giant Vac leaf blower with an 8hp B&S with what looks like that same exact carb. I wasn't sure what the starting point was for setting those screws. It didn't run at all when I got it but after tinkering with it for a while I got it going. But still not where it should be. I did notice some fuel leaking around the bottom where you said to check. I guess I need to tighten that main jet and then reseat the adjustment screw and back off 1.5 turns. I haven't been able to run the blower off of choke yet. I'll mess with it again tomorrow.

[@richardjones8940]

fair play zippo ,you got me out of mischeif...nothing beats experience!! hearty thanks ace!!

[@ZippoVarga]

Glad you enjoyed it

[@ZippoVarga]

They're much more reliable than the newer Walbro carbs. I bet I rebuild 5 Walbros to one of these old Briggs carbs. Thanks for the Kudos Matt!!

[@homelandreo]

Hey, Love your vids! I have a 3310 landlord that's losing engine speed while mowing. Is seems like the rpms are too low. Car was rebuilt and setup, governor was set up, all with help from your videos!

[@ericclark8258]

Thankyou Zippo..great video Cheers Eric 💈

[@choppergirl]

My B&S 5hp won't idle unless the choke is on 1/3 to 1/2.... at such a point it idles nicely Googling says this is because of a lean mixture. Adjusting the idle mixture screw seems to do nothing. I've blown it out with JB blaster and it seems to go through. New diaphram, cleaned out float bowl, gas tank, and main jet with a small electrical wire thread. Of course, I can't run it with 1/3 choke on, because if I accelerate it stumbles because the choke is on making the mixture too rich.

[@tonyblankenship9040]

hey bud I think you're doing a great job anyway we can get you to finish putting on springs and throttle levers. I didn't mark the spots where I needed to place them on a vintage Briggs & Stratton

[@ZippoVarga]

kzbin.info/www/bejne/epu8h36Iq5tkaMk

[@TheTrapperworm]

I've got basically the same carb you have here (main components anyway, slightly different air intake). Set the fuel and Idle valve to 1 1/2 and back and forth but it's still not kicking over. Idle is open and set as well. Cleaned it, rebuilt. New jet, needle, gaskets.. Whole nine yards. It wants to go but just won't get there.

[@7777independent7777]

Thanks Zippo! i was able to get my 74 mtd 990 running again. finally i can mow without breaking a sweat....

[@ZippoVarga]

Heya Bruce.....if you take the upper part of the carb and set it on the face that connects to the intake elbow (up side down) then the float should be perfectly level. Gently bend the tab that makes contact with the needle until you achieve this level plane. I sometimes even let the opposite side from the needle set a 1/16 inch or so higher than where the float connects to the carb body. If you continue to have trouble, you may look into how well the needle is seating. Let me know how it goes!

[@ZippoVarga]

You're on the right track with adjusting the screws to keep it running. As you adjust them you'll find the sweet spot where it idles nice and ramps up smoothly. Best advice is to "tinker" with the settings. The baseline is 2 turns out on each, then you can fine tune from there. Some engines like the factory setting and others need a little tweak. Best of luck!! Cheers!

[@ZippoVarga]

If the male threads of the main body of the main jet are not stripped going into the lower part of the carb, I suggest getting a replacement and not tapping anything. The carb kits are cheap and you'll have peace of mind that it's done right.

[@ZippoVarga]

Thanks Bill! Part three is still downloading...I have my good and bad days, but I live for those asking for help on here. It helps motivate me to get out and move a little..lol. I'm surprised I don't weigh 1000 pounds! Thanks for the motivation my Friend!!

[@ZippoVarga]

ebay is always a great resource for finding these carbs. You can use the three or four bolt carb and just dial back the main jet if you get the 4 bolt. If it needs rebuilt, you can also find the kits on ebay. Hope this helps!

[@ZippoVarga]

@tractorkid99 You bet......the (2) may be needed,as Briggs and Stratton has been updating their inventories to include the 2 as a prefix.

[@ZippoVarga]

Two possibilities come to mind. The engines exhaust valve is burned up and needing replaced/re ground or you have the fuel mixture too rich. Turn the main jet screw clockwise until the engine starts to falter, then open it back up 1/4 turn. At night and in low light, these engines produce enough heat that you can actually see the mufflers glowing red hot. If it's not backfiring, I would rule out valve problems and concentrate on fine tuning the carb. Hope this is helpful! Cheers!!

[@ZippoVarga]

Take the main jet screw assembly out and see if fuel pours out, if not, you're not getting gas to the engine. So check your fuel lines. If they're old, replace them and make sure the fuel tank is clean of debris. Also, the gas tank has to be higher than the level of the fuel bowl on the carb. After all that, give her a go. You may have to turn the main jet in or out until you get the engine to pop like it wants to start, then keep adjusting until it will start. Also slowly open the choke.

[@skippy55008]

Hey thanks for the video ive been working on an 8 horse briggs 91 model with that carb and baught a rebuild kit and replaced everything on it and before and after i did the rebuild it would always flood the carb with gas i didnt know why i checked the needle and float and then i seen your video and the main jet if i would always leak gas into the lower part of the carb then its that main jet i didnt know that untill i seen this video i checked it and it fixed my problem Thank you!

[@williamhsewardiv5742]

Zippo thanks for your help you're right The fuel line was too long and it created an air gap works well now but now I have a leak coming from the glass petcock bowl at the bottom of the gas tank now to look for a O-ring for that

[@craigstumbaugh3860]

Watched several of your videos many times and have a BS 16hp able to start and run but can never take off the choke completely. moves through the speed range decently. went through carb as you have shown

[@ZippoVarga]

hey Dave! Keep a check on ebay. The three bolt carbs are smaller than the 4 bowl bolt pattern carbs. They do pop up regularly on there. You can also put in classifieds on the tractor forums. Good luck!!

[@ZippoVarga]

It sounds like either the fuel line or pick up tube is partially clogged. With your 5hp, the tank is attached to the carb if I'm not mistaken. Remove the tank and make sure it's good and clean and at that time, you can clean the filter screen at the base of the pick up tube and make sure it's not causing part of your problem. Best of luck with your engine!

[@LewisMowersandBoats]

Very cool brother I learn so much from your show 😀

[@ZippoVarga]

Hey Charles...I've got a little trick I use to get flywheels off. I've had a couple people say. DON'T DO THAT!!! You'll screw up the bearings!!! No worries though...What they don't understand is how I'm doing it only frees the flywheel and puts no stress on the connecting rod, bearings or bearing plates. I'll get a vid up the next time I have to take one apart. Later my long distance Friend!

[@CSAKvids]

That would be awesome! I really don't wanna break the thing. The 6 horse is kinda rare too. Until next time!

[@TheTrapperworm]

Fuel is new and flowing well too.

[@flipr7]

Thanks, ive never worked on one of these until today. Was wondering how i could still have a leak.

[@businessaccount5662]

Mine is rebuilt, all of your boxes are checked...when I pull the cord, it will cough once, then next pull coughs or pops 4 times, then it acts like it's flooded and doesn't even pop.. I pull the plug and it's dry, it's gapped at 29 to 30 and I can't figure out what's going on. I've tried to spray some starting fluid in it. Your instructionals are very clear, hoping I'm as clear in seeking your help to get this monster started. 1960 Briggs & Stratton 6 and 1/2 horsepower updraft carb just like yours

[@2011h500tk]

Its gold and thank you have a great chrismas

[@mycaddie666]

zippo after all the fuss i went thru with my 8 horsepower briggs i discovered i had to raise the fuel tank a few inches,i believe the tank was put on and engine would never run for well................anyway, the carb is gravity fed and fuel dont run up-hill. after raising the fuel tank it runs beutifully. this is a rare thing but worth noting, joe

[@ZippoVarga]

If your carburetor has 4 screws attaching the upper to lower bodies (or three if it's an early 65, which by the serial number, it looks to be), then just search ebay for Up Draft carm rebuild and you will get a ton of reasonably priced rebuild kits. They are universal kits, so just look for the bowl to upper 4 (or 3) screw gasket and you can't go wrong. Typically, the kits come with both the two and three bolt gaskets, so you should be fine. The Spring is necessary for the governor. Continued...

[@ZippoVarga]

If you haven't, run new fuel lines with at least a 150 micron filter in line. Check the gas tank for any sediment. If there is any, drain the tank using the old gas line and clean the tank out. Make sure the fuel level in the tank is higher than the carburetor then start the engine. As you open the choke, slowly turn the main jet (Bottom) counter clockwise until the engine runs with the choke off. Then see if it will throttle up and down smoothly.

[@ZippoVarga]

You might get lucky and be able to rebuild your carb as long as you didn't damage the port that the main jet goes into (long tube). Typically, there are only two culprits to a leaking carb. The main jet isn't seated well or the float needle isn't closing off the fuel supply as it should. Best of luck and I hope this helps you out! Cheers!!

[@ZippoVarga]

@YellowFordTruck The carb shouldn't leak very much at the bowl gasket. It sounds like the needle and seat and float are to blame for your problems. Disassemble the carb as per my videos and purchase a carb rebuild kit. Don't use gasket maker, it will compound your problems. Check that everything moves freely and that your float doesn't have a hole in it. Often, you can get away with reusing the old bowl to body gasket, but don't use any gasket sealer or maker on the carb at all.

[@ZippoVarga]

If you stripped the threads on the carb body it self, you need to replace the carb. The main jet inside the carb uses those same threads and it's a recipe for disaster if you ever have to rebuild or replace the main jet. It's unfortunate, but the carb bodies can be found cheaper than a whole carb, which may be another option. I suggest ebay or jackssmallengine dott comm for a lower carb body.

[@denispoulin1942]

Thanks for your instructions I definatly get my fuel leakage of my motor. I had to remove the high fuel tube off 4 times and blow a little bit of compress air and retighten quite a bit and now everything is working good. And a the last question I ask about charging system I discover that the diode was broke and loosing the power when the motor was running. Now here a question. when the motor is running I have a lot of vibration and I tought that may be if I put some rubber shims under the motor will help a bit. Thank you from Denis.

[@ZippoVarga]

+Denis Poulin Don't do that Denis. The engine is in perfect alignment with the drive shaft and rear gear box. Raising the engine will cause all kinds of bad things to happen. These engines vibrate. They always have. I'm glad you got the carburetor fixed. Cheers! Zip~

[@SwampBoyJ]

THANK YOU! I got my 1968 Rugg, 6.5HP Brigs & Stratton running, and fuck do I love it. Carbs always confuse the shit out of me, and thanks for your vid it runs like fucking new now!

[@More350Power]

Thanks for the vids! Always enjoy them!

[@crumpet12100]

Hello thank you so much for this video it helped me to understand my engine. I rebuild my carb and the whole engine and it still seems that i may not have gas getting into the engine. It will fire when i put starting fluid in it so i do have spark. I also set my idle speed so i dont know who to look for next. If you could give me an idea of where to start i would appreciate it. Thanks

[@CTmoog]

Hi, thanks for the video. I have one of these off a 16hp from a Gravely 800 series. Where do you order your kits from?

[@ZippoVarga]

Thanks Ram! The last one just finished uploading and I'm fixing to make fun of my self a little where I totally blanked out for a few seconds...lol. Thanks again Buddy!!

[@lstine80]

Excellent videos. Just rebuilt my carb and now that the motor runs, there is a small flame coming out of the muffler. 8hp Briggs. What is going on there?

[@jacko-13]

Hi Sir. I have this carb and its flooding with gas, as you say at 3.45. Gas comes out the bottom of the air filter etc. When I screwed the needle valve in after cleaning it, I simply screwed it till it was seated all the way in. When you say "back it out" should I just try backing it out half a turn and then retry and repeat the process if necessary, until it no longer floods? Is this what you mean? Would really appreciate your advice, if you could kindly spare the time to give it. Love your channel. I have a 1972 Honda CL125 by the way. Fixing it up now - another longer term project.

[@Mmancrypt02]

I have the 8 horse Briggs and Stratton with the upjet carb and am a little bit in a bind when it comes to the governor and adjusting it, their is a nut on a bolt that's got a spring that's connected and not sure on it's proper setting also the idle adjust screw setting

[@ZippoVarga]

Hi Troy. I have a video on the vertical engines as well as many more on the horizontal crank shaft engines. Try a search and if you come up empty handed, let me know and I'll see if I can help further. Is your engine a vertical crank shaft engine or horizontal? Zip~

[@yerbua9162]

www.briggsandstratton.com/na/en_us/support/faqs/browse/antique-engine-specifications.html This is how I got my engine running.

[@yerbua9162]

The manuals have parts numbers specs and more.

[@BaFunGool]

Super fantastic video...it worked for me... Thanks for posting...

[@FMsystemsInc]

Cast Iron Briggs and Stratton Carb Rebuild. Thanks for the great video. I have the same engine and was rebuilding the carbonator because the gas was leaking out. I got the rebuild kit and started to assemble it but noticed that the float did not go back to the original position and was rubbing on the float bowl. It was sitting to high on the needle valve. I did not want to bent the tab that hits the needle valve to much more that it was already. Any hints why it is sitting higher than it should

[@PrimalCajun]

What is this engine on? I have a 1970 something Speedex garden tractor and I'm trying to find out the serial/model of the engine. My carb looks just like yours except it has a high idle screw instead of a thumb screw. The vid helped and I'm gonna rebuild the carb and go from there but it would be nice to know the numbers to order parts.

[@Ram2253spd]

Hey Sean another great video!

[@ZippoVarga]

To get the right carb kit, take all three sets of numbers off your engine and go to your nearest service center for the rebuild kit. Good luck!!

[@ZippoVarga]

Long explanation short. Over time, the material the carbs are made of begin to pit. Put an in line fuel shut off between the tank and engine and always remember to shut it off before shutting the engine off. Or, find/buy a new carb and install it. Most likely, the float is fine and fuel is seeping past the main jet.

[@ZippoVarga]

Without seeing the assembly, I can only speculate here. Check that the old needle and new needle are identical in length and that the float tabs that the stainless pin goes through are not bent. If you have the needle to float spring installed, try assembling with out this part. Did you install the new brass seat that came in the kit? These are for the newer 4 bolt carbs, so you shouldn't have had the need to install it. Let me know. Cheers!

[@ZippoVarga]

And yes......there should be a throttle cable. Check my other videos to see the two options for installing the cable. Best wishes! Cheers!

[@vlvotech]

thanks for this video set very informative. i have a model br6 that had been sitting 20 plus years outside i took the carb apart and cleaned it, sunk the float in a bucket of water for a while and it didnt take on any water, all the gaskets seamed good enough to reuse and didnt brake when comming apart, none of the needles were worn from being over tightened, i set the float parallel... i've got it all back together but its pouring fuel out of the air intake/cleaner side. when i say pouring i mean its like i just ran an open fuel line out of it. i pulled the needle out and reseated it like you stated and still pouring fuel out, i then pulled the carb back apart and re set the float a little lower in the bowl thinking maybe it was just badly flooding itself (although the engine runs very good even with fuel pouring out) got it back together and still pouring fuel out. you have any suggestions? any help would be awsome

[@ericclark8258]

Hey Zippo Iam not getting any action on my throttle at carb when I move lever on dash. The governor rod moves but not the arm that move throttle on carb. Cheers Eric💈

[@lstine80]

Thanks! Now I stripped out the female threads on the drain screw on bottom of carb. If I retap to next larger size, will that metal crack. Suggestions for fixing?

[@mathewesplin1377]

i have several briggs cast carbs like in the video. i have a problem with them always dripping gas. i have had the main jet out several times. it look to be only seating on the upper seat. any idea how to fix. thanks mat ps your videos are very helpful

[@zlatkofilipovic1509]

My snow blower Gilson with 8 hp working only on chock ?.When I pull chock out ,then he starting to chocking engine and working very bad,but on little open chock working good when engine is hot already ?🤔.What is wrong with that ?

[@johnzabel3417]

Zippo- I have an old gilson with a briggs 326437 (16hp single cast iron, etc.) It ran fine for years, then for a few months it wouldn't start, but if I blew a shot of starting fluid in the air cleaner it would start and then run fine. Now, It will only run on starting fluid. I can drive it around the yard if I keep squirting starting fluid in the air cleaner, but it won't run by itself. I've taken the carb apart twice, soaked it, cleaned it, blew it out, and everything looks good in there as far as I can tell. Any ideas? I'm stumped.

[@ZippoVarga]

Chances are, that the fuel line needs replaced and/or the gas tank needs cleaned out. Since it ran fine and these carbs rely partly on vacuum suction, an occlusion in the fuel delivery can cause this problem. Keep us posted! Cheers!! Zip~

[@ZippoVarga]

You're very welcome!!

[@ZippoVarga]

Using the numbers on your engine, go to PartsTree dott comm and you should be able to find a carburetor rebuild kit there.

[@ocbeast6038]

I have a 16hp briggs cast iron that I want to use for a go kart build. If I remove governor, add billet flywheel will I be safe from any dangerous blow offs? Any advice or tips would be greatly appreciated!

[@2bellaterra]

hi zippo> great vids. Im working working on my grandfathers old simplicity. it has a cast iron 12hp briggs from 88. electric start. one day it died and sat until i got some confedance to try and fix it. im took the carb off the noticed there is rust in the intake port and on what i assume is the intake valve stem, under valve cover is nice and clean. i need your opinion on what to do to that intake and valve . if its not to pitted can i clean it up, lap it, and use it? or should i just order a new valve? also beside a rebuild kit . can u think of anything else i will need ? also can i put a rewind kit on an electric start and keep the electric start? thanx so much . love your vids

[@MrBruce4843]

Hey Zippo, love all your videos. I have a 16hp cast iron Briggs I that leaks gas out around the bowl. I checked my main jet as per your video but still having trouble. Is there a rule of thumb when setting your bowl height. I currently have it cutting off fuel when the top of the bowl is parallel to the upper part of the carb. Again, thanks for the videos.

[@garycrombie9875]

Will carb leakage cause engine not to fire. I have good spark, it was running then stopped out of the blue, rope broke, now with new fuel and good spark it still will not fire. 8 hp briggs and stratton snowblower. Thanks, Gary

[@mada94fxr]

Hello Zippo. I have a quick question on a Flo Jet. Someone brought me a old Powermate generator with a 11 HP I/C briggs with the 4 bolt flo Jet for service. It runs fine with full choke and dies with it off. Being there are not a whole lot of passages on these carbs, what would be the cause? Emulsion tube clogged at the little side ports? I have worked on hundreds of carbs, but, never a Flo Jet. Thanks

[@JBRinjersey]

Hi Zippo, thanks for such good videos. I greatly appreciate them. Say I've got a Simplicity 3112 that I bought off a neighbor. He had the governor/throttle springs all screwed up. Last I heard he had that poor engine roaring away. Anyway I fixed the springs. Next issue - the throttle does not want to drop down on its own. I can push down on the arm the springs are attached to and it goes down. Maybe I'm asking the obvious but does it need a carb rebuild? Hasn't run in about 3 yrs. Happy NewYear!

[@edzgarage]

Good video and great info!

[@choppergirl]

Is the engine suppose to run with the idle screw completely removed, on full choke? From the diagrams I look at, gas should be spewing out of that hole in such a situation, or it shouldn't be running at all. My engine will only run when fully choked.

[@russiannuke7809]

Zippo, I rebuilt the carb on my briggs engine, and have finally got it to stop leaking fuel out the bottom thanks to you! Now it starts in one pull, fantastic except that the engine has no power. as soon as it gets put under load, it stalls out. Additionally the engine makes a popping noise once every 3-5 seconds or so. with each pop it emits a small amount of blue smoke. Im wondering if maybe the engine is missing or maybe bad compression. Any ideas?

[@pkweed1]

Excellent video! My problem is the needle keeps dripping fuel...on a 16 hp Briggs and Stratton 1989...any advice?

[@MrBruce4843]

Hi Zippo. The float adjustment did the trick, no leaks whatsoever. Unfortunately, I have a high rpm knock thats really got me worried. I just got this thing back together after a rebuild. My machine shop bored the cyl and lapped the valves and i put the whole shooting match back together. Would it be possible for me to shoot you a short video so you could give me your opinion on what i should do? Love your videos, you have a great way of breakin things down for numbskulls like me.

[@MrZmaro]

i NEED your HeLp bady! my gas tank is emptying into the oil crankcase after sitting for awhile....i had to change out the oil/gas with fresh oil-seems my float isnt set right and cant find anything to adjust this! ive had the carb apart several times already-and everything appears to be good in there-i just cant seem to figure out how to adjust the float to stop it from overflowing and emptying the gas tank! then once i figure that out-i can adjust those other three screws to tune the generator-

[@bobriley8132]

I have 2 david bradley walk behinds, one with a 2 horse model n and one with a 5 horse model 14. Both carbs need rebuilt. Where can I find kits for these? both are from the early to mid '50's. TY

[@gitterdonedude]

hey i need one of these carbs for my bolens 750 i just got the one on it is shot any direction would be great thanks zippo!

[@jeffallison7314]

Zippo, I bought a new carb. Briggs model 390323. my question to you is how are the initial jet, idle and fuel screws set? Do I install and start then begin to make adjustments? thanks!!

[@williambrink7153]

My 8 hp briggs carb looks just like yours. It will run good for 1-2 min. then dies. Any tips? I've already cleaned the carb. I'm suspiscious that I just haven't found the right adjustment on the two screws yet. If it starts dying I can quick turn the main screw and keep it going.

[@kenimrich8798]

Hello Zippo, I have a old B&S 8 hp motor. The coil is bad (meter shows coil is open). I have been to every small engine parts stores in Augusta Ga with no luck. One even looked in old paper parts books (they were stored in a dusty trailer). Bottom line is I have had no luck even identifying this coil. There are no numbers anywhere on the motor. Can I send you a picture of this coil? If so how? Hate to retire this motor because it runs (ran) great and is (was) very easy to start.

[@He-Him373]

How do you tighten the large Welch plug on the one piece flo-jet? Also do you know how to remove the choke shaft?

[@76stingray22]

I bought a tractor figured the carb was dirty. Bought new carb. Installed. It does same thing. Runs for a second and dies. Changed fuel line and checked flow Seems to be flowing just fine. But only runs when dump gas in carb

[@CafeSquirrel]

Hey Zippo, nice videos on here! Plenty of helpful information. I have a B&S with a carb just like the one in this video. I got an overhaul kit and replaced all the parts. I've been trying to adjust everything but for some reason I can't get the engine to run without the choke being closed. Any suggestions?

[@alhoot727]

good video, I purchased a new carb on line for $16.00 looks great but it will not draw gas to engine,if you put gas in the throat it will run for a second.the original did the same I have good flow to the carb and after removing carb there is gas in the bowl,could I have a different problem with internal engine? what ya think

[@ZippoVarga]

Pull your spark plug and make sure you've got a good hot blue spark. Often, an issue can appear like it's carb related, but end up being spark related. Pouring fuel into the carb floods the combustion chamber more so than the mist that is typically drawn from the carburetor, which makes even the weakest of spark, able to start the engine. I know it sounds counter intuitive to look elsewhere for the issue, but I've run into this many times. Keep me posted! Zip~

[@ZippoVarga]

@TheK7666 You bet! That's why I do the vids!!!!!

[@northernredneckgarage.4364]

we have a couple of those carbs on a couple simplicity's we have, we cant get either of them to idle up we have tried everything clean and adjusting would you know whats wrong?

[@codyhurt5049]

Yes sir I've got a newer version of that carb on a log splitter 8hp m.wards version and it runs for 5-10mins. Then dies like I hit the kill switch got any pointers

[@raymondgarafano8604]

Hello Zippo, I got an old cast iron engine Briggs Stratton Model#23AFB type 700530 serial795530 Gerty is not seized, has an auto type or similar gen hook-up thru a starter solenoid but not hooked for bat chrg, she has the flow-jet carb and since I have all her #s hope I can get the air filter. Do you have an idea of her HP? Thanks very much Zippo.

[@ZippoVarga]

Please pardon my ignorance, but I have no clue what it is you're referring to. Can you elaborate??

[@jdram58]

My carb was leaking like a seive after rebuild even before trying to start it. I am afraid the needle screw and perhaps even the long tube inside might be messed up When I took it apart I didn't know it was there and who knows what type of damage I may have done in side the chamber itself. So I don't know if I should try to salvage it or not or take it too someone. I may just find a replacement Horizontal shaft engine for the old snow blower. Usually I just clean out float bowl...