Easy Troubleshooting and Installation Of Carburetor On Briggs & Stratton V Twin Riding Mower Engine

Рет қаралды 47,375

Жыл бұрын

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We take a look at a Craftsman Riding Mower that is not running right and surging and show how to easily replace the carburetor on a Briggs and Stratton V twin engine and troubleshoot issues you may have if installing a carburetor on these engines.
What to look out for and how to diagnose and repair running issues. These issues many times present as a mower not running if you take the choke off, surging bad or dying under a load.
We go in depth of the replacement process and show the common issue we see with customer installing the new carburetors but they still won't run right.
We see customers run into this problem a lot after installing aftermarket carburetors on these engines also.
This is a Briggs and Stratton Platinum XRD Model 445677-2188-G5
The carburetor part number is 796997
A replacement carburetor can be purchased at amzn.to/3RhDEtB
If your motor has a separate choke you will need a different carburetor, this one will not work even though it looks the same. This carburetor is meant for units with a choke/throttle cable in one (choke-a-matic)
Like and subscribe to see more helpful videos like this one! Save some money by doing it yourself!
#craftsman #briggsandstratton #smallenginerepair #individualizedrepair #smallbusiness #diymaintenance
About Us:
My name is Martin. I have been repairing tools and small engines for almost 20 years. We operate a small engine repair shop in Illinois. We service / repair Briggs & Stratton, Kohler, Kawasaki, John Deere, Cub Cadet, Toro Tecumseh, Loncin, Honda, Craftsman, Husqvarna, MTD, Troy Bilt, Simplicity, John Deere, Exmark, LCT, Generac and many more brands. We work on riding mowers, walk behind mowers, snow blowers, zero turns, generators, pressure washers and much more. We normally repair about 3,000 pieces of equipment every year and look at many more that are beyond an affordable repair. Hopefully our videos will save you some money and give you the information you need to work on your own equipment or figure out the issue at hand.
Disclaimer: Links included in the description are affiliate links. As an Amazon associate we earn from qualifying purchases. There will be no additional charge to you for purchasing here. We appreciate your support, which allows us to continue to provide original content!
Please be careful when repairing any piece of equipment and follow all possible safety measures. This video is for entertainment purposes only.

Пікірлер: 141

@lorenzaneal2650 11 ай бұрын

Thanks a lot, very good video. I put the choke wire in the back hole instead of the front. The motor would start using ether but would not restart. After watching your video I saw I had put the choke wire in the wrong hole. I had to remove the carb again to get the choke wire in the front hole. Runs and starts perfect now. Thanks again for helping people "do it yourself"!

@IndRepair 11 ай бұрын

Thanks for watching glad I could help out!!

@steeldesignerpro261 6 күн бұрын

This was very helpful so I didn’t have to find everything on my own. My intake runner was also warped but I do not have spars in stock. I supported it on steel tube in my shop press and applied pressure to the side. With a bit of over bend and time to take the new set it worked perfectly.

@IndRepair 5 күн бұрын

That is an awesome Idea, glad it worked well for you!

@philliphall5198 11 ай бұрын

Had a customer who refused to approve a new plastic manifold, he said glue it, I used the right Stuff silicone and it’s lasted a couple of years so far 😮, dang old tight farmer Lololo 😊

@IndRepair 11 ай бұрын

Haha it sure is amazing how they have such pricey equipment but don't want to spend a dime on maintenance isn't it?

@philliphall5198 Ай бұрын

@@IndRepairfarmers are the strangest people, sometimes they don’t make sense 😢😢😢 I ask them now if they want it fixed or a estimate I don’t waste my time doing estimates so make up your mind!!!!!!😊

@IndRepair Ай бұрын

@@philliphall5198 Lol definitely! We always ask people if they want one and do free estimates. Most just want it done quickly and will say go ahead and do it. We call if something out of the ordinary, so they are not shocked with a large bill

@dondon98 10 ай бұрын

Ty for this video... I have this Tractor and its been BEST mower ive ever owned to mow 2 acres and it has 716 hours so this thing has lasted at least 5 seasons...

@IndRepair 10 ай бұрын

Glad to hear!! Thanks for watching!

@dondon98 10 ай бұрын

@@IndRepair it was running but the red boot burnt onto the positive solenoid terminal and nut seized onto it and when I went to take it off it probably killed the solenoid by damaging the terminal but I didn't have that bolt that held solenoid to the frame and you need that right? To ground it?

@dondon98 10 ай бұрын

@@IndRepair do you know what the part # is on that solenoid

@patricksignorelli65 3 ай бұрын

Thanks this is a great fix. I did have to file the intake for the choke, and it worked fine. This will definitely save you money!

@IndRepair 3 ай бұрын

Glad to help! Thanks for watching!

@georgiabandit1321 7 ай бұрын

Thanks for showing this video it was very helpful on mine.👍

@IndRepair 7 ай бұрын

Glad to help! Thanks for watching!

@bradbartlett1701 11 ай бұрын

Great video, thanks. I had the same problem with throttle linkage hitting manifold. Now I know what to do about it. Just wanted to throw this in. A 4mm socket fits those 4 bolts that hold carb together, fits like a glove.

@IndRepair 11 ай бұрын

Glad to help! Good info for everyone. Thank you!

@philliphall5198 Ай бұрын

Years ago I ran into this problem and I grinded it, but was thinking what the hell is wrong, they could at least put a warning label about it and what to do with new carb ….

@pronderk207 Ай бұрын

That was awesome!!! Thank you!!!

@IndRepair Ай бұрын

Thanks for watching

@IndRepair Ай бұрын

Appreciate that

@rotwiler7674 Ай бұрын

I replaced a carb on my craftsman yt4500 26 hp briggs. Original carb was surging bad. So decided to get new carb, took me forever after installing carb to get the auto choke linkage to work at all or even able to start mower. Now I have to give a shot of starting fluid, starts up then rest of time will start fine when mowing. I am afraid to remove carb again since took me a long time after installing to get it to run and I have 1.5 acres to mow weekly.

@IndRepair Ай бұрын

Hmm definitely sounds like that choke still isn't closing like it should

@philliphall5198 Ай бұрын

I just turned my goats and sheep on it 😊

@IndRepair Ай бұрын

@@philliphall5198 Lol, farmer once told me goats are horrible lawn mowers. He said they prefer the weeds, so while they do eat a lot, they usually leave the grass. I was shocked

@Trapper____1969 Ай бұрын

Put black rtv at the warped manifold will probably fix surging

@IndRepair Ай бұрын

This can definitely help seal it up!

@philliphall5198 Ай бұрын

It’s a good idea to add a tad of silicone just to be sure it seals properly 😊

@IndRepair Ай бұрын

@@philliphall5198 Does help, especially if it is warped

@rickasisco 2 ай бұрын

4mm socket works perfectly instead of an e-socket

@IndRepair 2 ай бұрын

Great tip!

@philliphall5198 8 сағат бұрын

Thanks will try it 😊

@monkeywentbananas Жыл бұрын

Just rebuilt the Nikki carburetor on my 26hp Briggs Intek only to find out that I had a massive air leak from a warped plastic intake manifold! Had to buy a new manifold to fix the problem!

@IndRepair Жыл бұрын

Yeah, they warp pretty badly sometimes at the intake, especially when ran hot. Thanks for watching!

@joleaiperlis5347 7 ай бұрын

Was it causing it to surge up and down really bad?? My B&S 26 HP is surging really bad. Already cleaned carb, adjusted governor to no avail. My manifold has the rubber orings on either side that seal against heads but I still put intake gaskets. I did notice there seems to be some gasoline leaking down the manifold where the gaskets are . Upon futher inpsection, I noticed none of the intake manifold make contact with the heads( sit flush). There is a small gap. Should I remove the gasket and just buy new rubber O-rings? The ones on there are smashed in, which probably will not make a good seal even after removing the manifold gaskets I installed. Gonna buy the new Orings and replace without the gaskets and see if it seals correctly. If not i might need to get a new intake manifold unit Does anyone out there know why both the oring and the gaskets show up in the parts diagram??? Any imput is highly appreciated. TIA

@markeasterwood1187 4 ай бұрын

Would you also need to spray the carb cleaner from underneath to check for air leaks below? The way the intake is attached to the carb I would think so

@jaytodd5809 2 ай бұрын

Clear pliable epoxy on the over the seams takes care of this issue

@philliphall5198 Жыл бұрын

First time I ran into the linkage hitting I was surprised, I grind it off a tad and it works What is the intake rubber seal number?? I’ve been putting silicone on them and should put new ones on

@IndRepair Жыл бұрын

692138 is the intake gasket number

@philliphall5198 Жыл бұрын

Thank You

@geehampton9363 18 күн бұрын

I need help. My mower last year had complete tune up new carb, belt whole9. Was running great till the other day got ready to mow white smoke billowing out the front engaged the blades and kept cutting off. Rewind in my mind the last time I mowed id notice the garage with a strong smell of gas. Examine the mower after watching you tube videos gas was mixed with oil I drained the contaminated gas replaced the carb since there seemed to be oil leaking from sealinoid area, it cranks at full blast rpm still white smoke. Any ideas?

@IndRepair 17 күн бұрын

I would double check that the is not an air leak between the engine/intake or intake/carburetor. Get the high rev issue figured out before addressing the smoking

@cmose42 29 күн бұрын

My throttle won't go back to the idle position with the new carburetor. Like you mentioned in the video, I had to grind down the intake a bit for the throttle linkage to move freely. But when I reconnect the linkage, it is still at full throttle all the time. Wondering if I need a longer linkage arm with the new carb or if I maybe bumped one of the springs out of position when putting it back together. Any suggestions?

@IndRepair 28 күн бұрын

Linkage will not need changed, does the throttle move freely if you move it and the linkage up/down? If not one of the gaskets or the metal plate could be put on wrong

@cmose42 28 күн бұрын

@@IndRepairYes, it does move freely. Metal plate is facing out away from carb like you had shown in the video. When I install and connect linkage, I'm able to push it back to idle/low throttle by hand but there's tension from the springs so it doesn't stay on its own.

@IndRepair 24 күн бұрын

And it is not resting against the low screw right?

@realliveboss5381 Ай бұрын

The mystery continues 🤔

@IndRepair Ай бұрын

If you have a carb that has been replaced and same issue I take tube is likely issue. They warp pretty easily

@buffalobluecheese 5 ай бұрын

Another well-done, nicely described video with no fluff. Just curious if was your mower, no labor, rebuild or aftermarket carb? I personally have had 2 aftermarkets bad out of the box, while rebuilding is a pain gotten good results including a Nikki 4 screw to actually work great again. Just curious, thanks....

@IndRepair 5 ай бұрын

I appreciate that! I always inspect whatever I get, sometimes the o-rings are not seating well. I would use an aftermarket with no hesitation. What was wrong with the aftermarket ones out of the box?

@buffalobluecheese 5 ай бұрын

@@IndRepair exactly what happened in this video, surging. Both were on snowblowers, one I corrected by doing the enlargement of the low idle jet & that solved it. Other one tried low idle, main jet, nothing solved surging with that carb. Ordered 2nd one & worked fine.

@IndRepair 5 ай бұрын

@@buffalobluecheese I see them work many times but always inspect carburetor bowl and jet sizes before installing. I was not aware the OEM carburetor of this has two different jet sizes but they do run well

@buffalobluecheese 5 ай бұрын

@IndRepair The D shaped screw that stops the idle from swinging, low idle jet is under that. I count how many turns in, then back all the way out, pop low idle jet out & many times that's a gummed up ethanol spot. Also can be slightly enlarged by couple thousandths with a micro drill bit to reduce surging.

@IndRepair 5 ай бұрын

@@buffalobluecheese They definitely get gummed up easily!

@TheCaperfish Жыл бұрын

you must try Mopar penetrating fluid for cleaning carbs , its life changing , carb cleaner is weak junk , soak jets etc.....in a cap full enough to cover em , spray it into carb everywhere , spay it Ito float bowl and let it sit for a while or overnight , clean everything out with brake cleaner and reassemble , stuff will blow yer mind , it will remove all gunk and varnish leaving jets etc... looking bran new do a lot of carbs and don't use carb cleaner anymore ,ultrasonic cleaners don't even beat it

@IndRepair Жыл бұрын

I will give it a try! We use ultrasonic cleaner for soing carbs, which works pretty well most times. Thanks for the tip!

@user-yz2xw9ot2e 9 ай бұрын

So what did you find as the problem with the B/S V twin riding mower? Mind is having the same problem/

@IndRepair 9 ай бұрын

There was still some fuel in the line apparently just ran for 2 or 3 more minutes and cleared right up. Why it is important to use good fuel it only takes a small amount to cause issues. The intake manifolds need replaced along with the carb 50% or more of the time I find

@philliphall5198 Ай бұрын

The plastic intake manifold should all be recalled, simple cheap wrapping junk I use silicone on every one of them and let it set up overnight 😊

@user-ph8ym8sh2n 8 ай бұрын

When I put my carb back on, the pin that controls the choke kept it in the open position. When I manually hold the choke wide open with my hand it runs fine, but when I release the the lever, it springs back into place and shuts off. I don't know if choke is in the resting position or when I turn it up (or counterclockwise). Any advice?

@IndRepair 8 ай бұрын

It sounds like you may have a different choke set up than what is in the video. See if your original carburetor choke springs back or just stays in either position. If it does sometimes you can switch out the choke body, if not it will need addressed properly.

@user-ph8ym8sh2n 8 ай бұрын

Thanks for the information.@@IndRepair

@IndRepair 5 ай бұрын

Were you able to get it back into good working order?

@4wheelingfun04 8 ай бұрын

What do you use to pump the fuel out?

@IndRepair 8 ай бұрын

Normally a 12v in line fuel pump works best but it depends on the situation

@jaytodd5809 2 ай бұрын

If you bend the bracket that the gov spring is attached to it will get you a good non surging idle..gotta find the sweet spot

@IndRepair 2 ай бұрын

Right on

@mattoldmixon 11 ай бұрын

I just replaced my carburetor because I was having problems starting it without starter fluid. However, it didn’t solve the problem. My intake manifold is in fact curved the exact way yours is in this video, leading to a bad seal with the carb. Could this be the problem?

@IndRepair 11 ай бұрын

Definitely a likely cause!

@PageMarker1 8 ай бұрын

Same problem here, those e-Torxs can't seal the carb very tight, I've reversed them and see if that will hold with the 7/16" nuts against the flange of the e-torx on the other end.

@joleaiperlis5347 7 ай бұрын

You put in bolt from back and placed a nut on the plastic side of manifold???

@IndRepair 7 ай бұрын

Not sure what you are asking

@joleaiperlis5347 7 ай бұрын

DID YOU FIGURED OUT WHAT WAS CAUSING THE SURGING?? IM HAVING SIMILAR ISSUES WITH MINE. WHAT PLUG ARE YOU REFERRING TO???? TIA

@IndRepair 7 ай бұрын

The carburetor and bad fuel was the issue. I should have let it run another few it cleared right up. Seems I may have missed a little bad fuel in the line by the pump only thing I can figure.

@gman1003 23 күн бұрын

They just had to do away with the screw off carb bowl didn't they?

@IndRepair 23 күн бұрын

Yeah, they love to change it up

@4wheelingfun04 8 ай бұрын

Where did you get your lift from?

@IndRepair 8 ай бұрын

The lift the mower is on is a Handy S.A.M 1200 you can see more about it at kzfaq.info/get/bejne/gM5iZcmlsr6vg2Q.htmlsi=7cUjfKeTmyZvk2Sk The smaller lift I am working off in the video is a Harbor Freight cheapo but they work great!

@DDBTWPRODUCTIONS Жыл бұрын

Could you provide the link to where you purchased the carb

@IndRepair Жыл бұрын

We get them from a distributor that does not sell to individuals. There is one at amzn.to/3QZCmTG that fits this tractor

@michaeldeangelo5599 8 ай бұрын

Thank you for the link!@@IndRepair . Where would I purchase a new manifold. Mine also has a bend where it attaches to the the Carb. Odd.

@capthwdy08 Ай бұрын

i have the same mower but with out the separate chock will this work? sear's parts say's i need BS-796227 and the link you gave has that part # listed

@IndRepair Ай бұрын

If your motor has a separate choke you will need a different carburetor, this one will not work even though it looks the same. This carburetor is meant for units with a choke/throttle cable in one (choke-a-matic). If you give me a model type and code I can find part number for you

@capthwdy08 Ай бұрын

@@IndRepair yes mine has were you put it up all the way to choke it then you put it down were the rabbit is...

@IndRepair Ай бұрын

If yours chokes when all the way up instead of having a choke you pull out then the carburetor in the description is what you need

@capthwdy08 Ай бұрын

@@IndRepair ok great yes mine does that. it would only stay running if i spayed carb cleaner in the air box so i think i need a new carb? or do you think i can get away with just cleaning it?

@shedder1104 3 ай бұрын

Is it possible to drain that carb for winter storage? I have yard machines zero turn and don't see a drain plug on it. Thx

@IndRepair 3 ай бұрын

The only way to drain completely is to remove the solenoid from the carburetor to drain

@philliphall5198 Ай бұрын

Best to remove the solenoid but hold bowl in place not to disturb the bowl seal 😊

@IndRepair Ай бұрын

Bowl seal on this one is held on with the other two screws

@philliphall5198 8 сағат бұрын

I was thinking walbro

@IndRepair 7 сағат бұрын

Definitely hold it in place with the Walbro, those pesky bowl seals can be a pain

@dondon98 10 ай бұрын

Mine wont start now and I think the solenoid is fried so ill start there. I replace the plugs to the Briggs OHV spark plug replacements. Then I changed the oil and filter.. to a FRAM 3614 oil filter and briggs oil.. and the tractor died on me but when I would engage blades the engine lugged.... So thats indicative of a bad or starting to seize and fail electric PTO clutch that engages the pulley wheel that runs the belt to the deck and runs the blades..

@IndRepair 10 ай бұрын

The clutch bearing is spinning when the blades are not engaged also. Have you verified both cylinders are firing?

@dondon98 10 ай бұрын

@@IndRepair you are right... But what would cause 1 cylinder to be down? I changed plugs.. the wire to one of the cylinders? That clips to plug? Or plug wire is what I'm trying to describe? Why would 1 cylinder go down when you engage the blades? Or could it be that safety stuff causing that?

@dondon98 10 ай бұрын

What about a PTO clutch that lugs the motor after you turn blades on??

@IndRepair 10 ай бұрын

Normally a power issue

@kushbythe2589 29 күн бұрын

Ever figure it out? I'm having the same problem currently.

@dondon98 28 күн бұрын

@@kushbythe2589 I took it to somebody and they said something was lodged under one of the pulleys. Can you jack the mower up and see if all the spindles turn freely? I hit my water hose and the spraying end was stuck under it locked up probably. Cause if those don't spin free that belt will slip off and you have to take the cover off the outside spindle because all the other wheels have those clips to hold the belt on. You can slip the belt on by putting part of it on that outside spindle and turn it left and it'll slip on

@dondon98 28 күн бұрын

@@kushbythe2589 it's gonna lug the mower down if everything isn't turning freely

@kushbythe2589 28 күн бұрын

@@dondon98 thanks for your help, I'll check it out. Did yours have bad vibrations when the Pto was engaged as well ?

@joeykellett407 5 ай бұрын

so my throttle on mine won't close and it doesn't run the best, like the throttle wont return to idle

@IndRepair 5 ай бұрын

I would check the plastic that we trim down and make sure your throttle is free to move from slow to fast without restrictions. Thanks for watching!

@byates59 7 ай бұрын

Does this aftermarket carb have two different size jets in the fuel transfer tube like the Nikki carburetors?

@IndRepair 7 ай бұрын

There are two jets in the fuel transfer tube yes

@byates59 7 ай бұрын

@@IndRepair Yes, but are the same size? The Nikki carb has 2 jets that are a different size!

@IndRepair 5 ай бұрын

Very interesting! I have been working on these carburetors for many years and never noticed this!! Good input and catch (the new carburetor jets are the same size, not two different sizes). I wonder what the reason could possibly be for this?

@richardnoggin1904 4 ай бұрын

@@IndRepair I believe one of the cylinders does not cool as effectively as the other, so that one receives a little richer mix.

@philliphall5198 Ай бұрын

@@richardnoggin1904that makes sense

@thefraudsniffer5485 2 ай бұрын

Did plug fix it?

@IndRepair 2 ай бұрын

I ended up having to replace the intake manifold, it started running great then ran like crap again the next morning

@thefraudsniffer5485 2 ай бұрын

@@IndRepair Ah, well glad you got er going, got a similar mower yt3000 gotta replace carb on it, thanks for a very informative video homie.

@IndRepair 2 ай бұрын

Thanks for watching

@dondon98 10 ай бұрын

I think I may need to change the fuel filter and get another fuel pump as well

@IndRepair 10 ай бұрын

If you have good flow you really should have to but doesn't hurt

@dondon98 10 ай бұрын

@@IndRepair I'll change the fuel filter later. But the Briggs one I bought isn't as big as the one on it now.

@gregb671 Жыл бұрын

I sure would like to know what the issue was?

@IndRepair Жыл бұрын

Didn't follow my own advice and clear out the fuel line completely still had water in it

@IndRepair Жыл бұрын

Thanks for watching!

@philliphall5198 Жыл бұрын

Carb was probably really dirty and needs cleaning and jets cleaned out That’s what it is 99% of the time

@IndRepair Жыл бұрын

Yes sir! On these Nikki carbs the gaskets are always needing replaced too

@flierbill 11 ай бұрын

Man, at 12:42, I lost that linkage . I guess I can make one,

@IndRepair 11 ай бұрын

They can be ordered since they are available but that stinks you lost it! Thanks for watching!

@murraymacneill2545 2 ай бұрын

You might want to consider adjusting your camera with it off.

@IndRepair 2 ай бұрын

Definitely so. Thank you

@bearbait2221 17 күн бұрын

I can't find 1 vid of someone repairing a carb any more just parts changers. I miss old guys they would fix the old part and show whats wrong and how to fix it. IE real mechanics.

@IndRepair 17 күн бұрын

Lol you obviously haven't seen any of our videos other than this one

@nicksnarski5973 2 ай бұрын

Another example of off shore knock off replacement not working right.

@IndRepair 2 ай бұрын

I get them from Briggs but who knows where they get them

@davidkettell1073 7 ай бұрын

Every single one of those cheap plastic manifolds bows like that after about a season. i just use permatex. Why buy a new manifold when it will just do the same thing ? They cost $100 and they are not worth $10.

@IndRepair 7 ай бұрын

I usually stay away from Permatex except when it has to be used. In this case I would definitelyagree, permatex would fix the issue pretty easily. Good tip! Thanks for watching!

@Letsdothis21 Жыл бұрын

No Aftermarket Carbs, Please. Always go with OEM. Always...

@IndRepair Жыл бұрын

Watch the video we have on carburetors and tell me that same thing. I used to say the same thing but aftermarket carbs have come a long way in the last five years. kzfaq.info/get/bejne/hqdmesmGyK2xe30.html shows you the quality of all of these. Many times carburetors are made by exactly the same companies with just different packaging. OEM's do not manufacturer carburetors (with the exception of Stihl)

@philliphall5198 11 ай бұрын

Seems in the last year the oem carbs are not any better than a China Amazon or eBay one

@jameslund221 27 күн бұрын

Wtf, nobody is saying anything, it’s not running any better than it was😢

@IndRepair 27 күн бұрын

Lol

@elmore119 Күн бұрын

Or cleaning it before you tore into it

@IndRepair Күн бұрын

Did we show the process? We clean everything up well after it is finished with a pressure washer. No risk of contamination with this job unless you don't pay any attention to what your doing