How to adjust carburetor on riding lawn mower 

Very clear instruction. You would be amazed on how many videos about Briggs Stratton carb adjustments leave out the directions on which direction to turn the adjustments. Thank you

Great video! Just what I needed...Quick, to the point, good information! Only took me about 40 minutes with a brand new carb. Runs better than the day I got the mower.

Finally, found one that talks about adjusting and actually shows it

Thanks a lot duder, my craftsman ride and mulch was losing power under load like when I engaged the blades and you're how to here got her running tip top. Appreciate ya.

Great information , I hope this is what I need . I have an old tiller , B& S engine , wants to backfire through the carb and won't stay running . It will start but won't run long . I think it's still a good machine , made back in the 1960" s . Thank you for the tip 😊

I ordered a new carburetor, and it came only with one screw. So I sent it back and let them know that I wanted one with two screws. So they sent me one with the two screws, and it sure paid off. Runs great. The ones with one screw Have a built in adjustment for gas adjustment. That's from the note to me from the sales department.

Thank you. I missed small engine class that day. out riding my dirt bike.

I’ve been searching for how do this for soooo long thx so much!! Super simple and straight to the point!!! Keep it up bro 😎

Great commentary, thank you for explaining the basics how I can understand it👍🏻

Wouldn't one rather adjust the fuel mixture screw with the air cleaner on? The air cleaner does adjust the incoming air. Good video!

Thank you very much for your video it was helpful

Thanks everyone for using my video!

this helped so much, my mower is over reving like crazy, and i wonder if that's the problem. i will try that tomorrow. thanks :D

Would really like to see more detail on the mixture screw adjustment, Do you screw it all the way in and then back it out some turns initially or some other procedure? Thanks for the video and that is my only confusion.

Thanks was looking for the info.

Question :what is the purpose of the long tiny wire spring that is joined with the linkage from governor to carburetor.

Racing is great and everything, but I'm just trying to cut my grass at a moderate pace 😂

great explanation my vaguard backfires in my face so i knew it was too rich XD

When spring rolls around I will be continuing these videos

Thanks bro ur video helped me the most thank you

Hey man thanks for the video, I have a question about the R1000 lawnmower. What is does is bog down when I put the blade down. I have a new carberator, plug and filter but it's still doing this. What could be causing this?

My ride mower was crancking but not running so I replaced the carburator and spark plug (it was very dirty). It now kicks on if i spray a little bit of starter fluid into the carburator and it kicks on. I followed your advise in the video and was able to ajust the 2 screws but the moment i change the throttle from idle to high throttle it stalls back out. Any advice? Do i need to keep adjusting the screws till it stops stalling in the high throttle?

Thanks for the video, this was helpful. One question, is the idle mixture screw backwards on some carbs? My carb looks very similar to yours, but when tightening the idle mix screw it seems that it restricts the fuel instead of adding more. In your vid I believe it said tightening would increase fuel?

i did not know what i was doing thank you

My fuel air screw has a plastic block on on that prevents the screw from moving more than a few degrees. Basically my mower's ldle is way too high after I cleaned the carb. It's not the ldle screw I've tried that... any ideas?

I have a problem of wich the engine won't run without choke, I'm not too good with tuning carburetors, but the engine sort of suffocated after a bit of running, i always stay full throttle and full choke but it still suffocates, yet I dont know if its too much fuel or not enough, but I noticed that sometimes it backfires when I turn it off, what does it mean what do I have to do exactly??

How to adjust the blade speed?

Im just here becuase mine is surging and its shooting out flames, and the exhaust pipe start to finish is glowing brighter then the sun

Excellent video!!

Any input on the adjustment for an old 76 c160 wheel horse? Carburetor is original. Ran fine the other day, accidentally ran it out of gas and now it doesn't even want to start. The tractor has a new battery, starter and new fuel pump. Just curious if you might have some input this thing is hard to find carb info on, thanks!

In the video you say turn the mixture screw out to lean it out and turn it in to enrich the mixture. Is this not the opposite of how it works? Or is that just how this particular carb works?

My riding mower with a B&S engine has a KIPA carb; there doesn't appear to be a mixture screw. There is a screw installed at an angle with a weird shaped "head" and inside the carb body there appears to be a corresponding teeny, tiny hole. Could that be a mixture screw? Also, the carb came with a small plastic piece that looks like it MIGHT fit over the latter screw. Suggestions or advice, please.

I just got a simplicity 7012. It was running a bit like a dog so I adjusted the carb thinking I’m doing something. I had it running a lot better ,but sometimes I like fiddling around with things I shouldn’t mess with. Now I can’t get it to even start. I don’t know where to even begin with troubleshooting or readjusting the carb in order to get it running again. Yeah I know that was stupid on my part. I guess if anyone can give me a few tips on getting it running again I would highly appreciate it. And I promise not to fiddle with it again. Thanks.

My low idle is rich but high idle is good. Only 1 jet so its really hard to tune and is a pain in my butt

I just installed an aftermarket carb on my 18.5 Briggs Intek and need to set my gas air mixture. How do I do that? The title of your video is "how to adjust carburetor on riding lawn mower" I didn't expect to hear "not going to mess with my gas fuel mixture cuz it's set perfectly" ??????????

I have all that what you showed but when I use the tro Throttle cable instinit stays at 1 speed. I replaced a throttle cable. But now it just stays at 1 speed. Should I should I cut? The toronto cable for smaller due to the fact that it was a long one , and that's all they had

Quick question, Due back both screws all the way out first. Than do adjustments our screw all the way in than adjust screws outwards? I can get idle to work , My issue is the air & fuel screw to adjust. It is a new Hooia carburetor, I get back firing and missing. Thank You

My crafstman lt2000 carberator doesn't have a fuel screw it came with a plastic adjuster piece that should fit onto it but it doesn't. How do I use this kin to adjust it. I'm a woman just put the carberator on sorry if dumb q. It does have a speed screw.

I have just installed a new carburetor in my craftsman lawn tractor and I went to the screw that you showed on top turned it to the left. No difference is still races like hell. I’m only giving it a half and turn out a time it is supposed to be factory set, any suggestions? Thanks.

If you still reply, I have a john deere 214 and there’s 3 screws One is idle speed, another is idle mixture and the last is high speed mixture

I'm pretty sure air fuel mixture screw in is less and out is more.

The carburetor that I have on my murray 115-38 mower only have one adjustment screw (speed screw). So how you adjust the fuel/ air mixer on this particular carburetor?

Thanks that helped me out big time thank u

I know this video is old but when I tried to adjust my idle screw on my carburetor on my riding lawnmower, it has no effect to the motor at all. Do you know what caused that to happend? We put a new carburetor in it

Can you adjust it without running. Have safety feature on seat wont run if not sitting in it. Yes its a john deer lol

Hey what do you have to adjust if the motor starts to choke out for about 29 seconds until it dies completely? It'll keep doing that if u keep starting it but if u wait till later or the next day I can do the other half the yard lol

do you got any tips on adjusting the carb on a older john deere 111? its got a air to fuel and idle screw but its also got a needle on the bottom of the carb that has to be adjusted

How do you boost the power? I put a new carb on and idles good but when its going uphill or blades engage the rpm drops.

I have a 1999 poulan riding tractor the idle is like really low even on full throttle? Any idea

My mower wants to run a full throttle miles the choke is in place how do I give this

My lawnmower only runs with the choke on, how to I get so it doesn’t run on choke

Thanks For Watching Hope This Helps

My tractor is idle is very low and it floods out when i give it more gas.

Hey, can you tell how much this engine cc..? This is two stroke or four stroke engine

I recently moved from sea level to the mountains. My machine is running HORRIBLE and SMOKING A TON. Should I back off the mixture screw to get less fuel at this altitude?

So I have the same carburetor and it runs great when the choke is fully closed. As soon as I back the throttle off choke to the "rabbit," it starts to cut off. Any ideas?

I have a T1200 Craftsman and it don't have the two screws yours haven't

I have riding mower mtd and just sounds like it's idling high sounds loud. Will this help? Thanks in advance.

Helpful but showing how to adjust the air mixture is what most of us want to see. Idle speed set is self explanatory, too basic

I replaced the mixture screw . How many turns back from tight to start adjustments? It had the factory set one originally but I swapped it with a new from the rebuild kit.

My racing mower smokes like a pig because the carbs way out

#whats the gold flat head screw in the middle I know it's a jet but is it supposed to be tight is my question thank you

What is the little screw between the idle and air mix. What does it do?

Thank you 🙏

my carb only has one screw to turn

What is the other screw and what does it do

Then why do the video if you don't want to show anyone what happens

What is the gold screw for

is it safe to do this with the mower on?

you saw me on a what?

Idk how to adjust the fuel