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Kohler K-series Carb Adjustment
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- čas přidán 15. 05. 2021
- This video is about how I adjust the carburetors on the Kohler engines I've been working with lately. The ones I show here are on K181 engines, but these same carburetors were used on K141 and K161 engines also.
I can't believe I had to suffer for 50 videos of misinformation before finding your video. I'm so glad you made this video! Just subscribed! Thank you so much!
I was looking for the explanation just like this, thank you. Worked like a Charm on my 14hp tractor
Thank you ,Very detailed video on all adjustments ,Just what I needed to get my 7hp Kohler,Troy Bilt tiller running better ,A good cleaning and the right adjustments !Runs great
This was very informative. Thanks for the clear explanations and the examples!
I finally found an easy to follow guide! It makes so much sense. Just the video I've been looking for.
Great video, thank you for taking the time to make it and share. I have newer ones, 308-8, 312-8 , 264-6 but I recently picked up B-80.
I usually do this by sound and smell, my neighbors must think I'm insane when I'm getting off of my c120 with the blades on and the hydro engaged in a stopped position and adjusting the high-speed jet at full throttle waving the exhaust towards my nose.
Great video. Good job sir. All how to video's should be this informative.
Great info! I just found a K141T on an old compressor. I got it running but have to keep poking the choke, it's 4am and watched your vid to the end. I'm going to clean this thing up and save it.
Great video, Thank you so much for making it.
Thanks!
You helped me adjust my tractor,thank you
Explained wonderfully thanks for sharing your knowledge.
Great video really helped me out thank you
Thanks! Great video. Just put a new carb on my 12hp. Idles fine, but idle adjustment screw doesn't change the engine speed whatsoever. So, I just let it be.
Gr8 explanation , thankyou so much for posting : )
Well thank you for the information an awesome video
Thanks for the video. Good job!
Awesome video thanks Trying to get my 68 cub cadet running
Thank you for the great video's. I have several aftermarket carbs on my cadets and all of them the idle speed screw does nothing like yours at about 17 minutes in the video. Any thoughts on that. Thank you.
I've never tried to fix one like that. Fuel has to be getting into the venturi (on the other side of the throttle plate) somehow. 1st I'd have to verify the throttle plate is closing properly, if you can turn the idle speed screw down far enough for the engine to die that's probably ok. If the throttle plate closes correctly fuel can only get in there 2 ways. If there's a bowl venting problem maybe fuel is trickling out of the main jet. That's probably not likely. That means fuel is probably coming out of the idle hole on the inside of the closed throttle plate. The most likely thing to cause that is the idle mixture screw needle not sealing off properly when it feels like it's closed. That could be the needle tip of the screw, or the seat. So that's my guess from here, maybe I'll have to do some test that one of these days.
GREAT VIDEO THANK YOU
i have a 4hp kohler i just got i wan to rebuild the carb its a carter model N can. its exactly like the other one u show
I think my k181s might need a fuel pump and carburetor replacement one that's closest to the original carburetor I can use any gas pump but the tank is above the engine i still would try a pump on it though
What’s your thoughts on authentic kholer carburetor vs a generic carburetor? Authentic carburetor costs $300 and the generic carburetor costs $20. Do you think it worth it to pay so much for the authentic carburetor?
Hi, the generic carburetors I tried work pretty well. I had one that didn't respond to the adjustment screw the way it should, but it ran good so I used it anyway. I haven't bought an authentic one lately so I don't know about them. I like to rebuild the old carburetors as long as the shaft holes aren't wallered out.
Hey man I have one of your old tractors. The 875 you did the shifter video on. I’m not far from you.
Awesome video thanks!
Hello Army Veteran . I have a Kohler Magnum M8T 8HP engine on a Troy Bilt Tiller. There is no High speed needle on the carburetor. It has a low idle mixture and just an idle speed screw. It is a Walbro carb. It will not idle when I try to idle the carb . It is a 1991 Kohler engine. Thanks for your help.
Hi, that's a little newer than what I work on, but I might be able to help. If you have a strong spark and the timing is right, but the adjustment that they provide won't allow it to run properly, it's most likely dirt in a fuel passage in the carburetor. I'd try a thorough cleaning. If you know somebody with an ultrasonic cleaner they do a nice job on internal passages.
It is the real Carl from sling blade
That's a scary thought. Maybe adding lead to gasoline all those years has something to do with it!
It aint got no gas in it!
Thank you
I can turn idle screw out almost all the way before I notice it slowing down. Why is that? ( Carter model n on my 704)
When you turn the idle screw out, it should let more fuel out. The engine slows down when the mixture gets too rich (too much fuel in the air/fuel mixture). Here's a few reasons that might not be happening.
1. If the fuel passage from the bowl to the idle screw is partially clogged then fuel flow wouldn't increase as expected when you turn the screw out.
2. If the idle speed is too fast there's more air flow so it takes more fuel to make it rich enough to slow down. Just make sure the idle speed is low enough.
3. If the float level is off, both adjustment screws might not work right.
If the engine runs good except you can't find that point where it slows down, I'd turn it in until it slows down, back it out a little bit and leave it. Sometimes if the idle adjustment is too lean the engine stalls during quick acceleration. If that happens back the idle screw out slowly until it doesn't stall during acceleration.
@@PackratsFabrications thank you! Your series have been very helpful fixing the 704 I inherited.
Do you plan to make a video on the Walbro carburetors that came on some of these K-series engines?
It’s definitely a different animal.
No sorry, I don't work with those much. The ones I've had seem to work good when they're new, but I don't have rebuild kits on hand. The 2 adjustment screws should work about the same. I just don't have experience with them.
@@PackratsFabrications
The Walbro carbs don’t have two screws, only one.
Mine doesn't have a main needle on top.
I'm not familiar with that. I know some newer carburetors are not adjustable. If the one screw you have don't fix the problem, all you can do is take it apart and clean it.
Can u do one on a 212 12hp
What would the adjustments on a 12 hp Koehler be ??
The Kohler engine service manual covers all the K series single cylinder engines from 4hp to 16hp, but the carburetor section does not say anything about size. All of the adjustments and procedures I show on these smaller Kohlers should work on the larger ones, but I don't normally work on them so I didn't mention them. That includes K91(4hp), K141(6hp), K161(7hp), K181(8hp), K241(10hp), K301(12hp), K321(14hp), and K341(16hp).
I need to read the original books I have to mine
I try to run no more than the job allows. If not just drain the fuel into a gas can.
Do you have any starting points for k241?
The Kohler engine service manual covers all the K series engines from K91 thru K341 and it only has one adjustment procedure. So I think it's the same for all, 2 turns out for the main screw, and 1-1/4 turns out for the idle screw.
@@PackratsFabrications thank you, i have issue where it starts fine then dies before I can adjust mixture. So not sure if I have fuel delivery or spark issue
Turn the main screw out to 3 turns and try again. If that don't work, hook up a timing light and have a friend hold the trigger and watch the light. If the light's still flashing as it's dying then it's a fuel problem.
@@PackratsFabrications thank you I will give that a try, it does have new coil, condenser, carburetor and points.
The Chinese carburetorc for the Kohler Engine are JUNK !
I can't say I disagree, I was impressed with the first few that I bought, then bought a few more but they weren't as good. It appears there may be a few different import suppliers.
Also some of the imported carburetor rebuild kits I had gotten recently had needle seats that wouldn't thread in right.
Скажите пожалуйста для чего верхний жаклер нужен