Vintage Kohler K91 engine restoration - Part 1 and 2 -
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- Опубликовано: 5 сен 2024
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/ @ajrestoration This is parts 1 and 2 of the Kohler K91 combined for those of you who are new to this little series that did not watch part 1 or 2. If you have already seen parts 1 and 2, you can give this one a skip. Anyways enjoy the special.
I dug this beauty out of a bin at my local drugstore(Metal recycling yard)
She's getting some love.
This is part one of two videos. I had to split the videos as time caught up with me. In the next video, I will finish the powder-coating and tackle the fueling system and finish up the restoration.
Link for becoming a channel member. (less than 2 dollars)
/ @ajrestoration
I hope you enjoy the video.
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Some info on the little motor.
The Kohler K91 is a 145 cc (8.86 cu·in) single-cylinder air-cooled four-stroke internal combustion gasoline engine from K-series, manufactured by Kohler Co.
The Kohler K91 engine has an L-head (side valve) design and a horizontal PTO shaft. This engine can be equipped with Kohler or Walbro carburetor and magneto, battery, or breakerless ignition systems. The K91 engine used paper air cleaner (oiled foam pre-cleaner was available as an option).
The cylinder bore is 60.33 mm (2.38 in) and the piston stroke is 50.80 mm (2 in). This engine produced 4.1 PS (3.0 kW; 4.0 HP) at 4,000 rpm of horsepower.
Your birds really sound soooo loving and happy
They are!
I wouldn't call myself an "engine" person, but I have really enjoyed this restoration. You are meticulous - and the bare foot technique is critical!
It would not work without the barefeet hahahaha
@@AJRestoration q
up.
@@AJRestorationさふじy
I agree 100% about not painting the carb.
I just love the birds in the background. Excellent video as always！
You do a very nice restoration job. If I may offer a suggestion
Although it costs more , I like to plate certain parts mainly hardware. Paint on carburetors can cause problems. Of course it adds outside cost. I get it. I restore anything from Clinton, Wisconsin, Kohler k91- K90.
They are Americana......
Good luck.
We have a old kohler engine on a tree shaker but don't know the model. Think it needs a new head gasket
Good morning from Southeast South Dakota
Morning!
Wish you had some of that footage. Absolutely love the sounds and f a good hard thunderstorm
Very nice…. Love the restoration
Very good brother. You are the best. I'm from Brazil.
Fine job
Very nice. I have many small engines, but no Kohlers. I didn't know Kohler such a small engine. All the ones I have seen were quite large. Once again great job.
Thank you very much! This little Kohler is now my favourite.
I used to do this for a living, I worked at a small engine repair shop and all the antiques would be sent my way and I would get them screaming. My favorite is the tecumsah long stroke cuz even though the horsepower ratings were low the torque was very high and equal to modern day twin cylinders
I would love to have one of those Tecumseh engines. Slowly growing my little engine collection.
Good restore👍
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Looks great, I never had a chance to work on a Kohler but always wanted to. I like your detail work, I'm the same way when rebuilding. I agree with not painting the carburetor but I might polish it.
I love Kohler engine as the Wisconsin they were hard working engines and lasted long time if maintained I don't know why they paint the carb I cleaned it like you and spray clear spray know I polished my float I know they going to get tarnished but I painted mine with 2coats of clear nail polish but if you run Sea Foam in the fuel system cleans I used battership gray
I was a tecumsah guy, the long stroke engines were amazing and I had one that was fifty years old and still ran when I put it on a wheel horse and sold it to a guy that wanted a small tractor that could pull around trailers at a campsite
@@hellhound1389 Tecumseh we're a great engine I hated to see them go
@@brucebonkowski4526 well that's what happens when you team up with sears and craftsman, I haven't bought craftsman tools since harbor freight opened in our area. Also working at a small engine repair shop for years I learned just how crappy craftsman mowers became. I had a 51 sears and roebuck (became craftsman) and it could pull a stump with minimum effort despite its small size but modern craftsmans blow the tranny pulling a leaf vac
@@hellhound1389 yes but Briggs went to everyone from.hardware to Kmart and other but we had lawnmower I running in my business snapper aluminum deck and jacobsen 20 commercial rotary I can strip them down strip them and repaint the push mowers still are the same but mine don't rust I bought new one and with being careful and scrape multiple times the decks rusted in 3yrs and Briggs quatrum were junk I have a Briggs twin cylinder on a walk behind we are going to pull it and swap it with a older brand new engine it having vapor lock won't start after running it hard to start they made the mower like the car high prize but quality 2out of 10
@@brucebonkowski4526 just cuz Briggs was highly available doesn't mean it was better, I would come across a lot of Briggs that would bust the diaphragm on the carb and it wouldn't take too long and it would be back in the shop for the same problem or the block would crack at the valves especially the exhaust side and you'd have to replace the engine. Give me good old cast iron block tecumseh, the block would hold up to anything
I think that valve is a priming valve since it opens on the top
It is, I used it to prime the fuel yesterday.
@@AJRestoration Keep up the good work my friend
I meant the engine I used battership gray or rusteloum hammered black
500k subs fast
I hope so hahaha
Raining outside makes me feeling like I'm living in a cottage between mountains..that is what I had lived fifty years ago.
I love the rain!
Ngày xưa nhà mình cũng có một con máy này cũng là đồ của mỹ đế là ok
I won't skip. I love to see it again now i dont have to smell it😜
Máy còn mới mà tháo ra là phá máy đó. Trình độ nhận diện máy kém quá. Chỉ cần xúc bxc và đổ nhớt vào thôi.
What kind of critter is making that noise in the background?
KOHLER 4 usa huyền thoại
👍👍👍
Heat the aluminum pulley and remove it with a puller. Spray the wd40 before and after.
COLE NÀY LÀ LOẠI ĐÔ CÔ NE. 20 NĂM TRƯỚC K CÓ TIEN MUA NÔI ĐÓ
Máy này rất thông dụng cho nhà nông VN mình, chạy ghe máy đuôi tôm bơm nước.vv. Kohler Clinton và BS là những máy trước 1975. Giờ đây có nhiều máy Honda gọn và dể xữ dụng hơn nhiều.
ครับท่าน อะไร่ประเทศให้ส่งมาขายบา้งครับทา่น ไทยสภาพเครื่องยังดีขาดอะไล่ครับทา่น
Excellen5 bro
Sử dụng rất OK
Mình cần mua phụ tùng có không bạn mình ở Việt Nam
Mình rất đam mê máy kole4
Нужно было претереть клапана, заменить поршневые кольца, заменить возд. фильтр, а так это называется перекупский вариант...
What oil does this engine use? I have one, but I don't know what oil it uses
I always use SAE 10W-30 but that all depends on your climate and the season you will use the engine in.
Super
Te falto enseñar como se ponen las válvulas de admisión y escape ahí saltaste, yo soy mecánico de planta eléctrica
very.nice.i,did,the,same.to.my.k181.
U are very careful on your work probably U may Become A BEST MACHANIC .GOoD LUCK.
De cuantos caballos es ese motor
Wow
Nhiêu tiền vậy bạn 1cai
better not use paint, just leave like it is
👍👍👍👍🤩
You put back old main bearings,piston rings and gaskets🤦🤦🤦🤦
You should gave painted the original color
I don't think so, Its my engine I could make it pink if I felt like it. I have no attachment to the original color of any item.
It was green from the factory, why black now?
It was a funny blue, I could not match the blue, so I went custom. And I liked the black and red idea.
What bird was that sounding like a drunk cuckoo bird?
Kohler 4hp
Jesus christ! The birds are as annoying on your video as they are outside my bedroom window.
It's missing the tin for the head
У меня тоже такой есть. Видео У меня на канале.
Ok
Ok
Barefeet Necessary !...😂 Cave's Man instinct is calling..😁⚙️ This vid was like watching "Lord of the Rings", too damn long..😅👍
Can I send you my engine?
You can yes.
@@AJRestoration let’s work something out. How do I get a hold of you?
👍
Đẹp vậy
hello
hello
Cu le hai thằng đè ba thằng giật
Super like!!!🤝👏
Thank you 👍