I have 3 MS261's, one needed a jug and piston so I bought a Hyway cyl kit GX 261 online. I haven't attempted to rebuild it yet. I really want to do it myself, right now Im a sponge for knowledge John . I appreciate anything you share. I want it ROWDY so Im looking fwd to the next videos bro, Thank you!
Great video man. Anything on the 261. I live in Virginia and have 3 261s. All factory with muffler gut mod and regular carb models Cutting 90% hardwood clearing residential lots and smashed one with my excavator so need a crankcase and I'm building it back but figured I'd try some tricks and found you soon as I searched the trusty TH-cam and brother I gotta tell you, you know your shit. Eff the negative scallywags and keep these bad ass saw videos coming and your gonna be a legend when your done.
Love your work! It’s nice to see someone who actually does quality port work/machining rather then people who just grind on there cylinders and call it “ported”. Thank you for the info that you share!
That is really impressive dude, my 260 has a mild port job and squish band was machined I still run a 20" .325 . So your saws with a 25" and 3/8 is a monster. Awesome work.
Nice work. I started with an 031 and upgraded to a Stihl 045 Super with 87cc if I remember correctly. I carried that saw in the morning and a Jonsered in the afternoon. Always had two saws since there was never time to sharpen. To get hired you needed to show what you could do with the Husky 36” bar in the yard. If you survived about three days with that saw you got hired. We never made any modifications because you had to be sure the thing would run and keep running. Best Regards. I’m enjoying your videos.
That makes scenes how you did the skirts part of porting is airflow and that looks like it would really help out the bottom transfers similar to what I’ve seen guys do to the 372 thanks for showing us its appreciated bud keep it up
I did the same thing on my first 362 build with the skirt off the cylinder. 4 years ago. Its still going strong. I think it does help. That’s a strong 261 for sure
Thanks man... these style cylinders can deliver some good power... terrible for flow stock tho... I don't even know how they perform decent at all honesty
@@johnscustomsaws yes it seems they were trying to compromise weight and size possibly and made a narrow chassis by separating the lower transfers? Just doesn’t make sense for flow at all why they did it
Dang it, that's the saw I really need bro. I sucks you showed it to me and its unattainable with any amount of money, not that I could even afford what its worth. My process is falling with 044, limbing with 250, bucking with 044. I'm working in beetle kill spruce, 12 to 18". My old back needs a light in between Stihl saw, 1 saw does all with 20 inch light bar. Need that air filter for 250, stock sucks. Trapper scotty, Alaska
Experience is everything and talk is cheap... Cutting those cylinders like that is standard, you seem to really know what you are doing from what I see of your builds 👍👍👍👍
Well this is where one shithead ruined it for everyone... I used to send out stickers and never thought anything of it... until I got word that saws were being sold as "JCS ported" and the guy was getting MORE than retail... which I would think my sticker would devalue a saw... but apparently not lol... but now I dont send em out its pretty ridiculous...I have heard of other popular saw builders having the same issues... people will find a way to scam... obviously its up to the guy buying the saw to do his research but it still makes me look bad... need to get a different design so I have stickers specifically for ported saws...
@@johnscustomsaws man that’s a real shitter! I agree with you in having 2 different stickers, 1 that you put onto the saw after doing said port work etc, and another just for business TH-cam / Instagram page promotion etc that would be cool! Would love a sticker like that for my collection with me being in the UK, hopefully one day! Appreciate the reply dude 🤘🏼
Sure, it can be done. There are various spray products like silver nitrate, that can have a paint layer or tint. Even hydrographics applied over it. One example company doing it is Spectrachrome.
Amazing work, as always! Jacob's 261 sounds great in his videos, I just wish he used it more! I know you've mentioned you're not taking on any new work, especially a 261, but what would be a ballpark figure for a full port job on one? Also, that Paul Bunyan festival in Ohio is in October. will you be attending that?
Damn man that red looks clean on that second saw is that JCS Red? All my saws are JCS black now. My wife thinks I have a problem but I can stop dyeing saw plastics anytime I want. Lol Those 261 are beasts. Can't wait to see what's next.
Literally pro tips, cheers John 👍🏻 A quick question if you have time to answer it - when plugging the decomp on Stihls do you use any particular material or specific length bolt, or any adhesive like loctite/JB weld? I’ve found wildly varying info on forums from plausible to comical. You do this for a living so any of your zero bullshit info would be appreciated. Have a good day man. Al
I have never used anything on them.. I do use the actual decomp plugs tho.. they have a crush washer like a spark plug... ive literally NEVER had one leak or come loose so thats a new one to me man
Yes...more please. Got smokin deal on a 261M that's had 10 minutes run time and now my old carbed one is looking at me sayin, "now that the new guy is here, let's try some shit...what could go wrong?"💀
On the adjustable carb saws that they want as ridiculous as possible and have zero concern with fuel consumption yessir I get rid of anything in the way... they have a pretty small carb I even mill out the venturi
Ahh don't worry about the haters man. I don't think you should spend too much of your energy on them. We have a fever, and the only prescription is more chainsaw.🤘
Thanks for posting informative content John. Any chance you’ve got pictures of the 261 CM cylinders that you do? I’m porting my 261cm and I don’t want to go to crazy. Just make it stronger. Thanks for any feedback in advance.
Much respect man I would love to have u port my stihl ms200t 100% oem personly from me new bearings, seals and so on im no expert I fake it till I make it im just a tree guy from Connecticut if u are ever feeling foggy and wanna take on my little ol ms200t please let me know I would be honored to have work done from u 😊 Here is my name and company name im just a little guy L&M landscaping & tree removal have a good one man and truly enjoy all ur videos
I like to try something different every time until I find something I’m satisfied with. I have found that no two saws are created equal from the factory either. I have the 395s kinda where I like them.
Hey John thanks for all the info you share on your channel you definitely know your shit and not scared to try things I like that. I have questions have you ever tried modifying a 441 cylinder like you do with the 261's
I don't see what would be the issue with removing those "skirts" at the sides of the cylinder base besides having a larger crankcase volume, as far as i can remember most 2 stroke cylinders i have seen (with a few exceptions) only have one skirt at the intake side and one at the exhaust side and as i undertand they are meant to support the skirt of the piston when it is at BDC and avoid slapping, which i guess is the type of issue that would happen if they are completely removed, but the side skirts don't seem to have any major function
The piston slapping/support is what I hear is the "problem" with doing this... case volume definitely becomes a factor and the mtronic system has a hard time adjusting for it but I just give a few clicks to the "black screw" that we aren't supposed to touch and a different or modified butterfly valve and they will run... otherwise they hesitate bad under acceleration off idle
Hay John i know you mentioned you didnt want any more work but it would be awesome to have a 261 built by you i have one brand new in the box ready to go if you reconsider its non Mtronic thanks and keep up the good work
I would love to have you or Jack from hotsaws etc port my stock 261mtronic cylinder it's the slant fin 2nd gen. Has easily 1500hours on it. So idk if it's due for a bottom end job etc before doing a build? Maybe I should buy a new saw? And have that built? Anyhow that 261 is a monster. Great video's! I want to learn more about porting, squish, timing etc as I really don't know shit.
How much do you cut off your pistons for the 261cm? As in how much “pop up” do you give them? Just trying to get my numbers to have mine machined. Thank you again!!
I've ever heard not much about durability of the saw after getting such an improvement in performance, do they effectively last shorter than a "stock" one with maybe only a muffler mod to let the heat and exhaust come out? I mean if a "stock" could hypotetically run for 1600 hours in the hand of a worker, would a ported-like-this saw be able to reach that age? I'm just asking because u know sceptic friends about porting saws will always be saying that u could get em to run 8 inches more of bar but the piston, rings, bearings would last less than an eyeblink...
There is definitely a "give and take" to everything... the goal is to get the best performance possible without too much stress on the stock components... I machine the factory piston so that helps shave weight and less stress... porting/muffler mod will help flow and heat issues... upgrading the air filter is key... also what lot of people don't think of is that they are faster in the cut so they don't spend as much time doing the same amount of work as they would have when they were stock... learned right away they HAVE to cut like crazy after im done otherwise you will get a bad name and these guys would rather have an animal of a saw getting the job done way faster but only last a year (not saying they dont last wat longer)... rather than a saw that lasts 20 years but has minimal gains...
Just curious if you get any piston rocking at the bottom of the stroke? I’m not sure if it goes in the hole that far you know better than I do just figured I’d ask
Hey John any chance you could help me. How do you get your transfer numbers? I zeroed my saw found the exhaust and Intake numbers but am having trouble finding info on transfer numbers. Any help would be appreciated.. I'm not grinding yet just trying to learn to time saws for now
Its measured after TDC... so if your exhaust port opening is reading 100 degrees after TDC on your wheel... and you keep rolling the way the crank turns... your transfers will start to OPEN after the exhaust.... usually around 125 degrees after TDC... they usually open around 20 to 30 degrees after the exhaust opens... that number you get minus the number you get for the exhaust port opening is your blow down.. so using the numbers I just gave you 125 for the uppers and 100 for the exhaust.... your blow down would be 25... on the 261 the uppers stock are going to be around 124 to 128 ( i think) and the exhaust around 102 to 104... dont quote me on that... but that is how you get the numbers on your uppers... the you can start getting into measuring the staggering and angles on the uopers... measuring the primaries and secondaries etc... all interesting stuff if you have no life like me...
I bet there’s a guy with a stock 170 that will run circles around that modded 261. 😂. Ok look it’s a joke. I know John will get it but don’t the rest yall come at me all jacked up on HaterAde.
![[UNCUT] “บอสณวัฒน์” ลากไส้!! ใครหนุนหลัง "แม่ตั๊ก ป๋าเบียร์" I คนดังนั่งเคลียร์ I 30 ก.ย. 67](http://i.ytimg.com/vi/QlD7mU2KKRk/mqdefault.jpg)
I have 3 MS261's, one needed a jug and piston so I bought a Hyway cyl kit GX 261 online. I haven't attempted to rebuild it yet. I really want to do it myself, right now Im a sponge for knowledge John . I appreciate anything you share. I want it ROWDY so Im looking fwd to the next videos bro, Thank you!
Great video man. Anything on the 261. I live in Virginia and have 3 261s. All factory with muffler gut mod and regular carb models Cutting 90% hardwood clearing residential lots and smashed one with my excavator so need a crankcase and I'm building it back but figured I'd try some tricks and found you soon as I searched the trusty TH-cam and brother I gotta tell you, you know your shit. Eff the negative scallywags and keep these bad ass saw videos coming and your gonna be a legend when your done.
Hi John, I ported my MS 261 like you show in your video. Muffler mod, intake and exhaust timing. That saw really woke up!!! Thx from Norway:-)
Love your work! It’s nice to see someone who actually does quality port work/machining rather then people who just grind on there cylinders and call it “ported”. Thank you for the info that you share!
That is really impressive dude, my 260 has a mild port job and squish band was machined I still run a 20" .325 . So your saws with a 25" and 3/8 is a monster. Awesome work.
it would still cut better with a 325 chain, running 3/8 on theese small saws is just stupid. the 261c is a beast stock even.
Nice work. I started with an 031 and upgraded to a Stihl 045 Super with 87cc if I remember correctly. I carried that saw in the morning and a Jonsered in the afternoon. Always had two saws since there was never time to sharpen. To get hired you needed to show what you could do with the Husky 36” bar in the yard. If you survived about three days with that saw you got hired. We never made any modifications because you had to be sure the thing would run and keep running. Best Regards. I’m enjoying your videos.
Where’s the Wraper Handle for it
That is impressive! Your port work is something else. Nice to see someone taking pride in there work 👍👍
youre work and content speaks for itself ,the World is full of people who can find a problem with every solution, keep on doing what youre doing👍
That makes scenes how you did the skirts part of porting is airflow and that looks like it would really help out the bottom transfers similar to what I’ve seen guys do to the 372 thanks for showing us its appreciated bud keep it up
Love your videos, thanks for sharing your knowledge.
When i gatherd enough courage i wanna try some of that on my 261 mtronic
Just enough skirt for the piston and plenty flow for the fuel to the transfers. This is a great mod that definitely works. Nice work John
It definitely wakes them up... Haven't had a piston go sideways yet lol
I did the same thing on my first 362 build with the skirt off the cylinder. 4 years ago. Its still going strong. I think it does help. That’s a strong 261 for sure
Thanks man... these style cylinders can deliver some good power... terrible for flow stock tho... I don't even know how they perform decent at all honesty
@@johnscustomsaws yes it seems they were trying to compromise weight and size possibly and made a narrow chassis by separating the lower transfers? Just doesn’t make sense for flow at all why they did it
Dang it, that's the saw I really need bro. I sucks you showed it to me and its unattainable with any amount of money, not that I could even afford what its worth. My process is falling with 044, limbing with 250, bucking with 044. I'm working in beetle kill spruce, 12 to 18". My old back needs a light in between Stihl saw, 1 saw does all with 20 inch light bar. Need that air filter for 250, stock sucks. Trapper scotty, Alaska
Thanks for sharing. It’s crazy to see people make comments about topics they have no knowledge about.
Experience is everything and talk is cheap... Cutting those cylinders like that is standard, you seem to really know what you are doing from what I see of your builds 👍👍👍👍
I would not give one minute to the negative.
You're stuff is running🏃♂️ awesome keep it up!!
Great work as usual dude! I’d love to buy a bunch of your stickers! I’m a sucker for stickers There a really cool design 👌🏼
Well this is where one shithead ruined it for everyone... I used to send out stickers and never thought anything of it... until I got word that saws were being sold as "JCS ported" and the guy was getting MORE than retail... which I would think my sticker would devalue a saw... but apparently not lol... but now I dont send em out its pretty ridiculous...I have heard of other popular saw builders having the same issues... people will find a way to scam... obviously its up to the guy buying the saw to do his research but it still makes me look bad... need to get a different design so I have stickers specifically for ported saws...
@@johnscustomsaws man that’s a real shitter! I agree with you in having 2 different stickers, 1 that you put onto the saw after doing said port work etc, and another just for business TH-cam / Instagram page promotion etc that would be cool! Would love a sticker like that for my collection with me being in the UK, hopefully one day! Appreciate the reply dude 🤘🏼
Trick is to buy a new ported saw, and get the sticker
Hey John, can you do a video on MS-361 porting? Thanks. Awesome channel. TRUELY pro level work.
Nice build wit the screaming eagle Cool color scheme.
That 261 is a rippa!!! Super impressive!
I know you can dye the plastic but I wish there was a way to get something like red chrome or orange chrome, that would be dope
i wonder if you could use an orange chrome vinal heat wrap🤔
@@cync9591 that's a idea
Sure, it can be done. There are various spray products like silver nitrate, that can have a paint layer or tint. Even hydrographics applied over it. One example company doing it is Spectrachrome.
The fact that you understand the differences is all you need to know! Just wear your hearing protection when watching. LOL 😆
Impressive. Thank you for sharing.
Amazing work, as always! Jacob's 261 sounds great in his videos, I just wish he used it more!
I know you've mentioned you're not taking on any new work, especially a 261, but what would be a ballpark figure for a full port job on one?
Also, that Paul Bunyan festival in Ohio is in October. will you be attending that?
Ripsaw will do a brand new one for about the price of a new one
Hey! Love you're video, and your saws! Now, how do I get one of your saws?
Damn man that red looks clean on that second saw is that JCS Red? All my saws are JCS black now. My wife thinks I have a problem but I can stop dyeing saw plastics anytime I want. Lol Those 261 are beasts. Can't wait to see what's next.
Literally pro tips, cheers John 👍🏻 A quick question if you have time to answer it - when plugging the decomp on Stihls do you use any particular material or specific length bolt, or any adhesive like loctite/JB weld? I’ve found wildly varying info on forums from plausible to comical. You do this for a living so any of your zero bullshit info would be appreciated.
Have a good day man.
Al
I have never used anything on them.. I do use the actual decomp plugs tho.. they have a crush washer like a spark plug... ive literally NEVER had one leak or come loose so thats a new one to me man
I have a new 881 I want ported. Sounds like you have all the work you need though. Any suggestions? Thanks
👍 thanks can't wait to see 261 vids
Thank you I asked for a video on this build an you responded thank you
What's the best way to get one done by you? Beautiful build!
you have any intentions on working on the stihl 400c?
Yes...more please. Got smokin deal on a 261M that's had 10 minutes run time and now my old carbed one is looking at me sayin, "now that the new guy is here, let's try some shit...what could go wrong?"💀
First- this is a great video. Another great video, I should say.
Did you also gut the intake rubber intake manifold?
On the adjustable carb saws that they want as ridiculous as possible and have zero concern with fuel consumption yessir I get rid of anything in the way... they have a pretty small carb I even mill out the venturi
I did same thing to my 372 definitely feel a difference
Ahh don't worry about the haters man. I don't think you should spend too much of your energy on them. We have a fever, and the only prescription is more chainsaw.🤘
Thanks for posting informative content John. Any chance you’ve got pictures of the 261 CM cylinders that you do? I’m porting my 261cm and I don’t want to go to crazy. Just make it stronger. Thanks for any feedback in advance.
I hear you get way more power if you Grind right through the intake. That way it gets all the free flowing fresh air lol
Thanks for the short intro like them both but it just sucks waiting
Much respect man I would love to have u port my stihl ms200t 100% oem personly from me new bearings, seals and so on im no expert I fake it till I make it im just a tree guy from Connecticut if u are ever feeling foggy and wanna take on my little ol ms200t please let me know I would be honored to have work done from u 😊
Here is my name and company name im just a little guy L&M landscaping & tree removal have a good one man and truly enjoy all ur videos
That 261 sounds angry 😁
Seen in a form, Idea🤔, would a 034 cylinder fit on a 026 / 260?
Hi, may I ask where I can buy this beautiful blue cover? I'm looking for it on the ms 500i saw. thank you Petra
Can’t we bore out the 261’s? What is we put a 362 jug on it? Does it work that way?
What popup piston would you recommend for the ms261?
I like to try something different every time until I find something I’m satisfied with. I have found that no two saws are created equal from the factory either. I have the 395s kinda where I like them.
Hi John what about ignition timing where do run it on that saw? it sounds like it is way up there or i maybe wrong KEEP ON ROCKIN MAN
I literally never mess with stock timing... not saying it shouldn't be done or anything... I just dont mess with it
I have a 261CM, I'd like to get on the schedule if the numbers work.
Hey John thanks for all the info you share on your channel you definitely know your shit and not scared to try things I like that. I have questions have you ever tried modifying a 441 cylinder like you do with the 261's
I don't see what would be the issue with removing those "skirts" at the sides of the cylinder base besides having a larger crankcase volume, as far as i can remember most 2 stroke cylinders i have seen (with a few exceptions) only have one skirt at the intake side and one at the exhaust side and as i undertand they are meant to support the skirt of the piston when it is at BDC and avoid slapping, which i guess is the type of issue that would happen if they are completely removed, but the side skirts don't seem to have any major function
The piston slapping/support is what I hear is the "problem" with doing this... case volume definitely becomes a factor and the mtronic system has a hard time adjusting for it but I just give a few clicks to the "black screw" that we aren't supposed to touch and a different or modified butterfly valve and they will run... otherwise they hesitate bad under acceleration off idle
what is the black screw?😊
Proof is in the wood 💪🏁
Hay John i know you mentioned you didnt want any more work but it would be awesome to have a 261 built by you i have one brand new in the box ready to go if you reconsider its non Mtronic thanks and keep up the good work
Looks like a Basecut 👌
I would love to have you or Jack from hotsaws etc port my stock 261mtronic cylinder it's the slant fin 2nd gen. Has easily 1500hours on it. So idk if it's due for a bottom end job etc before doing a build? Maybe I should buy a new saw? And have that built?
Anyhow that 261 is a monster. Great video's! I want to learn more about porting, squish, timing etc as I really don't know shit.
This channel is bad ass
How much does one of these saws cost for to buy after you build it?
How much do you cut off your pistons for the 261cm? As in how much “pop up” do you give them? Just trying to get my numbers to have mine machined. Thank you again!!
I've ever heard not much about durability of the saw after getting such an improvement in performance, do they effectively last shorter than a "stock" one with maybe only a muffler mod to let the heat and exhaust come out? I mean if a "stock" could hypotetically run for 1600 hours in the hand of a worker, would a ported-like-this saw be able to reach that age? I'm just asking because u know sceptic friends about porting saws will always be saying that u could get em to run 8 inches more of bar but the piston, rings, bearings would last less than an eyeblink...
There is definitely a "give and take" to everything... the goal is to get the best performance possible without too much stress on the stock components... I machine the factory piston so that helps shave weight and less stress... porting/muffler mod will help flow and heat issues... upgrading the air filter is key... also what lot of people don't think of is that they are faster in the cut so they don't spend as much time doing the same amount of work as they would have when they were stock... learned right away they HAVE to cut like crazy after im done otherwise you will get a bad name and these guys would rather have an animal of a saw getting the job done way faster but only last a year (not saying they dont last wat longer)... rather than a saw that lasts 20 years but has minimal gains...
Thank you for this information
Does anyone know if you can simply take the base basket out on a stock 261 for a gain in compression? Is the squish too tight to accommodate this?
What is your pricing foe porting saws?
Do you ever port any Husqvarna saws?
Curious as to what your theory is on why this works? Also what's the advantage to gutting the strato ports?
do u break in thoose saws b4 u port them?
Just curious if you get any piston rocking at the bottom of the stroke? I’m not sure if it goes in the hole that far you know better than I do just figured I’d ask
That saw rips, dude.
Hey John any chance you could help me. How do you get your transfer numbers? I zeroed my saw found the exhaust and Intake numbers but am having trouble finding info on transfer numbers. Any help would be appreciated.. I'm not grinding yet just trying to learn to time saws for now
Its measured after TDC... so if your exhaust port opening is reading 100 degrees after TDC on your wheel... and you keep rolling the way the crank turns... your transfers will start to OPEN after the exhaust.... usually around 125 degrees after TDC... they usually open around 20 to 30 degrees after the exhaust opens... that number you get minus the number you get for the exhaust port opening is your blow down.. so using the numbers I just gave you 125 for the uppers and 100 for the exhaust.... your blow down would be 25... on the 261 the uppers stock are going to be around 124 to 128 ( i think) and the exhaust around 102 to 104... dont quote me on that... but that is how you get the numbers on your uppers... the you can start getting into measuring the staggering and angles on the uopers... measuring the primaries and secondaries etc... all interesting stuff if you have no life like me...
Hey dude. Did the saw come with a manual carb. Or did you have to swap it. Thanks.
Have you done any husky 550's mk2?
It's actually called enlinement flange
Full send 💪🏻
Could I get similar results out of a 034 if I had it ported and worked?
I bet there’s a guy with a stock 170 that will run circles around that modded 261. 😂. Ok look it’s a joke. I know John will get it but don’t the rest yall come at me all jacked up on HaterAde.
Lol... im sure there are guys with dull hand-saws that will run circles around CR500 Bike saws according to these delusional weirdos
hi, whats about intake port dimlping like cars.
How can i contact you about a saw build?
Do you husky work too ... Or is that a silly question?
I have a new but blown up 261 will you build it for me please I can pay you whatever you want
Killer interesting approach on 2 saw s moronic and reg cab as they say more than one way to skin a cat👍😎👍👍
Intake is where it happens. Same as a dirt bike.
Enough of the sour grapes just the facts
Hello world like this command prompt 👍💪🙏🇲🇨♥️
Whats a port job cost for a 261?
Jon please port my 261.🙏
Two videos today! Booyah!
Make a video on a ms362c.
Wicked!!!
Pls send one to dyno joe
🤦♂️
Jack shirts
I have a stock MS170 that’ll run rings around that 261 😉
I’m joking before anyone pipes up
Nobody ever got anywhere by listening to people that say something can’t be done.
Maybe just buy the appropriate saw in the first place. It’s a saw not a race bike.
Holy hell the democrats are trying to control cylinder head porting as well. Crap
Don’t take criticism from people you would not ask advice from.
That's a bad 261
1st
Cool, but sounds you're young and alotta talk and not backing it up with anything mechanical I can relate to