Stihl chainsaw carb diaphragms, 026, MS260

Changing the carb diaphragms on my old Stihl 026, bought in 1998.
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All help is appreciated, cheers

[@sksx9269]

This kind of video is what brought me here in the first place. Thanks Andy

[@TheInfoworks]

Sam, grand, I just video what happens on a day to day, no searching for items just to make videos, cheers

[@rickbaier1080]

Thank Andy from Paso Robles, California, USA. This video was a big help. After purchasing the saw about 15 years ago, this is the first time I had it apart this far. The 026 has become a rare saw, and parts are becoming scarce too. Thank you again. , Rick

[@TheInfoworks]

Hi, they are a reliable little saw, but enough grunt, bought mine (new) in 1998 and it's done a lot of work, cheers

[@johnclarke6647]

I love my ms 260 Pro and my 026 Pro. Their 44.7mm jugs gives them lots of power. They are basically a 50 cc saw. I am restoring an 024 AVS, now. It was made 1984-89, but is a pro saw, a little smaller than the 026 but also lighter.

[@Woodyjims-shack]

Have an old Stihl 034AV going strong which I bought in the eighties. My favourite saw. Wish I could say the same for my other Stihl saw a MS241 which is a bag of spanners compared to the old 034 Hundreds of euro spent on repairs and still running badly.

[@TheInfoworks]

Jim, yes the older ones are more robust, cheers

[@WalkingTrashcan]

I rebuild my Husquvarna carb a number of years ago and it was still acting up. After some research i learned that beneath some little coin shaped metal caps are some very fine mesh screens (which my kit had replacements for) after watching a video i gathered the confidence to pull a cap off the carb and sure enough it was clogged with sawdust and other grit. Did your carb kit come with screens and caps? If so Why didnt you replace them too? I apologize in advance if you addressed it in the video. I skipped past some of the teardown.

[@TheInfoworks]

Eric, no need as I filter the fuel before it gets to the tank. As I know this saw from new and I realised the carb was not pumping correctly this spring, cheers

[@pollywollydo]

Took me a looong time to realise that an intact but saggy diaphragm on a B&S engine was faulty. Only stopped when the tank was almost down to half full. 🤔. Saggy diaphragms don’t vibrate😡. Keep up the good work 🙂

[@TheInfoworks]

Cheers

[@g7mks383]

Thanks Andy always interesting and a methodical approach usually gets there in the end.

[@TheInfoworks]

Exactly, know how to do this, but it's been a while, cheers

[@patmitch272]

Love this, the leaning from you is helping me massively cheers andy

[@TheInfoworks]

Thank you Pat, grand.

[@johnclarke6647]

Andy, I finally bought a ms 260 to go along with the 026 that I restored several years ago. The 026 became an outstanding saw but I wanted a match to go along with my 025 and ms 250. I know it will need carb and fuel line work - they always do. It will probably need clutch and oil pump work, too. Will just have to wait to see on that one. I am going to put a 20” Stihl bar and chain on it, because I want a light weight 20” saw. It has a 16” bar and chain on it now, probably .325 pitch, so I will replace the sprocket, too. I will update it to MS 260 Pro specs, as I did the 026. I left the 18 bar on the 026. It really is a 19 inch bar but I want a 20” saw, 3/8 pitch. The replacement kit is probably a Walbro K20-WAT.

[@TheInfoworks]

John, I use the shortest bar I can get away with, commonly a 13 inch, safer and less cutters to sharpen, cheers

[@johnclarke6647]

@@TheInfoworks I have a lot of 16 inch bars, enough to do what I need with them. I have a MS 170, 171, 180, 181 and 241. I also have an 1973 Homelite XL-12 with a 16 inch bar. I have a bunch of 18” saws - my 1999 026 Pro, my 1995 025 and two MS 250’s. Most of my bigger saws are decked out with 20 inch bars most of the time but they get heavy after an hour of so of work. I don’t like toting my MS 360, 440, 660 or 372 around limbing trees. I also have a MAC PM610 with a20 inch bar and I forgot my Poulan 1985 S25DA top handle saw with a 16 inch bar. A light 20 inch saw fits the bill or so it seems. It will be a lot lighter than most of my 20#+ 20 inch saws. I have an Oregon Electric grinder to sharpen them with, too. That makes sharpening them pretty easy.