Chainsaw Repair
Husqvarna - Stihl - Poulan - Jonsered - Dolmar chainsaws and more => Stihl => Topic started by: Cut4fun . on December 15, 2025, 07:31:26 am
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Got a call from dad today.
Good feedback on the MS250C easy start. He was able to start it on his own and use it. 86 now with bad shoulder, bad hand and battled cancer few years ago.
He said took 3 pulls on cold to pop and then move to high idle and 2 more.
Said it starts easier to him then the cold start on the MS180 easy start I did for him years ago too. It prob getting time for a carb kit in it again with his corn fuel he uses there.
Least it was good news this time.
😃
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Easy start 250 worked out for dad and his bad shoulder.
Least now he has a hair bigger saw then the easy start 180 I gave him years back.
3 pulls cold start without using purge bulb anytime been setting for weeks on end. Then fast idle usually 1 more running. 2 at most.
If only set 24hrs cold start 1 pull without using purge. Then 1 to start.
IMO no reason for a purge but whatever. Lot of saws doing it.
Left with him. 😎👍
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Just in case some day 1123 190 0700
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Guy helped me compare a Farmertec G255E easy start to a Stihl 250C easy start.
The farmertec 255/250 version of easy start, works like the 180 version and also looks like it too.
Comparing because the cost for oem parts for this easy start stuff is ridiculous.
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I ended up running 3x5 echo on everything. Way better then that crap I took out.
But did notice the 2 for purge were close to being loose but worked.
If I had the smaller I would have used it.But easy enough to change those 2 purge ones.
Stihl oem line sizes for such.
0000 930 2802 00009302802
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Little fine tuning with the new muffler kit.
I started it without using purge bulb today. Couple pulls all it took still.
1 pull starts after warm.
Calling it good ready for the trip to dads to be a back up 250 easy start to his 180 easy start.
He was wanting a saw to use 18” on too.
So this saw if he can start it covers all bases.
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Just need a good day to test and check tune. Before calling it good to take to dad someday.
Being the Farmertec muffler is more open like 025 muffler. Whole square area open and deeper outer slits exiting.
I also used the gasket between the heat shield and muffler.
None was there on 250 set up.
So want to make sure where is at since last session with the 250 muffler.
Also some heat tape layers under and side of plastics where old muffler was ran loose and melted up some.
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Black farmertec muffler like I used like these oem 025 ones. Deeper slits and and open square. 2 oem 025 mufflers shown.
This is the 025 above all put into a new 250 case. The plastic case was worn out where clamshell mounts.
Other is locals I work on.
So silver one without seeing inside but going by how made and slits more like 250 muffler.
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Stihl MS250c
Ordered the Farmertec muffler kit for the 250c I am working on to give dad.
Way bigger exit hole inside. All the way across in there. That’s a plus.
Came from their USA warehouse in NJ in 3-4 days this week.
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Learned about this AV chain catcher for stihl. For when the one is off the plastic clutch covers on these style saws.
1123 656 7700 11236567700
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Just a warning on this. Every time I have replaced that plug it has been missing.
This one was still in it but had melted and started leaking. I tried picking at it etc to get it out. That never worked.
I ended up drilling a small hole in it to try and get out.
Don’t push to hard though. It will go downward into it. :o :P
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Just to show guys that ask. Here is that hole inside that you did not want to cover sticking the grub in use red or orange loctite.
Grub installed with red loctite or orange.
It’s that simple for guys always asking here.
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Before and after. Just using that wd40 degreaser that is safe for plastics and aluminum. Doesn’t turn aluminum black soaking cylinders etc either.
Spray on let set, spray off. But I add in a bristle brush then wipe down.
I ended up turning it down to a safe 12.8-13 tune. I think I seen in manual 14 was max. What it was at today when checking.
So yes H side Zama working great.
Good enough for dad. Because I know it won’t ever get this clean again.
Only things left to fix is the oil tank plug melted some by muffler and leaks now and new muffler I’m waiting on. Had to drill it to get it out. Never had to remove one before. Usually just missing.
Might put some heat tape down there on side and muffler area too.
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Found what I was missing on IPL. #12 90413190600
Pan head screw DIN84-M4x5-8.8
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Also just to show. The 250c manual does show the walbro and zama fully adjustable carbs too.
Not just the zama non H ones shown in IPL.
Lower is what this saw has and what others in my group has seen in 250c they worked on recently.
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I left all those springs out of the 2 purge lines. I can see why they were in it though. The black oem echo lines seem to work without it.
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Just so you know if you come across one with H L and I on zama. Their 250c IPL shows it. 24 L, 25 H and 23 I
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This Zama on this easy start 250c stihl seems like it maybe fully adjustable. Is that what I am seeing?
Weird carb I am not used to seeing so wondering.
Corey confirmed in my CR group he just had a zama on a 250c in too that was fully adjustable.
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New muffler ordered.
Muffler was getting loose and caused some melt on the plastic. But nothing through as far as I can see.
Piston is sweet
If get time might pull everything in back to see what carb of the 3 it has.
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Line routing for purge
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Stihl 250C IPL https://www.diyspareparts.com/parts/stihl/diagrams/ms250-c/
Looking at IPL 3 carbs showed and 1 WT-215 does have H L. Other 2 do not. So now I need to know if I have a C1Q one or not.
Stihl HO oil pump for 025 250. 1123 640 3290 11236403290 - Never seen a reason for one on these.
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I think that stihl 250c easy start I traded for will clean up nicely.
Hopefully be easy to start for dad too. Little harder then the easy start 180 I gave him years back.
Going to replace those purge bulb lines with echo oem ones.
New purge bulb and Denso plug put in to check things. Start up in couple pulls. 😎👍
Might get him a new muffler set too.
Question on carb. I didn’t remove stuff to look.
But air filter cover shows H L and I.
Going through L hole on handle. I don’t see anyplace going through top cover for a L on carb area.
Might have to pull it all or just black rubber to tell.
Any info?
https://youtube.com/shorts/HbmKsdrbAtQ?si=SYmuHKYSMDLtjr53
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Saved info from one I worked on in 2012 = It pulls over very easily out, it stops then it rotates to start it. Like I was winding something up. I will be here to about 5pm if you want to check it out.
Has H L LA carb which is good but H was against stop and turning 14.8K :o :o Got out the dremel and fixed that, now turning 12.5K.
I can see the easy start being useful for some people. I think a think a 3 year old could pull them since they are so easy IMO.
Jim you can come check it out if you like.
Jim = The "Easy Start" on the Stihl 250C that cut4fun had at his house this afternoon was unbelievably easy to pull. Not being accustomed to it and owning a regular 025, I pulled the cord all the way out and let the handle go back into the starter. Then the engine turned over and started as the Stihl 250C was stihl warm from being run earlier. I shut it off and restarted it several times this way.
There is no compression release or Elastostart on this one for it is not needed.
It would take a mighty stout woman to start my regular 025 for it has very strong compression and no compression release. If it is cold, I have to start it on the ground.
I have a Dolmar 5105 that is supposed to be "Easy Start" and it has a wrap spring between the starter pulley and the crankshaft but it doesn't work as easy as the one on the /Stihl 250 that I used today.
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Traded the echo 3510 for another easy start saw. Dad cant get the spring assist saws started by other makers.
His 180 easy start is so much easier to start. The spring assist saws stop on him mid pull with bad shoulder.
So took this easy start stihl 250 with the tool less clutch cover too. Dad likes that tool less cover on his 180. I'm not a fan of that part.
Hopefully they both get where going with this time of year. Traded with a guy in TX I know in my group.