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Author Topic: Official MS261CM vs 550XP test  (Read 51191 times)

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Offline HolmenTree

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Re: Official MS261CM vs 550XP test
« Reply #560 on: October 04, 2018, 04:06:45 PM »
Put the muffler modded MS261CM to work this morning in one big hairy white spruce.

Its older sibling the 1997 066 Magnum-28" did the chores of felling the tree plus bucking a few oversize rounds off.

The snappy 261 was a pleasure delimbing this monstrosity of a tree.
Each limb was like a small tree.
 

  
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Offline realzed

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Re: Official MS261CM vs 550XP test
« Reply #561 on: October 04, 2018, 09:52:49 PM »
It's truly a shame that someone would or could die from such a relatively common injury.. I realize a compound fracture can lead to blood loss - but to take so long for whatever reason to finally get him out is a real cry'n shame to say the least..
As shown during 9/11 many true first responders often risk all and in fact give their lives on the pretext that they can save someone else's - and to not strive to that goal is bewildering and somewhat troubling. 
Maybe the Teamsters have a point - but then again I don't know all of the details!
Regardless, glad to hear your bud Chris is doing well - considering he went through it all as well - he must have a lot of questions in his own mind that need to be answered..

Offline realzed

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Re: Official MS261CM vs 550XP test
« Reply #562 on: October 27, 2018, 01:02:00 AM »
In a somewhat different topic - but certainly still newer 261CM model related, Willard.. since it is now cooling down considerably around here  (probably nowhere near as much so as 'North of 55') I am trying to get my huge stack of maple logs bucked, stacked, and covered up before the real cold weather lands in my lap probably in a couple of weeks.
What do you consider is the point where it is best to be flipping over the cold weather shutter on any newer 261 (or older 026 like my son's for that matter) to keep them running better or creating a situation where the least amount of c/p wear is caused by cooler temperatures?
I felt last weekend when it was around 0 - 3 degrees C, that my saw ran great with the shutter still closed, but I thought I read that Stihl recommends that would probably be at the point where the shutter should be flipped to add warm air to the carb area.
I know that at -10 or -20 or beyond there certainly isn't any doubt about it being appropriate and worthy - but it seems that if done with it at or just below '0' temperatures we are getting into now, it could actually make the saw run too hot once up and running for a while - yet to not do so almost means you are running it with a cylinder and piston that could benefit from some extra heat added especially if you shut it down occasionally to pile wood or take breaks and allow it to cool off considerably!
On another note - after 10 to 12 tanks through the saw now finally, I can actually really feel the power - especially the torque as it is finally getting broken in and making quite a noticeable difference.
Previously with the 20" bar completely buried in the hard maple it sometimes needed to be 'babied' a bit but now it never even flinches and actually seems to run better the heavier the load is on it.  
Amazing how much some break-in time makes in the performance!  I was skeptical hearing this often was the case - but certainly no more after experiencing it first hand!
I'm like you, tempted to pull out the screen and actually see if I can get even more out of it - not that I need it really..
Going to have to try and cut logs all weekend and into next week to somewhat make up for lost time due to the nice Summer and early Fall weather that made it too warm here to cut much (at least that was my excuse!) if the rain/snow holds off, but I don't want the saw to run too warm - yet don't want to make it run too cold either..
Next thing I guess will be temperature controlled shutters that will take such guesswork out..
Your experience and impressions as always, are much appreciated!
Thx - Randy  

Offline HolmenTree

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Re: Official MS261CM vs 550XP test
« Reply #563 on: October 27, 2018, 12:33:55 PM »
Randy,
Between your son's 026 and your 261 snow is the bigger hazard then is cold.
With the air box partition shutter open more cutting debris and moisture from snow will get onto the air filter. Enough moisture can cause damage to the piston. This would usually apply to a faller felling trees near ground level when there is snow cover, or clumps of snow falling out of evergreen trees onto the running saw.

There is a rewind housing grille winter cover available from your dealer (page 26 in owners manual) to help restrict snow intake when the saw is set down in the snow when idling plus restrict cold air intake.
Manual recommends -10C and colder for the cover but their recommendation to open shutter below+20C I would not recommend for the 026. On both saws the air filter will get dirtier faster with the shutter open.

The 026 does have a winter preheater kit rubber flanged airbox cover to seal the top covers gap and a rewind grille cover. Which I highly recommend for Canadian winter operation.

Similar to the air injection intake on the Husqvarnas, the 261 has this flywheel air cleaning centrifugal system also.
Works great separating dirt from clean air for the airbox intake but under the right colder conditions it doesn't separate lighter snow as well. Some of the Husqvarna models have a piece in their winter kit that blocks off the air injection.

Best thing Stihl did for the colder climate market is making the top cover one piece from the older 026 two piece era.

Muffler mods...more power will be expected and the saw will run cooler in warm weather. But get used to the extra noise and wait a bit longer for the saw to warm up in cold weather.
I don't see much difference in fuel economy as the MTronic seems to be doing a good job regulating its operation.

Here's some pics of snow intake damage to the piston.
First pic also explains alcohol or ether in gas can cause this damage too.


 

 




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Offline HolmenTree

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Re: Official MS261CM vs 550XP test
« Reply #564 on: October 28, 2018, 07:51:41 AM »
But there definitely is a miss print in the MS 261 C-M owner's manual.

They say to set the shutter for pre heating the carburetor below +10C(50F), then in the next paragraph it says to return the shutter to summer position at temperatures above +20C (68F)

20C/68F is a nice warm summer. day. ???


 

 
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Offline realzed

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Re: Official MS261CM vs 550XP test
« Reply #565 on: October 28, 2018, 09:23:21 AM »
That is what I recalled reading and found pretty odd to say the least Willard.. If that was truly the case we hardly ever would find days to use our saws around here in the 'Summer' setting as +20 degree highs constitute only a small number of our Summer days here some years!
Maybe Stihl needs to drop the following '0' off of their printed numbers or something?!  :)
Woke up to about 2" of wet new snow this morning - so I'd better get cracking open shutter or otherwise!
Lots of places all around us here have already experienced first Fall snow and we've been fortunate to have avoided the pleasure until now - guess we've been pretty lucky considering..
It gets a lot harder every year to see and have to deal with this crap - I need to win some money in sufficient amount to move away for 6 or more months!
I've lived, played, worked, and otherwise enjoyed the 'white stuff' for decades - but the novelty is long gone now certainly!

Offline HolmenTree

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Re: Official MS261CM vs 550XP test
« Reply #566 on: October 28, 2018, 04:58:08 PM »
My retired inlaws from Winnipeg hide away every January, February and March in a little fishing village a couple hours north of Puerta Vallerta, Mexico.  Along with 20 other retired couples from Flin Flon.

They got it down to a science and say they can live there alot cheaper then at home. Some of the couples buy Mexican cars and register insure  them with Mexican license plates. Store the vehicles there when they go back home.

My wife and I along with our kids will spend a couple weeks with them every other year. Sure is a nice way to get a break from the snow and cold.
Making a living with a saw since age 16.

Offline HolmenTree

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Re: Official MS261CM vs 550XP test
« Reply #567 on: October 28, 2018, 05:02:19 PM »
And just to keep this thread current here's a pic of a local Mexican cutting firewood for his beach front restaurant grille.


 

 
Making a living with a saw since age 16.

Offline DelawhereJoe

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Re: Official MS261CM vs 550XP test
« Reply #568 on: October 28, 2018, 05:55:13 PM »
There's something fishy about that ms360.....
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Offline realzed

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Re: Official MS261CM vs 550XP test
« Reply #569 on: October 28, 2018, 06:57:43 PM »
After the latest storm a couple of weeks back - do your relatives even have a place to return to this Winter season?  I thought that was exactly where the storm was projected to hit hardest.
And the area around PV has been getting pretty sketchy over the past few years as the drug trade moves ever closer - A retire cop-friend says they and their friends basically stay within the controlled compound they rent in now every year except for the occasional trip out for supplies every few days and I figure he would know better than your average tourist..
My wife and I used to go away for a couple of weeks to warmer places to try and take a break from each Winter and attempt to try and make at least some of the time more fun - but after Mexico & Dominican Republic (both more than a few times each), Costa Rica, Florida, El Salvador, and others - we have sort of given it up as the travelling is often just not worth all of the hassles and bother as having older family members left behind without proper and timely care when we do go, is a getting to be an even bigger consideration now..
Sure makes for a long Winter from this time of year clear through to often mid April or even early May in some years though!

Offline HolmenTree

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Re: Official MS261CM vs 550XP test
« Reply #570 on: October 28, 2018, 11:08:09 PM »
Too much hassle and expense just to go for 2 weeks, but we're still working full salary and got kids to raise.
Retired and 3 months is short. They are in Ricon De Guibitios which is a sheltered large bay area with 2 large islands protecting the bay. Little damage there we heard.
They stay in a Mexican family run hotel and no drug problems there then there is in larger centers.
For many holidays we have walked all through the town and into the next at all hours of the night and never had a problem. Very safe there, the locals make sure of that for their tourist friends.....
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Offline HolmenTree

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Re: Official MS261CM vs 550XP test
« Reply #571 on: October 31, 2018, 09:23:44 AM »
I heard from some sources lately that the newest Husqvarna 550XP models have a lot of new improvements.

Now I don't want to go out and buy one of these to test :laugh: , but was hoping anyone that are using these newest 550XP's could share some of their experiences.
Making a living with a saw since age 16.

Offline John Mc

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Re: Official MS261CM vs 550XP test
« Reply #572 on: October 31, 2018, 11:47:11 AM »
what are the improvements? Are any of them easily visible so you can tell whether you are holding a "new" one?
If the only tool you have is a hammer, you tend to see every problem as a nail.   - Abraham Maslow

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Re: Official MS261CM vs 550XP test
« Reply #573 on: November 13, 2018, 07:58:08 AM »
I heard from some sources lately that the newest Husqvarna 550XP models have a lot of new improvements.

Now I don't want to go out and buy one of these to test :laugh: , but was hoping anyone that are using these newest 550XP's could share some of their experiences.
HolmenTree - did you ever hear from anyone who had tried the newer 550XP?  Any word on what the changes were made to the new ones?
If the only tool you have is a hammer, you tend to see every problem as a nail.   - Abraham Maslow

Offline HolmenTree

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Re: Official MS261CM vs 550XP test
« Reply #574 on: November 13, 2018, 08:50:00 AM »
John, I heard about the upgraded 550XP from a MIA member here CR888.
I didn't ask him any questions on the site he posted on, hopefully Spike 60 will have some information for us.

Try tagging Spike 60. I would but don't know how to do it. 
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Re: Official MS261CM vs 550XP test
« Reply #575 on: November 13, 2018, 10:49:39 AM »
@Spike60 - any info on the changes to the 550XP?

( @HolmenTree - to tag someone, just put @ in front of their username. For some reason, it does not always work for me, ut when it is working properly, as I type @ and start to type a username, it will show me a list of usernames that match what I've typed so far)
If the only tool you have is a hammer, you tend to see every problem as a nail.   - Abraham Maslow

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Re: Official MS261CM vs 550XP test
« Reply #576 on: November 13, 2018, 11:12:17 AM »
Thanks for the info, I figured the @ had something to do with it.  :laugh:
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Offline Spike60

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Re: Official MS261CM vs 550XP test
« Reply #577 on: November 13, 2018, 11:15:15 AM »
550xp "Mark II" is supposed be out sometime next year. There are some pics of the updated 545 over on OPE.

Saws looks like a mini 572 to me. Changes are significant, including a new crankcase. Most of what they have done with the 572 is being applied to these saws. Heat barrier, air filter, muffler, auto-tune 3. Think it gains a half pound, but power is supposed to be up a little as well.

There are no IPL's, prices, dates or anything posted anywhere on the dealer site, so there are obviously no answers to any of the usual questions we have. As we've seen with most saws, ya can't put much faith in dates to begin with.

Husqvarna-Jonsered
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Offline HolmenTree

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Re: Official MS261CM vs 550XP test
« Reply #578 on: November 13, 2018, 12:05:43 PM »
Thanks for the update Bob.
As I mentioned earlier about member CR888 based in Australia. I believe he has been up close on the new 562XP, as I'm not sure if it was a prototype or is already for sale there.
Guys in Australia are so far ahead of anyone when it comes to chainsaws. :D
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Offline Spike60

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Re: Official MS261CM vs 550XP test
« Reply #579 on: November 13, 2018, 12:50:43 PM »
562's are supposed to be getting the same enhancements at some point. Not clear yet if it will be running changes or it will also get the "Mark II" model designation, which is my guess.

The degree of changes to the 550 chassis is good in the context of let's do it right with no shortcuts. But the extent of the changes mean that they are unlikey to retro fit older saws.
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